The Castle Directory
Discover and explore historic castles across the British Isles through our comprehensive guide to Britain's architectural heritage.
Found 1439 castles
Dumfries and Galloway
Abbot's Tower
Tower house
West Lothian
Abercorn Castle
Unknown
Aberdeen
Aberdeen Castle
Unknown
Fife
Aberdour Castle
Tower house with later extensions
Wales
Aberedw Castle
Ruins
Wales
Abergavenny Castle
Aberdeenshire
Abergeldie Castle
Tower house
Highland
Aberscross Castle
Wales
Aberystwyth Castle
Argyll and Bute
Achallader Castle
Tower house
Highland
Achnacarry Castle
Highland
Ackergill Tower
England
Acton Burnell Castle
Fortified manor house
England
Affeton Castle
Fortified manor house
Angus
Affleck Castle
L-plan tower house
Moray
Aikenway Castle
East Ayrshire
Aiket Castle
Tower house
North Ayrshire
Ailsa Craig Castle
Tower
Fife
Airdit House
Fife
Airdre Castle
Angus
Airlie Castle
Country house
Falkirk (council area)
Airth Castle
Historic house
Stirling (council area)
Airthrey Castle
Baronial house
Fife
Aithernie Castle
England
Alberbury Castle
Castle
Angus
Aldbar Castle
England
Allington Castle
Fortified house
Clackmannanshire
Alloa Tower
Tower house
Falkirk (council area)
Almond Castle
Tower house
England
Alnham Vicars Pele
Pele tower
England
Alnwick Castle
Keep and bailey
Northern Ireland
Altinaghree Castle
England
Alton Castle
Castle
England
Amberley Castle
Castle
the Outer Hebrides
Amhuinnsuidhe Castle
Historic house
Dumfries and Galloway
Amisfield Tower also known as Hempisfield Tower
Tower house
Dumfries and Galloway
Annan Castle
Northern Ireland
Antrim Castle or Massereene Castle
England
Appleby Castle
Keep and bailey
Perth and Kinross
Ardblair Castle
L-plan castle (with added wing)
Argyll and Bute
Ardencaple Castle
Angus
Ardestie Castle
Northern Ireland
Ardglass Castle
Inverclyde
Ardgowan Castle
Tower house
Fife
Ardross Castle, Fife
North Ayrshire
Ardrossan Castle
South Ayrshire
Ardstinchar Castle
Highland
Ardtornish Castle
the Outer Hebrides
Ardvourlie Castle
Historic house
Highland
Ardvreck Castle
Highland
Armadale Castle
England
Armathwaite Castle
Tower house
Perth and Kinross
Arnot Tower
England
Arnside Tower
Tower house
Argyll and Bute
Aros Castle
England
Arundel Castle
Keep and bailey
Argyll and Bute
Asgog Castle
Tower house (square keep)
England
Ashby de la Zouch Castle
Keep
Perth and Kinross
Ashintully Castle
Fortified tower house
England
Ashton Hall
Tower house
England
Askerton Castle
Castle
Moray
Asliesk Castle
L-plan Tower house
England
Astley Castle
Fortified manor house
England
Astwell Castle
Fortified manor house
Northern Ireland
Athlone Castle
South Ayrshire
Auchans Castle
Tower House
Dumfries and Galloway
Auchen Castle
Courtyard castle
Renfrewshire
Auchenbathie Tower
Tower
Argyll and Bute
Auchenbreck Castle
East Ayrshire
Auchencloigh Castle
Tower House
North Ayrshire
Auchenharvie Castle
Aberdeenshire
Auchenhove Castle
Dumfries and Galloway
Auchenrivock Tower
L-plan tower house
Dumfries and Galloway
Auchenskeoch Castle
Z-plan tower house
Moray
Auchindoun Castle
Angus
Auchmull Castle
Dumfries and Galloway
Auchness Castle
Angus
Auchterhouse Castle
Angus
Auchtermeggities Castle
England
Auckland Castle
Keep and bailey
Historic castle in County Durham
Northern Ireland
Audley's Castle
Northern Ireland
Augher Castle
East Lothian
Auldhame Castle
tower house
England
Aydon Castle
Fortified manor house
England
Ayton Castle
Castle
Fife
Ayton Castle, Fife
West Lothian
Baads Castle
Unknown
England
Baconsthorpe Castle
Fortified manor house
Northern Ireland
Bagenal's Castle
Angus
Baikie Castle
Angus
Balcraig Castle
Dumfries and Galloway
Baldoon Castle
Tower house
Orkney
Balfour Castle
Historic house
Fife
Balgonie Castle
Perth and Kinross
Balhousie Castle
Angus
Balintore Castle
Sporting Lodge
East Lothian
Ballencrieff Castle
tower house
Stirling (council area)
Ballikinrain Castle
Baronial house
Fife
Ballinbreich Castle
Moray
Ballindalloch Castle
Historic House
Northern Ireland
Ballinlough Castle
Angus
Ballinshoe Tower
West Dunbartonshire
Balloch Castle
Castellated house
Highland
Ballone Castle
Z-plan tower house
Angus
Ballumbie Castle
Courtyard castle
Northern Ireland
Ballycastle Castle
Northern Ireland
Ballygally Castle
Northern Ireland
Ballylough Castle
Northern Ireland
Ballyloughan Castle
Northern Ireland
Ballymoon Castle
Dumfries and Galloway
Balmangan Tower
Oblong plan tower house
Perth and Kinross
Balmanno Castle
Aberdeenshire
Balmoral Castle
Baronial house
Highland
Balnagown Castle
Aberdeenshire
Balquhain Castle
Tower house
Highland
Balquholly Castle
South Ayrshire
Baltersan Castle
Perth and Kinross
Balthayock Castle
Perth and Kinross
Balvaird Castle
Moray
Balvenie Castle
Fife
Balwearie Castle
England
Bamburgh Castle
Keep and bailey
England
Bampton Castle
Quadrangular castle
Aberdeenshire
Banff Castle
Unknown
Northern Ireland
Bangor Castle
Angus
Bannatyne House
England
Banwell Castle
Neo-romantic castle
Argyll and Bute
Barcaldine Castle
Tower house
Dumfries and Galloway
Barclosh Castle
Oblong plan tower house
England
Barden Tower
Castle
East Dunbartonshire
Bardowie Castle
Tower house
Dumfries and Galloway
Barholm Castle
Tower house
Dumfries and Galloway
Barjarg Tower
L-plan tower house
England
Barmoor Castle
Tower house
England
Barnard Castle
Keep and bailey
Historic castle in County Durham
Edinburgh
Barnbougle Castle
Tower house
East Lothian
Barnes Castle
uncompleted castle
South Ayrshire
Barnweill Castle
England
Barnwell Castle
Rectangular castle
Angus
Barnyards Castle
Renfrewshire
Barr Castle
Tower
Wales
Barry Castle
Dumfries and Galloway
Barscobe Castle
L-plan tower house
West Lothian
Bathgate Castle
Motte
Edinburgh
Bavelaw Castle
Fortified house
Highland
Beaufort Castle
England
Beaufront Castle
Neo-romantic castle
Wales
Beaumaris Castle
England
Beckington Castle
North Lanarkshire
Bedlay Castle
Tower house
England
Beeston Castle
Enclosure castle
Historic castle in Cheshire
England
Beetham Hall
Fortified manor house
Northern Ireland
Belfast Castle
Northern Ireland
Bellaghy Castle
Northern Ireland
Belle Isle Castle
England
Bellister Castle
Castle
Renfrewshire
Belltrees Peel
England
Belsay Castle
Tower house
England
Belvoir Castle
Neo-romantic castle
Northern Ireland
Benburb Castle
Aberdeen
Benholm's Lodging
Unknown
Wales
Benton Castle
England
Berkeley Castle
Keep and bailey
England
Berkhamsted Castle
Motte and bailey
England
Berry Pomeroy Castle
Enclosure castle
England
Berwick Castle
Castle
Wales
Betws Newydd
England
Beverstone Castle
Pentagonal castle
England
Bewcastle Castle
Courtyard castle
England
Bewley Castle
Fortified manor house
England
Bickleigh Castle
Fortified manor house
South Lanarkshire
Biggar Castle
Motte and bailey
the Scottish Borders
Billie Castle
Courtyard castle
Aberdeenshire
Birse Castle
Baronial house
Glasgow
Bishop's Castle, Glasgow
Orkney
Bishop's Palace
Tower house
Wales
Bishop's Palace, Llandaff
the Isle of Man
Bishopscourt
Fortified manor house
England
Bitchfield Castle
Pele tower
East Lothian
Black Castle
Perth and Kinross
Black Castle of Moulin
Angus
Black Jack's Castle
Perth and Kinross
Blackcraig Castle
Tower house
Dumfries and Galloway
Blackethouse Tower
Oblong plan tower house
Renfrewshire
Blackhall Manor
Dumfries and Galloway
Blacklaw Tower
Oblong plan tower house
Falkirk (council area)
Blackness Castle
Angus
Blackness Manor House
Wales
Blaenllyfni Castle
Perth and Kinross
Blair Castle
Moray
Blairfindy Castle
South Ayrshire
Blairquhan Castle
Historic house
England
Blencow Hall
Fortified house
England
Blenkinsop Castle
Tower house
Moray
Blervie Castle
Z-plan castle
England
Boarstall Tower
Fortified manor house
Historic castle in Buckinghamshire
Wales
Bodelwyddan Castle
England
Bodiam Castle
Quadrangular castle
South Lanarkshire
Boghouse Castle
Aberdeenshire
Bognie Castle
Tower house
England
Bolingbroke Castle
Enclosure castle
Angus
Bolshan Castle
England
Bolsover Castle
Castle
England
Bolton Castle
Quadrangular castle
West Lothian
Bonhard Castle
Tower house
Angus
Bonnyton Castle
Dumfries and Galloway
Bonshaw Tower
Oblong plan tower house
Dumfries and Galloway
Boreland Tower
Tower House
East Ayrshire
Borland Castle
Tower Castle
the Scottish Borders
Borthwick Castle
L-plan castle
the Outer Hebrides
Borve Castle
Tower house
Highland
Borve Castle, Benbecula
Highland
Borve Castle, Sutherland
England
Borwick Hall
Pele tower
England
Bothal Castle
Castle
South Lanarkshire
Bothwell Castle
Castle of enceinte
West Dunbartonshire
Boturich Castle
Castellated house
England
Bowes Castle
Keep
Historic castle in County Durham
Angus
Boysack Castle
Highland
Braal Castle
England
Brackenburgh Old Tower
Pele tower
England
Brackenhill Tower
Tower house
Aberdeenshire
Braemar Castle
Tower house
Highland
Brahan Castle
Angus
Braikie Castle
England
Bramber Castle
Keep and bailey
England
Brampton Bryan Castle
Castle
England
Brancepeth Castle
Keep and bailey
Historic castle in County Durham
Angus
Brandy Den Castle
England
Branthwaite Hall
Pele tower
the Scottish Borders
Branxholme Castle
Tower house
Angus
Brechin Castle
Country house
Orkney
Breckness Castle
Historic house
Dumfries and Galloway
Breckonside Tower
Pele tower
Dumfries and Galloway
Breckonside Tower or Breconside
Oblong plan tower house
Wales
Brecon Castle
West Lothian
Bridge Castle
Tower house
England
Bridgnorth Castle
Keep and bailey
Northern Ireland
Bright Castle
Highland
Brims Castle
England
Brimstage Hall
Tower house
North Ayrshire
Broadstone Castle
North Ayrshire
Brodick Castle
Historic House
Moray
Brodie Castle
fortified house
England
Broncroft Castle
Fortified manor house
Wales
Bronllys Castle
Clackmannanshire
Broomhall Castle
Baronial house
England
Brough Castle
Keep and bailey
England
Brougham Castle
Keep and bailey
England
Brougham Hall
Fortified manor house
England
Broughton Castle
Fortified manor house
England
Broughton Tower
Pele tower
Dundee
Broughty Castle
Tower house
England
Brownsea Castle
Castellated house
Dumfries and Galloway
Brydekirk Tower
Tower house
Wales
Bryn Bras Castle
Stirling (council area)
Buchanan Castle
Baronial house
Highland
Buchollie Castle
England
Buckden Palace
Fortified manor house
Historic castle in Cambridgeshire
Dumfries and Galloway
Buittle Castle
Dumfries and Galloway
Buittle Place
England
Bungay Castle
Keep and bailey
England
Burgh Castle
Motte and bailey
Moray
Burgie Castle
Z-plan
Perth and Kinross
Burleigh Castle
ruin
England
Burneside Hall
Tower house
East Ayrshire
Busbie Castle
Tower house
East Lothian
Byres Castle
England
Bywell Castle
Castle
South Lanarkshire
Cadzow Castle
Wales
Caergwrle Castle
England
Caerhays Castle
Neo-romantic castle
Dumfries and Galloway
Caerlaverock Castle
Courtyard castle
Wales
Caerleon Castle
Wales
Caernarfon Castle
Wales
Caerphilly Castle
Aberdeenshire
Cairnbulg Castle
Z-plan tower house
West Lothian
Cairns Castle
Tower house
Highland
Caisteal Maol
England
Caister Castle
Quadrangular castle
South Lanarkshire
Calderwood Castle
Wales
Caldicot Castle
England
Caldwall Castle
Fortified manor house
East Renfrewshire
Caldwell Castle
Argyll and Bute
Calgary Castle
Castellated house
England
Callaly Castle
Pele tower
England
Calshot Castle
Artillery fort
the Outer Hebrides
Calvay Castle
England
Camber Castle
Artillery fort
Wales
Candleston Castle
England
Canterbury Castle
Tower keep
East Ayrshire
Caprington Castle
Tower house
Highland
Carbisdale Castle
Wales
Cardiff Castle
Wales
Cardigan Castle
Dumfries and Galloway
Cardoness Castle
Tower house
Angus
Careston Castle
Country house
Wales
Carew Castle
England
Carisbrooke Castle
Keep and bailey
South Ayrshire
Carleton Castle
Tower castle
England
Carlisle Castle
Keep and bailey
Northern Ireland
Carlow Castle
Wales
Carmarthen Castle
Angus
Carmyllie Castle
England
Carn Brea Castle
Sham castle
Argyll and Bute
Carnasserie Castle
Tower house
Wales
Carndochan Castle
Angus
Carnegie Castle
East Ayrshire
Carnell Castle
Tower house
Northern Ireland
Carra Castle
Wales
Carreg Cennen Castle
West Lothian
Carribber Castle or Rob Gibb's Castle
Manor house
Argyll and Bute
Carrick Castle
Tower House
Northern Ireland
Carrickfergus Castle
Northern Ireland
Carrowdore Castle
Dumfries and Galloway
Carsluith Castle
Tower house
South Lanarkshire
Carstairs Castle
England
Cartington Castle
Pele tower and extensions
South Ayrshire
Cassillis Castle
Keep
Wales
Castell Aberlleiniog
Wales
Castell Arnold
Wales
Castell Coch
Wales
Castell Moel
Wales
Castell y Bere
England
Castle Acre Castle
Motte and bailey
Northern Ireland
Castle Archdale
Northern Ireland
Castle Balfour
Northern Ireland
Castle Caldwell
Clackmannanshire
Castle Campbell
Courtyard castle
Falkirk (council area)
Castle Cary Castle
Tower house
Highland
Castle Chanonry of Ross
Dumfries and Galloway
Castle Clanyard
Perth and Kinross
Castle Cluggy
Northern Ireland
Castle Coole
Highland
Castle Craig
England
Castle Drogo
Neo-romantic castle
Aberdeenshire
Castle Forbes
Castellated house
Aberdeenshire
Castle Fraser
Z-plan tower house
Highland
Castle Grant
Shetland
Castle Holm
Perth and Kinross
Castle Huntly
Dumfries and Galloway
Castle Kennedy
Tower house
Argyll and Bute
Castle Lachlan
Country house
Highland
Castle Leod
Inverclyde
Castle Levan
Tower house
Perth and Kinross
Castle Menzies
Aberdeenshire
Castle Newe
Z-plan tower house
England
Castle Rising Castle
Keep
the Isle of Man
Castle Rushen
Keep and bailey
Renfrewshire
Castle Semple
Argyll and Bute
Castle Stalker
Tower house
Moray
Castle Stripe
Highland
Castle Stuart
Tower house
Argyll and Bute
Castle Sween
Highland
Castle Tioram
Argyll and Bute
Castle Toward
Baronial house
Northern Ireland
Castle Upton
Northern Ireland
Castle Ward
Inverclyde
Castle Wemyss
Historic house
Angus
Castle of Downie
Highland
Castle of Mey
Historic House
Highland
Castle of Old Wick
Dumfries and Galloway
Castle of Park
Tower house
Aberdeenshire
Castle of Rattray
Motte
Dumfries and Galloway
Castle of St. John
Tower house
Northern Ireland
Castlederg Castle, or Derg Castle
Dumfries and Galloway
Castlemilk Tower
Tower house
Angus
Castleton of Eassie
Northern Ireland
Castlewellan Castle
Glasgow
Cathcart Castle
England
Catterlen Hall
Tower house
Northern Ireland
Caulfield Castle
the Scottish Borders
Cavers Castle
Tower
England
Caverswall Castle
Enclosure castle
Highland
Cawdor Castle
Historic House
England
Cawood Castle
Quadrangular castle
Wales
Cefnllys Castle
the Scottish Borders
Cessford Castle
East Ayrshire
Cessnock Castle
Tower house
England
Chartley Castle
Motte and bailey
England
Cheney Longville Castle
Fortified manor house
Wales
Chepstow Castle
England
Chester Castle
Keep and bailey
Historic castle in Cheshire
England
Chiddingstone Castle
Neo-romantic castle
England
Chilham Castle
Keep and bailey
England
Chillingham Castle
Quadrangular castle
England
Chipchase Castle
Tower house
Wales
Chirk Castle
England
Christchurch Castle
Motte and bailey
Wales
Cilgerran Castle
Clackmannanshire
Clackmannan Tower
Tower house
Argyll and Bute
Claig Castle
England
Clare Castle
Motte and bailey
Angus
Claverhouse Castle, Glamis
England
Claxton Castle
Castle
Dundee
Claypotts Castle
Z-plan tower house
England
Clifford Castle
Motte and bailey
England
Clifford's Tower
Keep
England
Clifton Hall
Pele tower
England
Clitheroe Castle
Keep and bailey
North Ayrshire
Clonbeith Castle
North Ayrshire
Cloncaird Castle
Northern Ireland
Clonyn Castle
Dumfries and Galloway
Closeburn Castle
Tower house
Northern Ireland
Clough Castle
Angus
Clova Castle
England
Clun Castle
Keep and bailey
Aberdeenshire
Cluny Castle
Z-plan castle
Aberdeenshire
Cluny Crichton Castle
Tower house
Aberdeenshire
Cobairdy Castle
Tower house
Renfrewshire
Cochrane Castle
England
Cockermouth Castle
Enclosure castle
England
Cocklaw Tower
Tower house
England
Cockle Park Tower
Tower house
England
Codnor Castle
Castle
Wales
Coity Castle
England
Colchester Castle
Tower keep
Northern Ireland
Coleraine Castle
Fife
Collairnie Castle
Angus
Colliston Castle
Z-plan tower house
Dumfries and Galloway
Comlongon Castle
Tower house
England
Compton Castle
Fortified manor house
England
Conisbrough Castle
Keep and bailey
Wales
Conwy Castle
England
Cooling Castle
Keep and bailey
England
Corbridge Vicar's Pele
Pele tower
England
Corby Castle
Tower house
England
Corfe Castle
Keep and bailey
Aberdeenshire
Corgarff Castle
Tower house
Dumfries and Galloway
Cornal Tower
Oblong plan tower house
Dumfries and Galloway
Corra Castle, Kirkgunzeon
the Scottish Borders
Corsbie Castle
Aberdeenshire
Corse Castle
L and Z-plan castle
East Ayrshire
Corsehill Castle
Tower house
Dumfries and Galloway
Corsewall Castle
Aberdeenshire
Corsindae House
L and U-plan castle
Angus
Cortachy Castle
Z-plan courtyard castle
Angus
Cossans Castle
Angus
Coull Castle
England
Coupland Castle
Tower house
Midlothian
Cousland Castle
Tower house
West Lothian
Couston Castle
Tower house
Northern Ireland
Cowd Castle or Choud Castle
Moray
Coxton Tower
Tower House
Angus
Craig Castle
Angus
Craig House, Angus
Dumfries and Galloway
Craigcaffie Castle
Edinburgh
Craigcrook Castle
Tower house
Stirling (council area)
Craigend Castle
Baronial house
Perth and Kinross
Craighall Castle
South Ayrshire
Craigie Castle
Keep
Aberdeenshire
Craigievar Castle
Tower house
Edinburgh
Craiglockhart Castle
Tower house
Edinburgh
Craigmillar Castle
Keep & later ranges
Moray
Craigneach Castle
L-plan Tower House
South Lanarkshire
Craignethan Castle
Argyll and Bute
Craignish Castle
Baronial House
Aberdeenshire
Craigston Castle
Tower house
Edinburgh
Cramond Tower
Tower house
the Scottish Borders
Cranshaws Tower
England
Craster Tower
Pele tower
Aberdeenshire
Crathes Castle
Tower house
East Ayrshire
Craufurdland Castle
Tower house
South Lanarkshire
Crawford Castle
South Lanarkshire
Crawfordjohn Castle
Dumfries and Galloway
Crawfordton Tower
Trapezoid plan tower house
England
Crawley Tower
Pele tower
England
Crayke Castle
Tower house
Northern Ireland
Creevekeeran Castle
England
Cresswell Castle
Pele tower
Northern Ireland
Crevenish Castle
Wales
Criccieth Castle
Midlothian
Crichton Castle
Courtyard castle
Wales
Crickhowell Castle
England
Croft Castle
Quadrangular castle
Northern Ireland
Crom Castle
England
Cromwell's Castle
Artillery tower
the Isle of Man
Cronk Howe Mooar
Motte and bailey
Glasgow
Crookston Castle
X-plan tower house
South Ayrshire
Crosbie Castle
Keep
Dumfries and Galloway
Cruggleton Castle
Motte and bailey
Orkney
Cubbie Roo's Castle
Tower house
Stirling (council area)
Culcreuch Castle
Tower house
Moray
Cullen Castle
Moray
Cullen House
Aberdeenshire
Culsalmond
Unknown
South Ayrshire
Culzean Castle
Historic house
Dumfries and Galloway
Cumstoun Castle
Oblong plan tower house
North Ayrshire
Cunninghamhead Castle
Aberdeenshire
Cushnie Castle
Unknown
Wales
Cyfarthfa Castle
England
Dacre Castle
Tower house
Fife
Dairsie Castle
Highland
Dalcross Castle
L-plan
Midlothian
Dalhousie Castle
Historic house
Midlothian
Dalkeith Palace
Historic house
East Ayrshire
Dallars Castle
Tower House
Perth and Kinross
Dalnaglar Castle
Stirling (council area)
Dalnair Castle
Baronial house
South Ayrshire
Dalquharran Castle (new)
South Ayrshire
Dalquharran Castle (old)
England
Dalston Hall
Fortified house
Dumfries and Galloway
Dalswinton Tower
Z-plan tower house
England
Dalton Castle
Pele tower
North Lanarkshire
Dalzell House
Historic house
England
Danby Castle
Quadrangular castle
Moray
Darnaway Castle
Historic house
England
Dartmouth Castle
Castle
Aberdeenshire
Daugh Castle
Probably wooden structure
Highland
Daviot Castle
England
Deal Castle
Artillery fort
East Ayrshire
Dean Castle
Courtyard Castle
Aberdeenshire
Dee Castle
Tower house
Wales
Deganwy Castle
Aberdeenshire
Delgatie Castle
Tower house
Wales
Denbigh Castle
Fife
Denmylne Castle
the Isle of Man
Derby Fort
Artillery fort
Moray
Deskford Tower
14th century
Moray
Deskie Castle
England
Devizes Castle
Neo-romantic castle
England
Dilston Castle
Tower house
Wales
Dinas Brân
Wales
Dinas Emrys
Wales
Dinefwr Castle
Wales
Dingestow Castle
Highland
Dingwall Castle
East Lothian
Dirleton Castle
fortress
England
Dobroyd Castle
Sham Castle
England
Doddington Castle
Tower house
Historic castle in Cheshire
Wales
Dolbadarn Castle
Wales
Dolforwyn Castle
Wales
Dolwyddelan Castle
England
Donnington Castle
Castle
Historic castle in Berkshire
Aberdeenshire
Dorlaithers Castle
Unknown
Highland
Dornoch Castle
South Lanarkshire
Douglas Castle
Stirling (council area)
Doune Castle
Courtyard castle
Highland
Dounreay Castle
L-plan
England
Dover Castle
Concentric castle
England
Downton Castle
Neo-romantic castle
England
Drawdykes Castle
Tower house
the Scottish Borders
Drochil Castle
Aberdeenshire
Drum Castle
Tower house and Jacobean mansion with additions
England
Drumburgh Castle
Tower house
Dumfries and Galloway
Drumcoltran Tower
L-plan tower house
Moray
Drumin Castle
Dumfries and Galloway
Drumlanrig Castle
Renaissance house
Perth and Kinross
Drummond Castle
South Lanarkshire
Drumsagard Castle
Aberdeenshire
Drumtochty Castle
Castellated house
the Scottish Borders
Dryhope Tower
Wales
Dryslwyn Castle
Argyll and Bute
Duart Castle
Inverclyde
Duchal Castle
Dundee
Dudhope Castle
Extended tower house
England
Dudley Castle
Keep and bailey
Moray
Duffus Castle
West Dunbartonshire
Dumbarton Castle
Garrison fortress
Aberdeenshire
Dumbreck Castle
Dumfries and Galloway
Dumfries Castle
Highland
Dun Ringill
Northern Ireland
Dunaneeny Castle
Argyll and Bute
Dunans Castle
Baronial house
Argyll and Bute
Dunaverty Castle
East Lothian
Dunbar Castle
Highland
Dunbeath Castle
Argyll and Bute
Dundarave Castle
L-plan tower house
Aberdeenshire
Dundarg Castle
Edinburgh
Dundas Castle
Tower house with later mansion
Dundee
Dundee Castle
Dumfries and Galloway
Dundeugh Castle
L-plan tower house
South Ayrshire
Dundonald Castle
Northern Ireland
Dundrum Castle
South Ayrshire
Dunduff Castle
L-shaped Tower
Northern Ireland
Dungannon Castle
Northern Ireland
Dungiven Castle
West Dunbartonshire
Dunglass Castle
Fife
Dunimarle Castle
Historic house
East Ayrshire
Dunlop Castle
Unknown
Northern Ireland
Dunluce Castle
Aberdeenshire
Dunnideer Castle
Tower house
Aberdeenshire
Dunnottar Castle
Courtyard castle
Argyll and Bute
Dunollie Castle
Tower house
Argyll and Bute
Dunoon Castle
Motte
Moray
Dunphail Castle
14th century
Highland
Dunrobin Castle
Inverclyde
Dunrod Castle
the Scottish Borders
Duns Castle
Highland
Dunscaith Castle
Northern Ireland
Dunseverick Castle
Dumfries and Galloway
Dunskey Castle
Tower house
Argyll and Bute
Dunstaffnage Castle
Castle of enceinte
England
Dunstanburgh Castle
Keep and bailey
England
Dunster Castle
Castle
West Lothian
Duntarvie Castle
Renaissance house
Argyll and Bute
Duntrune Castle
Tower house
Highland
Duntulm Castle
South Ayrshire
Dunure Castle
Keep
Highland
Dunvegan Castle
Historic House
Argyll and Bute
Dunyvaig Castle
Courtyard castle
Perth and Kinross
Dupplin Castle
England
Durham Castle
Keep and bailey
Wales
Dyserth Castle
Orkney
Earl's Palace, Birsay
Palace
Orkney
Earl's Palace, Kirkwall
Fortified house
Fife
Earlshall Castle
Historic House
Dumfries and Galloway
Earlstoun Castle
L-plan tower house
Moray
Earnside Castle
Site
Aberdeenshire
Easter Clune Castle
Tower House
Inverclyde
Easter Greenock Castle
Unknown
England
Eastnor Castle
Neo-romantic castle
England
Eccleshall Castle
Castle
South Lanarkshire
Eddlewood Castle
Aberdeenshire
Eden Castle
Z-plan tower house
Stirling (council area)
Edinample Castle
Tower house
Edinburgh
Edinburgh Castle
Royal fortress
Dumfries and Galloway
Edingham Castle
Oblong plan tower house
England
Edlingham Castle
Keep and bailey
the Scottish Borders
Edrington Castle
Angus
Edzell Castle
Courtyard castle
North Ayrshire
Eglinton Castle
England
Egremont Castle
Castle
Highland
Eilean Donan Castle
Perth and Kinross
Elcho Castle
Tower house
Moray
Elgin Castle
Dumfries and Galloway
Eliock House
Tower house
Falkirk (council area)
Elphinstone Tower
Tower house
England
Elsdon Tower
Pele tower
Dumfries and Galloway
Elshieshields Tower
Tower house
England
Elton Hall
Fortified manor house
Historic castle in Cambridgeshire
England
Elvaston Castle
Castellated house
England
Embleton Tower
Pele tower
Northern Ireland
Enniskillen Castle
Highland
Erchless Castle
Renfrewshire
Erskine Castle
Unknown
Aberdeenshire
Esslemont Castle
Tower house
England
Etal Castle
Castle
Angus
Ethie Castle
the Scottish Borders
Evelaw Tower
L-plan
Wales
Ewloe Castle
England
Eye Castle
Motte and bailey
England
Eynsford Castle
Castle
East Lothian
Fa'side Castle
Tower house (altered keep)
South Ayrshire
Fail Castle
Tower
North Ayrshire
Fairlie Castle
Tower
Fife
Falkland Palace
Historic House
England
Farleigh Hungerford Castle
Enclosure castle
South Lanarkshire
Farme Castle
Keep and courtyard
Angus
Farnell Castle
England
Farnham Castle
Keep and bailey
Aberdeenshire
Fasque Castle
Baronial house
the Scottish Borders
Fast Castle
courtyard castle
Northern Ireland
Fathom Castle
the Scottish Borders
Fatlips Castle
England
Featherstone Castle
Castle
Aberdeenshire
Fedderate Castle
L-plan tower house
East Lothian
Fenton Tower
Tower house
Fife
Fernie Castle
the Scottish Borders
Ferniehirst Castle
Aberdeenshire
Fetteresso Castle
Castellated house
Angus
Finavon Castle
Baronial house
Argyll and Bute
Fincharn Castle
Aberdeenshire
Findlater Castle
Courtyard castle
Moray
Findochty Castle
Perth and Kinross
Finlarig Castle
L-plan tower house
Inverclyde
Finlaystone Castle
Tower house
Wales
Flint Castle
the Scottish Borders
Floors Castle
house
Wales
Fonmon Castle
England
Ford Castle
Quadrangular castle
Fife
Fordell Castle
Aberdeenshire
Fordyce Castle
L-plan castle
Angus
Forfar Castle
Moray
Forres Castle
Highland
Forse Castle
Perth and Kinross
Forter Castle
Highland
Foulis Castle
Dumfries and Galloway
Fourmerkland Tower
Oblong plan tower house
Aberdeenshire
Foveran Castle
Unknown
England
Framlingham Castle
Enclosure castle
Aberdeenshire
Freefield Castle
Unknown
Dumfries and Galloway
Frenchland Tower
Oblong plan tower house
Highland
Freswick
Dumfries and Galloway
Friar's Carse
Baronial mansion
the Scottish Borders
Fulton Tower
L-plan castle
Aberdeenshire
Fyvie Castle
Tower house
South Ayrshire
Gadgirth Castle
Tower
South Ayrshire
Gadgirth Old Ha'
Tower
Aberdeenshire
Gairnieston Castle
Dumfries and Galloway
Galdenoch Castle
Northern Ireland
Galgorm Castle
East Lothian
Gamelshiel Castle
Tower house
East Lothian
Garleton Castle
Courtyard castle
Aberdeenshire
Gartly Castle
Keep
Moray
Gauldwell Castle
Enclosure castle
England
Gidleigh Castle
Keep
North Ayrshire
Giffen castle
South Lanarkshire
Gilbertfield Castle
Tower house
Dumfries and Galloway
Gillesbie Tower
Oblong plan tower house
England
Gilling Castle
Tower house
Dumfries and Galloway
Gilnockie Tower
Oblong plan tower house
Angus
Glamis Castle
Baronial house
England
Gleaston Castle
Enclosure castle
Dumfries and Galloway
Glenae Tower
Tower house
South Ayrshire
Glenapp Castle
Northern Ireland
Glenarm Castle
Aberdeenshire
Glenbuchat Castle
Z-plan tower house
North Ayrshire
Glengarnock Castle
Tower
Highland
Glengarry Castle
Argyll and Bute
Glengorm Castle
England
Goodrich Castle
Concentric castle
Moray
Gordon Castle
Historic house
Northern Ireland
Gosford Castle
the Isle of Man
Greeba Castle
Castellated house
South Ayrshire
Greenan Castle
Northern Ireland
Greencastle
the Scottish Borders
Greenknowe Tower
England
Greystoke Castle
Castle
England
Grimsthorpe Castle
Country house
Wales
Grosmont Castle
Renfrewshire
Gryffe Castle
Unknown
England
Guildford Castle
Keep and bailey
Angus
Guthrie Castle
Baronial house
Wales
Gwrych Castle
Wales
Gwydir Castle
Argyll and Bute
Gylen Castle
Tower house
England
Haddon Hall
Fortified manor house
England
Hadleigh Castle
Castle
Glasgow
Haggs Castle
Tower house
East Lothian
Hailes Castle
Keep & ranges
East Ayrshire
Haining Place
Tower House
England
Halloughton Manor House
Pele tower
Fife
Hallyards Castle
England
Halnaker House
Fortified manor house
England
Halton Castle
Tower house
Historic castle in Cheshire
England
Hampton Court
Fortified manor house
England
Hanwell Castle
Castellated house
England
Harbottle Castle
Keep and bailey
England
Harbybrow Tower
Pele tower
England
Harewood Castle
Tower house
Wales
Harlech Castle
Northern Ireland
Harry Avery's Castle
Aberdeenshire
Harthill Castle
Castellated mansion
England
Hartlebury Castle
Fortified manor house
England
Hastings Castle
Keep and bailey
Angus
Hatton Castle
Z-plan tower house
England
Haughton Castle
Tower house
Wales
Haverfordwest Castle
Wales
Hawarden Castle
Renfrewshire
Hawkhead Castle
Tower
Midlothian
Hawthornden Castle
Tower house
Wales
Hay Castle
England
Hayton Castle
Tower house
England
Hazelslack Tower
Pele tower
England
Hazlewood Castle
Castle
England
Hedingham Castle
Tower keep
England
Hellifield Peel
Tower house
Highland
Helmsdale Castle
England
Helmsley Castle
Castle
Moray
Hempriggs Castle
Castle
England
Hemyock Castle
Enclosure castle
Wales
Hensol Castle
Falkirk (council area)
Herbertshire Castle
the Scottish Borders
Hermitage Castle
keep
England
Herstmonceux Castle
Fortified mansion
England
Hertford Castle
Motte and bailey
North Ayrshire
Hessilhead Castle
England
Hever Castle
Fortified manor house
England
Hexham Moot Hall and Old Gaol
Fortified towers
North Ayrshire
Hill of Beith Castle
Tower
Dumfries and Galloway
Hills Tower
Oblong plan tower house
Northern Ireland
Hillsborough Castle
Dumfries and Galloway
Hoddom Castle
Fortified enclosure containing L-plan tower house
Wales
Holt Castle
England
Hopton Castle
Keep and bailey
England
Hornby Castle
Courtyard castle
England
Horsley Tower, Longhorsley
Pele tower
West Lothian
House of the Binns
Castellated house
Renfrewshire
Houston House
Quadrangular castle
England
Howgill Castle
Tower house
the Scottish Borders
Hume Castle
Northern Ireland
Huntington Castle
Perth and Kinross
Huntingtower Castle
Aberdeenshire
Huntly Castle
L-plan tower house
England
Hurst Castle
Artillery fort
England
Hussey Tower
Tower house
England
Hutton John
Pele tower
England
Hutton-in-the-Forest
Pele tower
England
Hylton Castle
Tower house
West Lothian
Illieston Castle
Manor house
England
Ince Castle
Semi-fortified house
Renfrewshire
Inch Castle
Aberdeenshire
Inchdrewer Castle
Tower house
Edinburgh
Inchgarvie Castle
Tower house
Renfrewshire
Inchinnan Castle
West Dunbartonshire
Inchmurrin Castle
England
Ingmire Hall
Pele tower
East Lothian
Innerwick Castle
Argyll and Bute
Innes Chonnel Castle
Aberdeenshire
Inverallochy Castle
Courtyard castle
Argyll and Bute
Inveraray Castle
Castellated house
Aberdeenshire
Invercauld Castle
Baronial house
Aberdeenshire
Inverey Castle
Laird's house
Highland
Invergarry Castle
Highland
Inverlochy Castle
Angus
Invermark Castle
Tower house
Highland
Inverness Castle
Angus
Inverquharity Castle
L-plan tower house
Perth and Kinross
Inverquiech Castle
Moray
Inverugie Castle
Castle
England
Isel Hall
Tower house
Dumfries and Galloway
Isle Tower or Lochar Tower
Oblong plan tower house
Dumfries and Galloway
Isle of Whithorn Castle
Tower house
the Scottish Borders
Jedburgh Castle
Renfrewshire
Johnstone Castle
Tower, former castellated mansion
Northern Ireland
Jordan's Castle
Argyll and Bute
Kames Castle
Tower house
Highland
Keiss Castle
East Lothian
Keith Marischal
North Ayrshire
Kelburn Castle
Fife
Kellie Castle
Historic House
Aberdeenshire
Kemnay House
L-Plan Castle, altered
England
Kendal Castle
Ringwork
Wales
Kenfig Castle
England
Kenilworth Castle
Keep and bailey
Dumfries and Galloway
Kenmure Castle
England
Kentchurch Court
Fortified manor house
England
Kentmere Hall
Pele tower
North Ayrshire
Kerelaw Castle
East Ayrshire
Kerse Castle
North Ayrshire
Kersland Castle
Tower
Wales
Kidwelly Castle
North Ayrshire
Kilbirnie Place
Tower
South Lanarkshire
Kilbride Castle
Keep and courtyard
Moray
Kilbuaick Castle
Argyll and Bute
Kilchurn Castle
Tower house
Northern Ireland
Kilclief Castle
North Ayrshire
Kildonan Castle
Aberdeenshire
Kildrummy Castle
Castle of enceinte
Dumfries and Galloway
Killaser Castle
Northern Ireland
Killeavy Castle
South Ayrshire
Killochan Castle
Northern Ireland
Killua Castle
Northern Ireland
Killyleagh Castle
Northern Ireland
Killymoon Castle
Argyll and Bute
Kilmahew Castle
Tower house
West Dunbartonshire
Kilmaronock Castle
Tower house
Argyll and Bute
Kilmartin Castle
Z-plan tower house
East Ayrshire
Kilmaurs Castle
Argyll and Bute
Kilmory Castle
Castellated house
Highland
Kilravock Castle
East Lothian
Kilspindie Castle
Northern Ireland
Kilwaughter Castle
England
Kimbolton Castle
Castellated house
Historic castle in Cambridgeshire
Northern Ireland
Kinbane Castle
Aberdeenshire
Kincardine Castle
Baronial house
Perth and Kinross
Kinclaven Castle
Aberdeenshire
Kindrochit Castle
Keep
Perth and Kinross
Kinfauns Castle
Northern Ireland
King's Castle
East Ayrshire
Kingencleugh Castle
L-plan tower house
England
Kingsgate Castle
Neo-romantic castle
England
Kingswear Castle
Artillery fort
Moray
Kininvie Castle
Highland
Kinloch Castle
Highland
Kinlochaline Castle
Angus
Kinnaird Castle
Castellated mansion
Perth and Kinross
Kinnaird Castle, Kinnaird
Aberdeenshire
Kinnairdy Castle
Tower house
Moray
Kinneddar Castle
Falkirk (council area)
Kinneil House
Historic house
England
Kinnersley Castle
Castle
Aberdeenshire
Kinord Castle
England
Kirby Muxloe Castle
Quadrangular castle
England
Kirkandrews Tower
Pele tower
Dumfries and Galloway
Kirkconnell Tower
Tower house
Dumfries and Galloway
Kirkcudbright Castle
the Scottish Borders
Kirkhope Tower
Northern Ireland
Kirkistown Castle
Orkney
Kirkwall Castle
Castle
England
Kirtling Tower
Fortified manor house
Historic castle in Cambridgeshire
the Outer Hebrides
Kisimul Castle
Tower house
England
Knaresborough Castle
Keep and bailey
England
Knepp Castle
Keep and motte
Highland
Knock Castle
Argyll and Bute
Knockamillie Castle
Tower House
Northern Ireland
Knockdrin Castle
Aberdeenshire
Knockhall Castle
Tower house
East Ayrshire
Kyle Castle
Tower castle and barmkin
England
Kyme Tower
Castle
Dumfries and Galloway
Lag Tower
Oblong plan tower house
East Ayrshire
Lainshaw Castle
the Scottish Borders
Lamberton Castle
England
Lambton Castle
Neo-romantic castle
South Lanarkshire
Lamington Tower
Tower house
South Lanarkshire
Lanark Castle
England
Lancaster Castle
Keep and bailey
Dumfries and Galloway
Langholm Tower
Tower house
England
Langley Castle
Tower house
the Scottish Borders
Lanton Tower
Tower House
the Scottish Borders
Lauder Tower
Tower House
Wales
Laugharne Castle
England
Launceston Castle
Keep and bailey
Edinburgh
Lauriston Castle
Tower house with later mansion
North Ayrshire
Law Castle
England
Leasowe Castle
Sham castle
South Lanarkshire
Lee Castle
Historic House
England
Leeds Castle
Castle
East Ayrshire
Lefnoreis Castle
Tower Castle
England
Leicester Castle
Castle
Northern Ireland
Leighlinbridge Castle, or Black Castle of Leighlinbridge
England
Lemmington Hall
Tower house
East Dunbartonshire
Lennox Castle
Castellated mansion
Edinburgh
Lennox Tower
Tower house
East Lothian
Lennoxlove
Aberdeenshire
Leslie Castle
Tower house
Aberdeenshire
Lesmoir Castle
Courtyard castle
Fife
Leuchars Castle
England
Lewes Castle
Keep and bailey
the Outer Hebrides
Lews Castle
Historic house
England
Leybourne Castle
Castle
Edinburgh
Liberton Tower
Tower house
Northern Ireland
Limavady Castle
England
Lincoln Castle
Keep and bailey
England
Lindisfarne Castle
Artillery fort
West Lothian
Linlithgow Palace
Royal palace
England
Linstock Castle
Tower house
Northern Ireland
Lissanoure Castle
North Ayrshire
Little Cumbrae Castle
Tower
Wales
Llandovery Castle
Wales
Llanfair Kilgeddin Castle
Wales
Llangynwyd Castle
Wales
Llansteffan Castle
Wales
Llanthomas Castle Mound
Llanthomas Castle Mound
Wales
Llantrisant Castle
Wales
Llantrisant, Monmouthshire Castell Troggy
Wales
Llanvair Discoed Castle
Wales
Llawhaden Castle
East Ayrshire
Loch Doon Castle (Balloch Castle)
Dumfries and Galloway
Lochar Tower
Rectangular plan tower house
West Lothian
Lochcote Castle
Unknown
Dumfries and Galloway
Lochhouse Tower
Oblong plan tower house
Dumfries and Galloway
Lochinch Castle
Baronial house
Highland
Lochindorb Castle
Perth and Kinross
Lochleven Castle
Dumfries and Galloway
Lochmaben Castle
Castle of enceinte
Dumfries and Galloway
Lochnaw Castle
Tower house
Fife
Lochore Castle
Castle
North Ayrshire
Lochranza Castle (Arran Island)
Dumfries and Galloway
Lochwood Castle
L-plan tower house
Dumfries and Galloway
Lockerbie Tower
Oblong plan tower house
England
Longford Castle
Sham castle
England
Longthorpe Tower
Tower house
Historic castle in Cambridgeshire
England
Longtown Castle
Keep and bailey
Aberdeenshire
Lonmay Castle
Motte?
Fife
Lordscairnie Castle
East Ayrshire
Loudoun Castle
Courtyard Castle
Wales
Loughor Castle
Northern Ireland
Low Rock Castle
England
Lowther Castle
Neo-romantic castle
England
Ludgershall Castle
Ringwork
England
Ludlow Castle
Keep and bailey
East Lothian
Luffness Castle
Tower house
England
Lullingstone Castle
Semi-fortified house
England
Lulworth Castle
Sham castle
England
Lumley Castle
Quadrangular castle
Northern Ireland
Lurgan Castle or Brownlow House
England
Lydford Castle
Keep and bailey
England
Lympne Castle
Fortified house
Dumfries and Galloway
MacLellan's Castle
Tower house
Fife
Macduff's Castle
England
Mackworth Castle
Fortified manor house
Wales
Maesllwch Castle
Northern Ireland
Mahee Castle
South Lanarkshire
Mains Castle
Tower house
the Scottish Borders
Mangerton Tower
Tower House
England
Manor Farm, Ruislip
Motte-and-bailey castle
Wales
Manorbier Castle
Aberdeen
Mar's Castle
Unknown
Wales
Margam Castle
Northern Ireland
Margaret's Castle
England
Marisco Castle
Keep and bailey
East Lothian
Markle Castle
Tower house
England
Marmion Tower
Fortified manor house
East Ayrshire
Martnaham Castle
Tower
East Ayrshire
Mauchline Castle
Tower
England
Maxstoke Castle
Quadrangular castle
South Ayrshire
Maybole Castle
East Renfrewshire
Mearns Castle
Tower house
Perth and Kinross
Meggernie Castle
Perth and Kinross
Megginch Castle
Angus
Melgund Castle
Tower house
Dumfries and Galloway
Mellingshaw Tower
Tower house
Midlothian
Melville Castle
Castellated mansion
Clackmannanshire
Menstrie Castle
Tower house
Edinburgh
Merchiston Castle
Tower house
the Scottish Borders
Mervinslaw Pele
Pele tower
Perth and Kinross
Methven Castle
England
Mettingham Castle
Fortified manor house
England
Middleham Castle
Keep and bailey
England
Middleton Hall
Fortified manor house
West Lothian
Midhope Castle
Tower house
Aberdeenshire
Migvie Castle
Enclosure castle
England
Millom Castle
Castle
Highland
Milntown Castle
Argyll and Bute
Minard Castle
Castellated house
Highland
Mingarry Castle
Medieval hall
England
Mitford Castle
Keep and bailey
Wales
Mold Castle
Northern Ireland
Monea Castle
Highland
Moniack Castle
North Ayrshire
Monkcastle
Wales
Monmouth Castle
North Ayrshire
Montfode Castle
Fortified tower
Wales
Montgomery Castle
North Ayrshire
Montgreenan Castle
Angus
Montrose Castle
England
Moreton Corbet Castle
Keep
Wales
Morgraig Castle
Wales
Morlais Castle
England
Morpeth Castle
Castle
England
Mortham Tower
Fortified manor house
Dumfries and Galloway
Morton Castle
Courtyard castle
Northern Ireland
Mountjoy Castle
Dumfries and Galloway
Mouswald Tower
Oblong plan tower house
Argyll and Bute
Moy Castle
Northern Ireland
Moydrum Castle
Northern Ireland
Moyry Castle
Aberdeenshire
Muchalls Castle
L-plan tower house
Highland
Muckrach Castle
Stirling (council area)
Mugdock Castle
Courtyard castle
the Scottish Borders
Muircleuch Tower
England
Mulgrave Castle (Old)
Enclosure castle
England
Muncaster Castle
Tower house
Shetland
Muness Castle
West Lothian
Murieston Castle
Folly
Perth and Kinross
Murthly Castle
Northern Ireland
Myra Castle
Fife
Myres Castle
Dumfries and Galloway
Myreton Castle
Tower House and later Great House
England
Nappa Hall
Fortified manor house
Wales
Narberth Castle
Northern Ireland
Narrow Water Castle
England
Naworth Castle
Keep and bailey
Wales
Neath Castle
Northern Ireland
Necarne Castle
the Scottish Borders
Neidpath Castle
keep
England
Netley Castle
Artillery fort
Wales
New Hawarden Castle
England
Newark Castle
Castle
Midlothian
Newbattle Abbey
Fortified house
Dumfries and Galloway
Newbie Castle
Tower house
England
Newbiggin Hall
Fortified house
Wales
Newcastle
England
Newcastle Castle
Keep and bailey
Wales
Newcastle Emlyn Castle
East Ayrshire
Newmilns Tower
Keep
Highland
Newmore Castle
Wales
Newport Castle
Perth and Kinross
Newton Castle
Z-plan tower house
England
Newton St Loe Castle
Fortified manor house
West Lothian
Niddry Castle
Tower house
the Scottish Borders
Nisbet House
House
Orkney
Noltland Castle
Tower house
England
Norham Castle
Keep and bailey
England
Norris Castle
Neo-romantic castle
England
Northborough Castle
Fortified manor house
Historic castle in Cambridgeshire
England
Norwich Castle
Keep
England
Nottingham Castle
Keep and bailey
Northern Ireland
Nugent Castle
England
Nunney Castle
Quadrangular castle
England
Oakham Castle
Motte and bailey
West Lothian
Ochiltree Castle
Laird's house
England
Odiham Castle
Shell keep and bailey
West Lothian
Ogilface Castle
Tower house
Wales
Ogmore Castle
England
Okehampton Castle
Keep and bailey
Wales
Old Beaupre Castle
Argyll and Bute
Old Castle Lachlan
Perth and Kinross
Old Clunie Castle
Northern Ireland
Old Crom Castle
England
Old Hollinside
Fortified manor house
the Scottish Borders
Old Lauder Castle
Dumfries and Galloway
Old Lochmaben Castle
Motte and bailey
England
Old Sarum Castle
Motte and bailey
the Scottish Borders
Old Thirlestane Castle
England
Old Wardour Castle
Castle
Northern Ireland
Olderfleet Castle
Dumfries and Galloway
Orchardton Castle
Baronial Mansion
Dumfries and Galloway
Orchardton Tower
Tower house
England
Orford Castle
Keep
the Outer Hebrides
Ormacleit Castle
Historic house
East Lothian
Ormiston Castle
Tower house
Highland
Ormlie
Highland
Ormond Castle
England
Otford Palace
Fortified manor house
England
Oxburgh Hall
Fortified manor house
England
Oxford Castle
Motte and bailey
Wales
Oxwich Castle
Wales
Oystermouth Castle
Glasgow
Partick Castle
England
Paull Holme Tower
Tower House
England
Peckforton Castle
Neo-romantic castle
Historic castle in Cheshire
the Scottish Borders
Peebles Castle
the Isle of Man
Peel Castle
Castle
West Lothian
Peel of Livingston
Unknown
Aberdeenshire
Peill Castle
Motte?
England
Pembridge Castle
Keep and bailey
Wales
Pembroke Castle
Wales
Pen y Clawdd Castle
Wales
Pencoed Castle
England
Pendennis Castle
Artillery fort
England
Pendragon Castle
Tower house
England
Pengersick Castle
Fortified manor house
Wales
Penhow Castle
South Ayrshire
Penkill Castle
Wales
Penmark Castle
Wales
Pennard Castle
England
Pennsylvania Castle
Neo-romantic castle
Wales
Penrhos Castle
Wales
Penrhyn Castle
Wales
Penrice Castle
England
Penrith Castle
Castle
East Lothian
Penshiel Tower
England
Penshurst Place
Fortified manor house
Perth and Kinross
Perth Castle
Highland
Petty Castle
England
Pevensey Castle
Keep and bailey
England
Peveril Castle
Keep and bailey
England
Pickering Castle
Keep and bailey
Wales
Picton Castle
England
Piel Castle
Castle
North Ayrshire
Pitcon
Fortified tower
Fife
Piteadie Castle
Aberdeenshire
Pitfichie Castle
An intermediate link between a simple oblong tower and a fully developed Z plan.
Moray
Pitlurg Castle
Fife
Pitreavie Castle
tower house
Aberdeenshire
Pitsligo Castle
Keep
Fife
Pittarthie Castle
Aberdeenshire
Pittulie Castle
England
Place House, Fowey
Tower house
Stirling (council area)
Plean Castle
Tower house
Dumfries and Galloway
Plunton Castle
Tower House
England
Plympton Castle
Motte and bailey
East Ayrshire
Polkelly Castle
Tower
East Renfrewshire
Polnoon Castle
Tower house
England
Pontefract Castle
Enclosure castle
Northern Ireland
Portaferry Castle
England
Portchester Castle
Keep and bailey
North Ayrshire
Portencross Castle
England
Portland Castle
Artillery fort
Northern Ireland
Portlick Castle
Northern Ireland
Portora Castle
the Scottish Borders
Posso Tower
England
Powderham Castle
Fortified manor house
Wales
Powis Castle
Dundee
Powrie Castle
Z-plan tower house
Wales
Prestatyn Castle
East Lothian
Preston Tower
keep
England
Preston Tower, Ellingham
Pele tower
England
Prior Castell's Tower
Tower house
England
Prior's Tower, Carlisle
Pele tower
England
Prudhoe Castle
Castle
West Lothian
Pumpherston Castle
Unknown
Moray
Quarrelwood Castle
England
Quatford Castle
Neo-romantic castle
Northern Ireland
Quintin Castle
Northern Ireland
Quoile Castle
England
Raby Castle
Castle
England
Raby Old Lodge
Tower house
England
Radcliffe Tower
Tower house
Dumfries and Galloway
Raecleugh Tower
Bastle house
Wales
Raglan Castle
Highland
Rait Castle
Renfrewshire
Ranfurly Castle
Northern Ireland
Rathlin Castle or Bruce's Castle
Northern Ireland
Rattin Castle
Fife
Ravenscraig Castle
England
Ravensworth Castle
Quadrangular castle
Northern Ireland
Red Bay Castle
England
Red Castle
Castle
Highland
Redcastle or Castle Roy
East Lothian
Redhouse Castle
courtyard castle
Renfrewshire
Renfrew Castle
Dumfries and Galloway
Repentance Tower
Tower house
England
Restormel Castle
Shell keep
Wales
Rhuddlan Castle
England
Riber Castle
Sham castle
East Ayrshire
Riccarton Castle
England
Richmond Castle
Keep and bailey
England
Ripley Castle
Tower house
East Ayrshire
Robertland Castle
Tower
South Lanarkshire
Roberton Castle
Motte and bailey
Dumfries and Galloway
Robgill Tower
Tower house
Wales
Roch Castle
England
Rochester Castle
Tower keep
England
Rochford Tower
Fortified house
England
Rockingham Castle
Motte and bailey
England
Rose Castle
Quadrangular Castle
Midlothian
Roslin Castle
Keep & ranges
Fife
Rossend Castle
tower
Fife
Rosyth Castle
England
Rotherfield Greys Castle
Fortified manor house
Moray
Rothes Castle
Argyll and Bute
Rothesay Castle
Shell keep
Moray
Rothiemay Castle
England
Rougemont Castle (Exeter)
Castle
Northern Ireland
Roughan Castle
North Ayrshire
Roughwood Tower
Fortified tower
East Ayrshire
Rowallan Castle
England
Rowton Castle
Sham castle
Northern Ireland
Roxborough Castle
the Scottish Borders
Roxburgh Castle
England
Rufus Castle
Castle
Fife
Rumgally House
tower house
Wales
Ruperra Castle
Wales
Ruperra Motte
Dumfries and Galloway
Rusko Castle
Tower house
Stirling (council area)
Rusky Castle
Bastle
South Lanarkshire
Rutherglen Castle
Wales
Ruthin Castle
England
Rye Castle (Ypres Tower)
Tower House
Argyll and Bute
Saddell Castle
Tower house
England
Salcombe Castle
Artillery fort
East Lothian
Saltcoats Castle
Courtyard castle
East Lothian
Saltoun Hall or Castle
Elizabethan house
England
Saltwood Castle
Castle
England
Sandal Castle
Motte and bailey
England
Sandgate Castle
Artillery fort
England
Sandsfoot Castle
Artillery fort
Dumfries and Galloway
Sanquhar Castle
Courtyard castle
Clackmannanshire
Sauchie Tower
Tower house
England
Scaleby Castle
Tower house
Shetland
Scalloway Castle
England
Scarborough Castle
Keep and bailey
England
Scargill Castle
Tower house
England
Scotney Castle
Fortified manor house
Fife
Scotstarvit Tower
Highland
Scrabster Castle
12th century
North Ayrshire
Seagate Castle
Fortified townhouse
Northern Ireland
Shane's Castle
England
Sherborne Old Castle
Keep and bailey
England
Sheriff Hutton Castle
Quadrangular castle
North Ayrshire
Shewalton Castle
Fortified tower
England
Shilbottle Tower
Pele tower
England
Shirburn Castle
Quadrangular castle
England
Shortflatt Tower
Pele tower
England
Shrewsbury Castle
Castle
Highland
Sinclair & Girnigoe Castle
England
Sissinghurst Castle
Fortified manor house
England
Sizergh Castle
Tower house
Moray
Skeith Castle
North Ayrshire
Skelmorlie Castle
Tower
England
Skelton Castle
Castellated house
Wales
Skenfrith Castle
Northern Ireland
Sketrick Castle
Highland
Skibo Castle
Argyll and Bute
Skipness Castle
England
Skipsea Castle
Motte and Bailey
England
Skipton Castle
Castle
Aberdeenshire
Slains Castle
Tower house
the Scottish Borders
Smailholm Tower
East Lothian
Smeaton House
Courtyard castle
England
Snape Castle
Castle
England
Snodhill Castle
Keep and bailey
England
Someries Castle
Fortified manor house
Historic castle in Bedfordshire
England
Somerton Castle
Quadrangular castle
Dumfries and Galloway
Sorbie Tower
Tower house
East Ayrshire
Sorn Castle
Tower house
England
South Cowton Castle
Tower house
England
Southampton Castle
Keep and bailey
England
Southsea Castle
Artillery fort
England
Spofforth Castle
Fortified manor house
Moray
Spynie Palace
Fife
St Andrews Castle
England
St Catherine's Castle
Artillery fort
Wales
St Donat's Castle
Wales
St Fagans Castle
England
St Leonard's Tower, West Malling
Tower keep
Wales
St Quintins Castle
England
St. Briavel's Castle
Keep and bailey
England
St. Mawes Castle
Artillery fort
England
St. Michael's Mount
Fortified site
England
Stafford Castle
Motte and bailey
North Ayrshire
Stanecastle
Renfrewshire
Stanely Castle
West Lothian
Staneyhill Tower
Tower house
Dumfries and Galloway
Staplegorton Castle
Motte and Bailey
England
Star Castle
Artillery fort
England
Starkey Castle
Manor house
Northern Ireland
Stewart Castle
Stirling (council area)
Stirling Castle
England
Stogursey Castle
Motte and bailey
England
Stokesay Castle
Fortified manor house
England
Stone Castle
Tower
East Lothian
Stoneypath Tower
tower house
Northern Ireland
Stormont Castle
England
Stourton Castle
Castle
Northern Ireland
Strangford Castle
South Lanarkshire
Strathaven Castle
Tower house
West Lothian
Strathbrock Castle
Motte
Highland
Strome Castle
England
Sudeley Castle
Quadrangular castle
South Ayrshire
Sundrum Castle
England
Sutton Court
Fortified manor house
England
Sutton Valence Castle
Keep and bailey
Wales
Swansea Castle
England
Tamworth Castle
Shell keep
Northern Ireland
Tandragee Castle, or Tayto Castle.
East Lothian
Tantallon Castle
courtyard castle
Argyll and Bute
Tarbert Castle
South Lanarkshire
Tarbrax Castle
Highland
Tarradale Castle
West Lothian
Tartraven Castle
Unknown
England
Tattershall Castle
Tower
England
Taunton Castle
Shell keep
Perth and Kinross
Taymouth Castle
Highland
Teaninich Castle
East Ayrshire
Templehouse Fortalice
Wales
Tenby Castle
Aberdeenshire
Terpersie Castle
Z-plan tower house
East Ayrshire
Terringzean Castle, East Ayrshire
East Lothian
The Bass
curtain wall & keep
the Scottish Borders
Thirlestane Castle
England
Thirlwall Castle
Tower house
South Ayrshire
Thomaston Castle
England
Thornbury Castle
Fortified house
England
Thorpe Waterville Castle
Castle
Dumfries and Galloway
Threave Castle
Tower house
England
Thurland Castle
Fortified manor house
Dumfries and Galloway
Tibbers Castle or Mote de Tibris
Motte and bailey
England
Tickhill Castle
Motte and bailey
Aberdeenshire
Tillyhilt Castle
Northern Ireland
Tinnahinch Castle
England
Tintagel Castle
Twin bailey
England
Tiverton Castle
Quadrangular castle
Aberdeenshire
Tolquhon Castle
Courtyard castle
England
Tonbridge Castle
Keep and bailey
England
Toppin Castle
Sham castle
Highland
Tor Castle
Tower house
Moray
Tor Castle, Dallas
England
Torksey Castle
Semi-fortified house
Argyll and Bute
Torosay Castle
Baronial house
Argyll and Bute
Torrisdale Castle
Dumfries and Galloway
Torthorwald Castle
Oblong plan tower house
Falkirk (council area)
Torwood Castle
England
Totnes Castle
Shell keep
Argyll and Bute
Toward Castle
Tower house, later additions
South Lanarkshire
Tower of Hallbar
Tower house
Perth and Kinross
Tower of Lethendy
England
Tower of London
Concentric castle
East Ayrshire
Trabboch Castle
L-plan Tower House
East Lothian
Tranent Tower
Tower house
the Scottish Borders
Traquair House
fortified house
England
Treago Castle
Fortified manor house
Wales
Tregrug Castle
Wales
Trellech Castle
England
Trematon Castle
Shell keep
Wales
Tretower Castle
Moray
Tronach Castle
Perth and Kinross
Tullibole Castle
West Dunbartonshire
Tullichewan Castle
Castellated house
Highland
Tulloch Castle
Northern Ireland
Tully Castle
Northern Ireland
Tullynally Castle
South Ayrshire
Turnberry Castle
Aberdeenshire
Turriff Castle
England
Turton Tower
Pele tower
the Scottish Borders
Tushielaw Tower
Tower house
England
Tutbury Castle
Motte and bailey
Wales
Twthill, Rhuddlan
England
Tynemouth Castle
Enclosure castle
Northern Ireland
Tyrrellspass Castle
England
Ubarrow Hall
Pele tower
Aberdeenshire
Udny Castle
Tower house
England
Upnor Castle
Artillery fort
Wales
Upton Castle
Highland
Urquhart Castle
Wales
Usk Castle
Shetland
Vaila Tower or Mucklaberry Tower
Highland
Varrich Castle
the Scottish Borders
Venlaw
England
Walden Castle
Keep and bailey
the Scottish Borders
Wallace's Tower
L-plan castle
England
Wallingford Castle
Motte and bailey
England
Walmer Castle
Artillery fort
Northern Ireland
Walshestown Castle
England
Walton Castle
Sham castle
England
Walworth Castle
Sham castle
Aberdeenshire
Wardhill Castle
Aberdeenshire
Wardhouse Castle
Tower house
England
Warkworth Castle
Keep and bailey
England
Warwick Castle
Castle
England
Watermouth Castle
Neo-romantic castle
Aberdeenshire
Waterton Castle
Tower house
England
Wattlesborough Castle
Castle
Dumfries and Galloway
Wauchope Castle
Motte and bailey / Tower house / Manse
East Lothian
Waughton Castle
the Scottish Borders
Wedderburn Castle
England
Weeting Castle
Fortified manor house
England
Wells Bishop's Palace
Fortified palace
Fife
Wemyss Castle
Historic House
Wales
Weobley Castle
England
West Cowes Castle
Artillery fort
England
Westenhanger Castle
Fortified manor house
Aberdeenshire
Westhall Castle
L-plan tower house
England
Wharton Hall
Fortified manor house
Wales
White Castle
England
Whitehall Pele Tower
Tower house
the Scottish Borders
Whitslaid Tower
East Lothian
Whittingehame Tower
keep
England
Whittingham Tower
Pele tower
England
Whittington Castle
Keep and bailey
England
Whitton Tower
Pele tower
England
Whorlton Castle
Castle
England
Wigmore Castle
Keep and bailey
Dumfries and Galloway
Wigtown Castle
England
Willimoteswick Castle
Fortified manor house
England
Wilton Castle
Neo-romantic castle
England
Winchester Castle
Motte and bailey
England
Windsor Castle
Keep and bailey
Historic castle in Berkshire
England
Wingfield Castle
Castle
England
Wingfield Manor
Fortified manor house
Wales
Wiston Castle
England
Witton Castle
Castle
Wales
Wolf's Castle
England
Wolvesey Castle
Castle
England
Woodcroft Castle
Quadrangular castle
Historic castle in Cambridgeshire
England
Woodsford Castle
Fortified manor house
England
Worcester Castle
Castle
England
Workington Hall
Tower house
England
Wray Castle
Neo-romantic castle
Cumbria
Wraysholme Tower
Tower house
Dumfries and Galloway
Wreaths Tower
tower house
England
Wressle Castle
Quadrangular castle
England
Yanwath Hall
Pele tower
England
Yarmouth Castle
Artillery fort
East Lothian
Yester Castle
Castle & keep