Certain |
Possible |
Questionable Doubtful |
Rejected |
|
Confidence is a statement of the site as a medieval fortification or palace |
| Name | Alternative Name(s) | Type | Remains |
| Aberafan Castle | Aber Afan; Aberavon; Beili y Castell; Bailey Castle; Baily'r castell | Masonry Castle Timber Castle |
Nothing visible |
| Aberafan Town Walls | Urban Defence | Nothing visible | |
| Alltygawrddu | Allt-Y-Gawrddu; St Cawrdaf's Monastry | Masonry Castle | Masonry ruins/remnants | Barons Court, Cogan Pill | Uncertain | Uncertain |
| Barry Castle | Fortified Manor House | Masonry ruins/remnants | Bauzans Castle | Breigan Castle; Brigam; Brigan | Masonry Castle Timber Castle |
Uncertain |
| Beauville Castle | Bove Hill; Bouville; Bovill | Fortified Manor House | Masonry footings |
| Bedford Castle | Timber Castle | Earthworks | |
| Berry Wood Earthwork | Timber Castle | Nothing visible | |
| Biglis Old Court | Bugeleys; the courte of Vygles; Shepherd's Court | Fortified Manor House | Nothing visible | Bishopston, Gower manor of Bishop of Llandaff | Palace | Masonry ruins/remnants | Bishopton Church of St Teilo | Fortified Ecclesiastical site | Major |
| Bishopton Old Castle, Barland | Old Castleton Bishopton; Old Castle Camp; Barland Castle; Bishopston | Timber Castle | Uncertain |
| Bovehill Castle, Landimore | Cheriton; Landymore; Landimor | Fortified Manor House | Masonry ruins/remnants |
| Boverton Place, Llantwit Major | Bertown | Fortified Manor House | Nothing visible |
| Brigam Farm | Breigam | Masonry Castle Timber Castle |
Nothing visible | Briton Ferry Motte | Hen Gastell | Timber Castle | Earthworks |
| Brocastle | Llangan | Timber Castle | Nothing visible |
| Brynwell Leckwith, Beganston | Berganston | Timber Castle | Earthworks |
| Burry Hall, Port Eynon | Bury Hall; Berry Wood | Timber Castle | Nothing visible | Cadoxton Court, Barry | Fortified Manor House | Masonry foundations | Cae Castell, Llechart | Rhyndwyclydach; Nant Llwydyn | Timber Castle | Earthworks |
| Cae Garn Earthworks 1 | Pant Glas Tower | Uncertain | Uncertain |
| Cae Garn Earthworks 2 | Pant Glas Tower | Uncertain | Uncertain | Caer Dynnaf, Llygod Old Castle | Old Llanbeddian; Llanblethian Castle; Llanblethian Hill; St Quintin's | Masonry Castle Timber Castle Fortified Manor House |
Earthworks |
| Caerau Castle | Kayre; Cayre | Timber Castle Urban Defence |
Earthworks |
| Caerphilly Castle | Caerfilly; Caerffili; Castell Caerfilli-Crynodeb | Masonry Castle | Major | Caerphilly Town Walls | Urban Defence | Nothing visible |
| Candlestone Castle | Tregawntlo | Fortified Manor House | Major |
| Cardiff Castle | Caerdydd; Caerdiff; Caerdyf; Kidis; Kerdif | Masonry Castle Timber Castle |
Major |
| Cardiff Town Walls | Caerdydd; Kidis; Kerdif | Urban Defence | Nothing visible |
| Castell Coch | Rubeum Castrum | Masonry Castle Timber Castle |
Masonry ruins/remnants |
| Castell Coch, Welsh St Donats | Castell y Marchog; Castell Sion Goodfellow; Knight's Castle | Fortified Manor House | Uncertain | Castell Gwern | Uncertain | Nothing visible |
| Castell Morlais, Porthcawl | Sker | Uncertain | Nothing visible | Castell Nos, Aberdare | Castelle Nose | Timber Castle | Earthworks |
| Castell Tal y Fan | Talavan; Tallaunt; Talyfan Castle | Masonry Castle Timber Castle |
Masonry foundations |
| Castell y Mynach, Creigiau | Monk's Castle | Fortified Manor House | Nothing visible |
| Castle, Gowerton | Uncertain | Nothing visible | Castleton, St Athan | Masonry Castle | Masonry ruins/remnants |
| Cefn Mably | Cefnmabli | Uncertain | Nothing visible | Cheriton Church of St Cadog | Fortified Ecclesiastical site | Major | Cil Ifor Top, Llanrhidian | Cil Ivor Camp | Timber Castle | Earthworks |
| Coed y Cwm, St Nicholas | Timber Castle | Earthworks | |
| Coity Castle | Coyty; Coety | Masonry Castle Timber Castle |
Major | Coity Castle Seigeworks | Coyty | Siege Work | Earthworks | Cosmeston Castle | Coed y Cwm | Uncertain | Earthworks | Cottrell House | Uncertain | Nothing visible | Cottrell Motte | Cottrell Park Motte | Timber Castle Siege Work |
Earthworks |
| Counsel Tut, Cowbridge | Council Twt | Timber Castle | Uncertain |
| Cowbridge Town Walls | Y Bont-faen | Urban Defence | Major |
| Craig Ruperra Motte | Castell Breiniog; Castell y ddraenen; Coed Craig Ruperra; Castell Breiniol; Remmi; Remni | Timber Castle | Earthworks |
| Craig Ty Isaf Camp | Timber Castle | Earthworks | |
| Crawley Rocks Fort, Nicholaston | Uncertain Timber Castle |
Earthworks | |
| Crege Castle | Craige; Creigiau | Masonry Castle | Nothing visible |
| Creigiau Earthwork | Timber Castle | Uncertain | Culver Hole | Culvers Hole; Smugglers' Hole | Pele Tower | Masonry ruins/remnants | Cwm Clais, Castell Bolan | Baglan; Cwm Glais | Masonry Castle Timber Castle |
Earthworks |
| Cwrt y Vil Castle, Penarth | Canon Court | Fortified Manor House | Masonry foundations |
| Dinas Powys Castle | Dinas Powis | Masonry Castle | Masonry ruins/remnants |
| Dinas Powys Ringwork | Cwm George Camp; Cwrt-yr-ala | Timber Castle | Earthworks |
| Doghill, Dyffryn | Worleton; Dog Hill | Fortified Manor House | Masonry foundations | Dunraven Castle | Fortified Manor House | Nothing visible |
| East Orchard Castle | Norchete Manor | Fortified Manor House | Masonry ruins/remnants |
| Ewenny Priory | Ewenni | Fortified Ecclesiastical site | Major |
| Felin Isaf Motte, Llantrisant | Timber Castle | Earthworks | |
| Flemingston Court | Flemingston Castle | Fortified Manor House | Major |
| Fonmon Castle | Masonry Castle | Masonry ruins/remnants | |
| Gadlys, Llanilid | Timber Castle | Earthworks | |
| Garn Defended Homestead | Uncertain | Nothing visible | |
| Gelli Garn Castle | Masonry Castle Timber Castle |
Uncertain | |
| Gelli Garn Ringwork | St Mary Hill; Hill House | Timber Castle | Earthworks |
| Glyn Castle | Clun y Castell; Soflen | Timber Castle | Earthworks |
| Gnoll | Uncertain | Nothing visible | |
| Granvilles Castle, Neath | Neath Motte; Castell-nedd | Timber Castle | Nothing visible |
| Gwern y Domen | Domen Bedwas, Van Castle | Timber Castle | Earthworks |
| Hen Gastell, Llanrhidian Higher | Hen Castell; Dan-y-lan Camp; Pen-clawdd | Timber Castle | Uncertain |
| Hensol Castle | Uncertain | Nothing visible | |
| Horgrove Enclosure | Timber Castle | Uncertain | Howe Mill Enclosure | How Mill; St Mary's Castle | Timber Castle | Earthworks |
| Hughs Castle, Llandeilo Talybont | Tal y Bont; Castell Du; Castle Hu; Banc y Rhyfel; Talybonet in Gower | Timber Castle | Earthworks | Ilston Church of St Illtyd | Fortified Ecclesiastical site | Major |
| Kenfig Castle | Kengfig; Kinefeage | Masonry Castle Timber Castle |
Masonry foundations |
| Kenfig Town Defences | Urban Defence | Uncertain | Kings Castle | Castell Breiniol | Uncertain | Uncertain |
| Kings Castle, Canton | Fortified Manor House | Nothing visible | |
| Kittle Top, Penrice | Timber Castle | Cropmarks/slight earthworks | |
| Leason | Leyston | Timber Castle | Earthworks |
| Liege Castle, Castell Moel | Leeeh; Leeds; Castra Legionis; Leehe; Lache; Leche; Lechcastle; Lachecastle | Fortified Manor House | Earthworks | Llandaff Archdeacons Castle | Masonry Castle Fortified Manor House |
Cropmarks/slight earthworks |
| Llandaff Bishops Palace | Palace Masonry Castle |
Major | Llanddewi Castle, Port Eynon | Masonry Castle Palace |
Nothing visible | Llanddewi Church of St David | Fortified Ecclesiastical site | Major |
| Llanddewi Enclosure, Port Eynon | Timber Castle | Earthworks | |
| Llandough Castle, Llanfair | Tower House | Masonry ruins/remnants | Llandough juxta Penarth | Llandochau | Uncertain | Uncertain | Llandow Castle | Timber Castle | Cropmarks/slight earthworks |
| Llangennith Castle, Barraston | Masonry Castle | Uncertain | Llangenydd Church of St Cenydd | Fortified Ecclesiastical site | Major | Llangewydd Castle, Laleston | Llangenydd | Timber Castle | Nothing visible | Llangyfelach Church of St David and St Cyfelach | Fortified Ecclesiastical site | Major |
| Llangynwyd Castle | Tir yr Iarll; Castell Coch; Llangwynyd; Llangennydd; Llangeneu | Masonry Castle Timber Castle |
Masonry foundations |
| Llanilid Castle | Timber Castle | Earthworks | Llanmadoc Church of St Madoc | Fortified Ecclesiastical site | Major |
| Llanquian Castle | Masonry Castle Timber Castle |
Masonry foundations | Llanrhidian Church of St Rhidian and St Illtyd | Fortified Ecclesiastical site | Major |
| Llantrisant Castle | Timber Castle Masonry Castle |
Masonry ruins/remnants | |
| Llantrithyd Camp | Llantrithyd House; Llantrythyd Ringwork | Timber Castle | Masonry foundations |
| Llantrithyd Ringwork | Llantrythyd Ringwork; Llantrythyd Moat; Llantrithyd Castle; Llanthrithyd | Timber Castle | Earthworks |
| Llantwit Major Bishops Palace | Llantwyt | Palace | Earthworks |
| Llantwit Major Tower | Uncertain | Earthworks | Llwdarth | Llwydarth | Uncertain | Uncertain |
| Loughor Castle | Aberllwchwr; Casllwchwr; Lochor | Masonry Castle Timber Castle |
Masonry ruins/remnants | Loughor Town Defences | Urban Defence | Nothing visible |
| Madocs Castle | Castell Madog; Garth | Fortified Manor House | Masonry ruins/remnants |
| Maes Hywaid Motte, Welsh St Donats | Timber Castle | Earthworks | Malefant Castle, Llanmaes | Malifant; Malefaunt; Malefunt; Llanfaes; Llanuais; Bedford | Tower House | Masonry foundations |
| Marcross Castle | Fortified Manor House | Masonry ruins/remnants | |
| Marsh House, East Aberthaw | Uncertain | Major | Middlecross Ringwork, Llancarfan | Crosstown; Pancross | Timber Castle | Cropmarks/slight earthworks |
| Moel Garn, Llangeinwyr | Uncertain | Earthworks | |
| Morganstown Motte | Tongwynlais | Timber Castle | Earthworks |
| Morgraig Castle | Castell Mor Graig | Masonry Castle | Masonry foundations |
| Morlais Castle | Castell Morlais | Masonry Castle | Masonry foundations |
| Moulton Castle | Masonry Castle Fortified Manor House |
Nothing visible | |
| Mound, Llansamlet | Mynydd Drumau | Timber Castle | Earthworks |
| Mount Vernon Motte | Vernon House | Timber Castle | Earthworks |
| Mountyborough, Old Penrice Castle | Mounty Bank; Mounty Brough | Timber Castle | Earthworks |
| Mynydd Y Fforest Earthwork | Timber Castle | Earthworks | |
| Nash Mound | Timber Castle | Earthworks | |
| Nash Point Old Castle | Nash Point Camp | Timber Castle | Earthworks |
| Neath Castle | Castell-nedd; Neth | Masonry Castle Timber Castle |
Masonry ruins/remnants | Neath Town Walls | Urban Defence | Nothing visible |
| Newcastle Bridgend Castle | Masonry Castle Timber Castle |
Major | |
| Nicholaston Castle | Masonry Castle | Nothing visible | North Cornelly; The Hall | Corneli | Tower House | Masonry ruins/remnants | North Hill Tor, Cheriton | Timber Castle | Earthworks | Norton Camp, Oxwich | Timber Castle | Earthworks |
| Ogmore Castle | Castle of William of London; William de Londres | Masonry Castle Timber Castle |
Masonry ruins/remnants | Old Beaupre Castle | Bewpyr; Beawpire; Y Bewpur; Bewerpere | Fortified Manor House | Major |
| Old Castle upon Alun | Castle upon Alen | Uncertain | Uncertain |
| Old Cogan Hall Farm | Uncertain | Uncertain | |
| Old Henllys Moat, Llanddewi | Fortified Manor House | Nothing visible | |
| Oldcastle Bridgend | Nolton | Timber Castle | Nothing visible |
| Oxwich Castle | Oxwick | Fortified Manor House | Major | Oxwich Church of St Illtyd | Fortified Ecclesiastical site | Major | Oxwich Tower | Oxwick | Masonry Castle | Masonry footings |
| Oystermouth Castle | Ystum Llwynarth; Ostrelaf | Masonry Castle Timber Castle |
Major | Oystermouth Church of All Saints | Fortified Ecclesiastical site | Major |
| Park Mill, Ilston | Liston | Timber Castle | Cropmarks/slight earthworks |
| Pen y Castell, Cynnig | Kibor Castle; Castellum Kibur: Castelstude | Timber Castle | Earthworks |
| Penller Castell | Penllyr; New Castle in Gower; Penlle'r Castell | Timber Castle | Earthworks |
| Penllyn Castle | Penlline; Penllin | Masonry Castle | Masonry ruins/remnants |
| Penmaen Burrows Ringwork | Castle Tower | Timber Castle | Earthworks |
| Penmark Castle | Penmarc | Masonry Castle Timber Castle |
Masonry ruins/remnants |
| Penmark Place | Penmarc | Fortified Manor House | Masonry ruins/remnants | Penmark Village Defences | Urban Defence | Cropmarks/slight earthworks |
| Pennard Castle | Penard; Penarth | Masonry Castle Timber Castle |
Masonry ruins/remnants | Pennard Church of St Mary | Pennard Burrows Church | Fortified Ecclesiastical site | Masonry footings |
| Penrice Castle | Masonry Castle Timber Castle |
Masonry ruins/remnants | Penrice Church of St Andrew | Fortified Ecclesiastical site | Major |
| Peterston Castle | Masonry Castle | Masonry ruins/remnants | |
| Plas Baglan | Castell y wiryones | Masonry Castle | Masonry foundations | Port Eynon Castle | Masonry Castle | Nothing visible |
| Porthkerry Castle | Masonry Castle | Nothing visible | |
| Reynoldston Camp | Reynoldstone | Timber Castle | Earthworks |
| Rhoose Old Castle | Fortified Manor House | Nothing visible | Rhossili Church of St Mary the Virgin | Fortified Ecclesiastical site | Masonry ruins/remnants | Rhuthyn | Uncertain | Uncertain |
| Roath Dogfield | Roath Court; Roath Dogfilde | Timber Castle | Nothing visible | Rulam | Uncertain | Uncertain |
| Ruperra Castle | Rhiwperra Castle | Masonry Castle | Major |
| Ruthin Castle, St Mary Hill | Uncertain | Nothing visible | Salt House, Port Eynon | Fortified Manor House | Masonry foundations |
| Scurlage Castle, Port Eynon | Llanddewi | Uncertain | Nothing visible |
| Scurlage Castle, Trecastell | Scurla Castle; Trecastle; Treer; Scorlayges Kaestel | Fortified Manor House | Earthworks |
| Silverwood Castle, Oystermouth | Masonry Castle | Uncertain | |
| Soldiers Grave, Bonvilston | Timber Castle | Earthworks | |
| St Donats Castle | Masonry Castle Timber Castle |
Masonry ruins/remnants | |
| St Fagans Castle | Masonry Castle Timber Castle |
Masonry ruins/remnants | St Georges Castle | Masonry Castle | Masonry foundations |
| St Lythans Ringwork | Coednant Bran | Timber Castle | Earthworks |
| St Quentins Castle, Llanblethian | St Quintins; Caer Dynnaf; Cowbridge | Masonry Castle | Major |
| Stormy Castle, Barraston | Masonry Castle | Masonry footings | |
| Stormy Castle, Cheriton | Uncertain | Nothing visible | Stormy Castle, Cynnig | Tythegston Higher; Sturmieston; villa sturmi | Timber Castle | Earthworks | Stout Hall, Reynoldston | Stout Walls; Stouthall | Uncertain | Nothing visible |
| Sully Castle | Fortified Manor House Timber Castle Masonry Castle |
Nothing visible | |
| Swansea Castle | New Castle; Abertawe; Seinhenydd; Gower; Goher; Sueineshea; Suenesel | Masonry Castle Palace Timber Castle |
Masonry ruins/remnants |
| Swansea Town Walls | Abertawe; Seinhenydd; Sueineshea; Suenesel; Swinesey | Urban Defence | Masonry foundations |
| Swansea; The Mount | Timber Castle | Nothing visible | |
| Sweldon | Uncertain | Cropmarks/slight earthworks | |
| Tomen y Clawdd, Llantwit Fardre | Llantwit Vaerdre; Coed y Twr | Timber Castle | Earthworks |
| Tongwynlais alleged motte | Eglwysilan | Timber Castle | Earthworks | Tregawnll | Uncertain | Uncertain |
| Treoda, Whitchurch | Tre Oda; Album Monasterium; Blank Mouster; Kibor; Castellum Kibur | Timber Castle Masonry Castle |
Cropmarks/slight earthworks |
| Twmpath Motte, Rhiwbina | Whitchurch, Caer Cynwrig | Timber Castle | Earthworks |
| Twyn Castell, Gelligaer | Cadwallon | Timber Castle | Earthworks |
| Twyn Llewelyn Mound A | Timber Castle | Earthworks | |
| Twyn Llewelyn Mound B | Timber Castle | Earthworks | Ty Du, Pendoylan | Timber Castle | Earthworks | Tythegston Court | Tower House | Uncertain |
| Vianshill, St Lythans Down | Timber Castle | Earthworks | |
| Wallston Castle | Masonry Castle | Nothing visible | Walterston Castle | Timber Castle Urban Defence |
Earthworks | Wenvoe Castle | Fortified Manor House Masonry Castle |
Nothing visible |
| Weobley Castle | Leyshanston | Fortified Manor House | Major |
| West Orchard Manor House | Fortified Manor House Masonry Castle |
Masonry footings | Witley | Uncertain | Uncertain | Wrinstone Castle | Grenestone | Masonry Castle | Nothing visible |
| Y Gaer, St Nicholas | Cottrell Ringwork; Coed y Cwm | Timber Castle | Earthworks |
| Ynysawdre Mound, St Brides Minor | Timber Castle | Earthworks | Ynyscrug Castle, Trealaw | Rhondda; Ynys y Crug; Hangman's Hill; Gibbet Hill; Tonypandy | Timber Castle | Cropmarks/slight earthworks |
| Ysgubor Wen Motte | Timber Castle | Earthworks | |
| Ystradowen Motte | Druids Grove | Timber Castle | Earthworks |