Certain |
Possible |
Questionable Doubtful |
Rejected |
|
Confidence is a statement of the site as a medieval fortification or palace |
| Name | Alternative Name(s) | County | Remains |
| Tregarnedd, Llangefni | Anglesey | Uncertain | |
| Hen Castell, Llangattock | Hen Gastell | Brecknockshire | Earthworks |
| Porthamal Tower | Porthamel; Porthamael; Great Porthaml | Brecknockshire | Masonry ruins/remnants |
| Tretower Court | Brecknockshire | Major | Rheidol Castle | Plas Crug | Cardiganshire | Nothing visible | Abermarlais Castle | Carmarthenshire | Nothing visible | Castell Moel Manor House, Llangain | Greencastle; Humphreys Castle; Castle Mole | Carmarthenshire | Masonry ruins/remnants |
| Llangathen Castle | Allt y Gaer | Carmarthenshire | Masonry ruins/remnants |
| Roche Castle | Macrels | Carmarthenshire | Masonry foundations | Llys Edwin, Northop | Flintshire | Masonry foundations |
| Northop Hall Farm | Llyseurgain | Flintshire | Major |
| Barry Castle | Glamorgan | Masonry ruins/remnants | |
| Beauville Castle | Bove Hill; Bouville; Bovill | Glamorgan | Masonry footings |
| Biglis Old Court | Bugeleys; the courte of Vygles; Shepherd's Court | Glamorgan | Nothing visible |
| Bovehill Castle, Landimore | Cheriton; Landymore; Landimor | Glamorgan | Masonry ruins/remnants |
| Boverton Place, Llantwit Major | Bertown | Glamorgan | Nothing visible | Cadoxton Court, Barry | Glamorgan | Masonry foundations | Caer Dynnaf, Llygod Old Castle | Old Llanbeddian; Llanblethian Castle; Llanblethian Hill; St Quintin's | Glamorgan | Earthworks |
| Candlestone Castle | Tregawntlo | Glamorgan | Major |
| Castell Coch, Welsh St Donats | Castell y Marchog; Castell Sion Goodfellow; Knight's Castle | Glamorgan | Uncertain |
| Castell y Mynach, Creigiau | Monk's Castle | Glamorgan | Nothing visible |
| Cwrt y Vil Castle, Penarth | Canon Court | Glamorgan | Masonry foundations |
| Doghill, Dyffryn | Worleton; Dog Hill | Glamorgan | Masonry foundations | Dunraven Castle | Glamorgan | Nothing visible |
| East Orchard Castle | Norchete Manor | Glamorgan | Masonry ruins/remnants |
| Flemingston Court | Flemingston Castle | Glamorgan | Major |
| Kings Castle, Canton | Glamorgan | Nothing visible | |
| Liege Castle, Castell Moel | Leeeh; Leeds; Castra Legionis; Leehe; Lache; Leche; Lechcastle; Lachecastle | Glamorgan | Earthworks | Llandaff Archdeacons Castle | Glamorgan | Cropmarks/slight earthworks |
| Madocs Castle | Castell Madog; Garth | Glamorgan | Masonry ruins/remnants |
| Marcross Castle | Glamorgan | Masonry ruins/remnants | |
| Moulton Castle | Glamorgan | Nothing visible | Old Beaupre Castle | Bewpyr; Beawpire; Y Bewpur; Bewerpere | Glamorgan | Major |
| Old Henllys Moat, Llanddewi | Glamorgan | Nothing visible | |
| Oxwich Castle | Oxwick | Glamorgan | Major |
| Penmark Place | Penmarc | Glamorgan | Masonry ruins/remnants |
| Rhoose Old Castle | Glamorgan | Nothing visible | Salt House, Port Eynon | Glamorgan | Masonry foundations |
| Scurlage Castle, Trecastell | Scurla Castle; Trecastle; Treer; Scorlayges Kaestel | Glamorgan | Earthworks |
| Sully Castle | Glamorgan | Nothing visible | Wenvoe Castle | Glamorgan | Nothing visible |
| Weobley Castle | Leyshanston | Glamorgan | Major |
| West Orchard Manor House | Glamorgan | Masonry footings | Owain Glyndwrs House | Glyndyfrdwy | Merioneth | Earthworks | Moynes Court | Monmouthshire | Masonry ruins/remnants |
| Runston Manor House | Monmouthshire | Masonry foundations | Plas yn Dinas, Llansantffraid | Montgomeryshire | Earthworks | Boulston Manor | Pembrokeshire | Masonry ruins/remnants | Cresswell Castle Mansion | Pembrokeshire | Masonry ruins/remnants |
| Dale Castle | The Castle | Pembrokeshire | Masonry ruins/remnants |
| Eastington Manor House | Jestynton; Rhoscrowther; Keeston | Pembrokeshire | Masonry ruins/remnants | Haroldston Mansion | Pembrokeshire | Masonry ruins/remnants |
| Lydstep Old Palace | Pembrokeshire | Major | |
| Newhouse, Castell Coch | Newton; Red Castle | Pembrokeshire | Masonry ruins/remnants |