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Certain |
Probable |
Questionable or Doubtful |
Rejected |
|
Confidence is a statement of the site as a medieval fortification or palace | ||||
| Name | Alternative Name(s) | County | Remains | Caer Gybi, Holyhead | Treffynnon | Anglesey | major building |
| Caldy, St Marys Priory | Caldey Priory; Ynys Pir; Ynys Pyr; Ynys Byr | Pembrokeshire | major building |
| Ewenny Priory | Ewenni; Wenny | Glamorgan | major building | Llangyfelach Church of St David and St Cyfelach | Glamorgan | major building | Oystermouth Church of All Saints | Glamorgan | major building |
| St Davids Cathedral Close | Porth-y-twr | Pembrokeshire | major building |
| Bishopton Church of St Teilo | Glamorgan | major building | |
| Cheriton Church of St Cadog | Glamorgan | major building | |
| Ilston Church of St Illtyd | Glamorgan | major building | |
| Kerry Church of St Michael and All Angels | Ceri | Montgomeryshire | major building |
| Llanddewi Church of St David | Glamorgan | major building | |
| Llangenydd Church of St Cenydd | Glamorgan | major building | |
| Llanmadoc Church of St Madoc | Glamorgan | major building | |
| Llanrhidian Church of St Rhidian and St Illtyd | Glamorgan | major building | |
| Old Radnor Church of St Stephen | Radnorshire | major building | |
| Oxwich Church of St Illtyd | Glamorgan | major building | |
| Pennard Church of St Mary | Pennard Burrows Church | Glamorgan | masonry footings |
| Penrice Church of St Andrew | Glamorgan | major building | |
| Rhossili Church of St Mary the Virgin | Glamorgan | masonry ruins/remnants |
