A comprehensive gazetteer and bibliography of the medieval castles, fortifications and palaces of England, Wales and the Islands.
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Distribution map of medieval fortifications and palaces in Wales

List of Medieval Palaces in Wales

A fundamentally domestic building of a high status person usual a member of the royal family, welsh prince or a bishop (This listing does not usually include palaces of non-royal nobles or of Abbots). Usually more elaborate that a fortified manor but a small bishops palace, such as the one at Lyddington might be quite modest compared to a large fortified manor. All these high status building had some defences, if only to keep out thieves, but were probably not seen, even by the contemporary people, as being military buildings. Included in this listing, are royal hunting lodges. These could vary from sizable buildings, even castles, with courts and gaols to simple timber building providing short term accommodation.

See also the list of castles (castell) and palaces (llys) of the Welsh Princes
See also the list of bishops palaces by episcopal see.
Questionable or Doubtful
Confidence is a statement of the site as a medieval palace


Name Alternative Name(s) County Remains
Aber Castle - Pen-y-Mwd and Ty'n-y-Mwd llys Abermenai; Mwd Castle; Abergwyngregyn; Llan Boduan; Bangor Caernarfonshire earthwork
Aberffraw llys and motte Anglesey earthwork
Abergwili manor of Bishop of St Davids Carmarthenshire no visible
Bangor Bishops Palace Caernarfonshire masonry ruins/remnants
Bishopston, Gower manor of Bishop of Llandaff Glamorgan masonry ruins/remnants
Bishton Castle Lankes Castle; Lanckiscastle; Bishopston Monmouthshire cropmark/slight earthwork
Bronllys Castle Brunless; Brenles; Brynllys; Brendlais Brecknockshire major building
Bryn Castell, Caerhun Tal Y Cafn; Castell Maelgwn Caernarfonshire earthwork
Cae Llys, Rhosyr Llys Rhosyr Anglesey earthwork
Caernarfon Castle Caernarvon; Carnarvon Caernarfonshire major building
Caernarfon manor of Bishop of Bangor Caernarfonshire no visible
Caerphilly Castle Caerfilly; Caerffili; Castell Caerfilli-Crynodeb; Kerfily; Kaerfilly; Sengenneth Glamorgan major building
Carew Castle Castell Caeriw; domum de Carrio; Carieu Pembrokeshire major building
Carreg Cennen Castle Caer Cynan; Karekenyl Carmarthenshire major building
Castell Prysor Cwm Prysor Merioneth earthwork
Castle Arnold, Llangattock nigh Usk Castle Arnault; Castell Arnallt; Castell Ernallt; Castro Arnaldi Monmouthshire cropmark/slight earthwork
Conwy Castle Conway; Aberconwy Caernarfonshire major building
Cwrt Llechrhyd, Llanelwedd Cwrt Llechryd Radnorshire earthwork
Dinas Emrys Castle Caernarfonshire masonry footings
Doghill, Dyffryn Worleton; Dog Hill Glamorgan masonry footings
Dolbenmaen Castle Tomen; Plas Dolbenmaen Caernarfonshire earthwork
Domen Ddreiniog, Llanegryn Tomen Ddreiniog; Thorny Motte; Tal y Bont; Talybont Merioneth earthwork
Edern manor of Bishop of Bangor Caernarfonshire no visible
Gogarth Abbey, Great Orme Gogarth Grange Caernarfonshire masonry footings
Harlech Castle Arlech; Hardelowe Merioneth major building
Harold's House, Portskewett Monmouthshire earthwork
Kidwelly Castle Cydweli; castellum de Cadweli; castelli de Kadweli Carmarthenshire major building
Lamphey Bishops Palace Lamphey Court; Lanfey Pembrokeshire masonry ruins/remnants
Llanallgo manor of Bishop of Bangor Anglesey no visible
Llandaff Bishops Palace Glamorgan major building
Llanddew Palace Llanthew Castle; Lannedeu Brecknockshire masonry footings
Llanddewi Castle, Port Eynon Glamorgan no visible
Llanddywy manor of Bishop of St Davids Llanddewi Cardiganshire no visible
Llandegla manor of Bishop of St Asaph Denbighshire no visible
Llawhaden Castle Llanyhadein; Lauwadein; Lanwadein; Llanwhadein; Lawhaden; Lahaden Pembrokeshire major building
Llys Euryn Denbighshire masonry ruins/remnants
Llyssun Motte Llysin; Llyssin; Llanerfyl; Llyslun; Llynssyn Montgomeryshire earthwork
Mathern Bishops Palace Monmouthshire masonry ruins/remnants
Parc Castell, Scleddau Castell Fartin; Maenorowen; Castlemartin; Manorowen Pembrokeshire earthwork
Pen Llys Ringwork Llysdinam Brecknockshire earthwork
Roft Motte The Rofft; Rofft Mount; The Rofts; Marford; Hoseley; Hodesley; Bromfield; castellum de Bromfeld Flintshire cropmark/slight earthwork
St Asaph Bishop's Palace Flintshire masonry footings
St Davids Bishops Palace Pembrokeshire major building
Tomen Las Castle Mound, Pennal Y Domen Las; Towyn Merioneth earthwork
Tomen y Bala, Bala Merioneth earthwork
Tomen y Mur, Maentwrog Mur Castell; Heririmons Merioneth earthwork
Treffos manor of Bishop of Bangor Anglesey no visible
Trefriw Treurewe; Trevriw Caernarfonshire no visible
Trevine Bishops Palace Trefine; Trefin; Trêvin;Trêvdyn Pembrokeshire no visible
Twthill, Old Rhuddlan Castle Toothill; Tut Hill; Bonc Hill; Roelent; Roeland Flintshire earthwork
Twyn Castell, Gelligaer Cadwallon Glamorgan earthwork
Y Castell, Llys y Fran Llysyfran Pembrokeshire no visible
Ystrad Meurig Castle Henblas; Meyric Cardiganshire masonry footings
Danylan Mound, Llyswen Brecknockshire earthwork
Erw'r Castell Mound, Caerwys Flintshire uncertain
Knucklas Castle Cnwclas; Conoclas; Knokelace Radnorshire earthwork
Llanbister Palace Placename White Walls Radnorshire masonry ruins/remnants
Llantwit Major Bishops Palace Llantwyt Glamorgan earthwork
Llystroyddyn Carmarthenshire no visible
Lydstep Old Palace Lis Castle Pembrokeshire major building
Meliden manor of Bishop of St Asaph Flintshire no visible
Neuadd Wen Mound Siambr ddu Montgomeryshire uncertain
Pen-y-bryn, Aber Twr Llewelyn; Llewelyn's Tower Caernarfonshire masonry ruins/remnants
Swansea Castle New Castle; Abertawe; Seinhenydd; Gower; Goher; Sueineshea; Suenesel; Senghenydd Glamorgan masonry ruins/remnants

This listing was last updated on Tuesday, April 7, 2015