Certain |
Possible |
Questionable Doubtful |
Rejected |
|
Confidence is a statement of the site as a medieval fortification or palace |
| Name | Alternative Name(s) | Type | Remains | Abergele; The Mount | The Peel | Timber Castle | Cropmarks/slight earthworks | Bromfield Castle | Timber Castle | Nothing visible |
| Broney Castle, Llansilin | Timber Castle | Uncertain | Bryn-ffanigl Uchaf | Timber Castle | Earthworks |
| Bryn-ffanigl Uchaf 2 | Timber Castle | Earthworks | Bryneglwys Castle | Castell Furi; Fury | Uncertain | Nothing visible |
| Cae Twmpath Fieldname, Coedpoeth | Timber Castle | Nothing visible | |
| Cae y Castle Fieldname, Ruabon | Uncertain | Nothing visible | |
| Caer Fach Fieldname, Llanrhaeadr ym Mochnant | Timber Castle | Earthworks | |
| Castell Placename, Llanfair Dyffryn Clwyd | Uncertain | Nothing visible | |
| Castell y Gur Fieldname, Llay | Uncertain | Nothing visible | |
| Castell y Waun Motte, Chirk | Ceiriog | Timber Castle | Earthworks |
| Chirk Castle | Crogen; Ceiriog | Masonry Castle | Major |
| Chirk Castle Fieldname | Uncertain | Nothing visible | |
| Denbigh Castle | Dinbech | Masonry Castle | Major | Denbigh Old Castle, Crown Hotel Mount | Dinebech; Dinbech; Timbei | Masonry Castle Timber Castle |
Nothing visible |
| Denbigh Town Walls | Urban Defence | Major | |
| Dinas Bran Castle | Crow | Masonry Castle Timber Castle |
Masonry ruins/remnants | Ednyfeds Castle | Llys Euryn; Bryn Euryn; Plas Bryneuryn | Uncertain | Uncertain |
| Erddig Castle, Wrexham | Wrecsam; Erthcote; Wristleham; Wristlesham | Timber Castle | Earthworks |
| Foel Las Motte, Pentrefoelas | Foel; Voelas; Llanfair Rhyd; Hen Foelas; Y Foelas | Masonry Castle Timber Castle |
Earthworks | Glyn, Denbighshire | Uncertain | Uncertain | Gwrych | Uncertain | Nothing visible |
| Hafod y Bwch | Timber Castle | Earthworks | |
| Hendre Isaf Motte, Llangernyw | Domen Pentre Isaf; Llangerniew | Timber Castle | Earthworks |
| Holt Castle | Chastellion; Castrum Leonis; Castle Lions | Masonry Castle | Masonry ruins/remnants | Holt Town Defences | Urban Defence | Nothing visible | Llandegla manor of Bishop of St Asaph | Palace | Nothing visible | Llys Gwenllian | Llanrhaiadr yn Cinmerch | Timber Castle | Earthworks | Maes Gwyn, Pentrefoelas | Timber Castle | Cropmarks/slight earthworks |
| Maes Mynan Mound | Maesmaenan; Aberwhiler; Coed Maesmynan | Timber Castle | Earthworks | Maesmor Hall Castle Mound, Llangwm | Tomen Maesmor; Y Domen; Maerdy; Llandderfel | Timber Castle | Earthworks | Overton Town Defences | Auretone; Averetone | Urban Defence | Nothing visible | Plas Cadwgan Mound | Cadwgan Hall Mound | Timber Castle | Earthworks |
| Ruthin Castle | Castell Rhuthun; Castell Coch yn Gwern-for | Masonry Castle | Masonry ruins/remnants | Ruthin Old Castle | Rhuthun; Ruffin; Ruthlan | Timber Castle | Nothing visible |
| Ruthin Town Defences | Rhuthun; Ruffin; Ruthyn | Urban Defence | Nothing visible |
| Sycharth Castle, Llansilin | Castle of Owain Glyndwr; Saghern | Timber Castle | Earthworks | Tomen Cefn Glaniwrch, Llanrhaeadr ym Mochnant | Cefn Uchaf; Trefeilw; Hendomen | Timber Castle | Earthworks |
| Tomen y Faerdre, Llanarmon yn ial | Yale; Tomen y Vardra | Timber Castle | Earthworks |
| Tomen y Maerdy Motte | Glantanat Isaf; Llanrhaiadr ym Mochnant; Tomen y Faerdre | Timber Castle | Earthworks |
| Tomen y Rhodwydd, Llandegla | Castell y Rhodwydd; Buddugre; Llanarmon yn Ial; Yale; Castle in Ial; Castell yr Adwy | Timber Castle | Earthworks |
| Tower House Mound, Llangollen | Timber Castle | Uncertain |