# List of Cadw properties

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Cadw is the historic environment service of the Welsh Government which manages historical buildings and ancient monuments in Wales.
| Property | Image | Type | Access | Unitary authority | Community | Historic County | Grid Reference | Coordinates |
| Barclodiad y Gawres | Barclodiad y Gawres, Interior | Burial Chamber | Free | Isle of Anglesey | Aberffraw | Anglesey | SH329707 | 53°12′26″N 4°30′13″W﻿ / ﻿53.2072°N 4.5036°W﻿ / 53.2072; -4.5036﻿ (Barclodiad y Gawres Burial Chamber) |
| Basingwerk Abbey | Basingwerk Abbey | Religious | Free | Flintshire | Holywell | Flintshire | SJ196774 | 53°17′17″N 3°12′27″W﻿ / ﻿53.288°N 3.2074°W﻿ / 53.288; -3.2074﻿ (Basingwerk Abbey) |
| Beaumaris Castle | Beaumaris Castle | Castle World Heritage Site. | Pay | Isle of Anglesey | Beaumaris | Anglesey | SH607762 postcode LL58 8AP | 53°15′54″N 4°05′23″W﻿ / ﻿53.2649°N 4.0897°W﻿ / 53.2649; -4.0897﻿ (Beaumaris Castle) |
| Blaenavon Ironworks | | Industrial World Heritage Site. | Free | Torfaen | Blaenavon | Monmouthshire | SO249092 postcode NP4 9RN | 51°46′37″N 3°05′21″W﻿ / ﻿51.777°N 3.0892°W﻿ / 51.777; -3.0892﻿ (Blaenavon Ironworks) |
| Bodowyr | | Burial Chamber | Free | Isle of Anglesey | Llanidan | Anglesey | SH462681 | 53°11′18″N 4°18′10″W﻿ / ﻿53.1882°N 4.3029°W﻿ / 53.1882; -4.3029﻿ (Bodowyr Burial Chamber) |
| Brecon Gaer | | Roman Fort | Free | Powys | Yscir | Brecknockshire | SO003296 | 51°57′23″N 3°27′06″W﻿ / ﻿51.9565°N 3.4517°W﻿ / 51.9565; -3.4517﻿ (Brecon Gaer Roman Fort) |
| Bronllys Castle | | Castle | Free | Powys | Bronllys | Brecknockshire | SO149347 | 52°00′16″N 3°14′27″W﻿ / ﻿52.0044°N 3.2407°W﻿ / 52.0044; -3.2407﻿ (Bronllys Castle) |
| Bryn Celli Ddu | | Burial Chamber | Free | Isle of Anglesey | Llanddaniel Fab | Anglesey | SH507701 | 53°12′28″N 4°14′10″W﻿ / ﻿53.2077°N 4.2361°W﻿ / 53.2077; -4.2361﻿ (Bryn Celli Ddu Burial Chamber) |
| Bryntail | | Industrial | Free | Powys | Llanidloes Without | Montgomeryshire | SN913868 | 52°28′08″N 3°36′03″W﻿ / ﻿52.4688°N 3.6008°W﻿ / 52.4688; -3.6008﻿ (Bryntail Lead Mine Buildings) |
| Caer Gybi | | Roman Fort | Free | Isle of Anglesey | Holyhead | Anglesey | SH247826 | 53°18′42″N 4°37′55″W﻿ / ﻿53.3116°N 4.632°W﻿ / 53.3116; -4.632﻿ (Caer Gybi Roman Fortlet) |
| Caer Lêb | | Enclosure | Free | Isle of Anglesey | Llanidan | Anglesey | SH472674 | 53°10′55″N 4°17′12″W﻿ / ﻿53.1819°N 4.2866°W﻿ / 53.1819; -4.2866﻿ (Caer Lêb) |
| Caer y Tŵr | | Hill Fort | Free | Isle of Anglesey | Trearddur | Anglesey | SH219829 | 53°18′47″N 4°40′29″W﻿ / ﻿53.3131°N 4.6747°W﻿ / 53.3131; -4.6747﻿ (Caer y Tŵr) |
| Caerleon Roman Fortress | | Roman Fort | Free | Newport | Caerleon | Monmouthshire | ST337906 | 51°36′37″N 2°57′32″W﻿ / ﻿51.6103°N 2.9588°W﻿ / 51.6103; -2.9588﻿ (Caerleon Roman Fortress and Baths) |
| Caernarfon Castle | | Castle World Heritage Site. | Pay | Gwynedd | Caernarfon | Caernarvonshire | SH477626 postcode LL55 2AY | 53°08′22″N 4°16′37″W﻿ / ﻿53.1394°N 4.277°W﻿ / 53.1394; -4.277﻿ (Caernarfon Castle) |
| Caernarfon town walls | | Town Walls World Heritage Site. | Free | Gwynedd | Caernarfon | Caernarvonshire | SH479626 | 53°08′28″N 4°16′31″W﻿ / ﻿53.141°N 4.2754°W﻿ / 53.141; -4.2754﻿ (Caernarfon Town Walls) |
| Caerphilly Castle | | Castle | Pay | Caerphilly | Caerphilly | Glamorganshire | ST155870 | 51°34′35″N 3°13′14″W﻿ / ﻿51.5763°N 3.2206°W﻿ / 51.5763; -3.2206﻿ (Caerphilly Castle) |
| Caerwent | | Roman Town | Free | Monmouthshire | Caerwent | Monmouthshire | ST469907 | 51°36′45″N 2°46′06″W﻿ / ﻿51.6126°N 2.7683°W﻿ / 51.6126; -2.7683﻿ (Caerwent Roman Town) |
| Capel Garmon | | Burial Chamber | Free | Conwy | Bro Garmon | Denbighshire | SH817543 | 53°04′23″N 3°45′57″W﻿ / ﻿53.073°N 3.7658°W﻿ / 53.073; -3.7658﻿ (Capel Garmon Burial Chamber) |
| Capel Lligwy | | Religious | Free | Isle of Anglesey | Moelfre | Anglesey | SH499863 | 53°21′08″N 4°15′23″W﻿ / ﻿53.3523°N 4.2564°W﻿ / 53.3523; -4.2564﻿ (Capel Lligwy) |
| Carew Cross | | Religious | Free | Pembrokeshire | Carew | Pembrokeshire | SN047037 | 51°41′53″N 4°49′40″W﻿ / ﻿51.698°N 4.8278°W﻿ / 51.698; -4.8278﻿ (Carew Cross) |
| Carreg Cennen Castle | | Castle | Pay | Carmarthenshire | Dyffryn Cennen | Carmarthenshire | SN668190 | 51°51′16″N 3°56′07″W﻿ / ﻿51.8545°N 3.9352°W﻿ / 51.8545; -3.9352﻿ (Carreg Cennen Castle) |
| Carreg Coetan | | Burial Chamber | Free | Pembrokeshire | Newport | Pembrokeshire | SN060394 | 52°01′07″N 4°49′42″W﻿ / ﻿52.0186°N 4.8282°W﻿ / 52.0186; -4.8282﻿ (Carreg Coetan Arthur Burial Chamber) |
| Carswell Medieval House | | Domestic | Free (Ext.) | Pembrokeshire | Penally | Pembrokeshire | SN098010 | 51°40′34″N 4°45′08″W﻿ / ﻿51.676°N 4.7523°W﻿ / 51.676; -4.7523﻿ (Carswell Medieval House) |
| Castell Bryn Gwyn | | Prehistoric | Free | Isle of Anglesey | Llanidan | Anglesey | SH465670 | 53°10′42″N 4°17′52″W﻿ / ﻿53.1784°N 4.2979°W﻿ / 53.1784; -4.2979﻿ (Castell Bryn Gwyn) |
| Castell Coch | | Castle | Pay | Cardiff | Tongwynlais | Glamorganshire | ST130826 | 51°32′10″N 3°15′18″W﻿ / ﻿51.536°N 3.2549°W﻿ / 51.536; -3.2549﻿ (Castell Coch) |
| Castell y Bere | | Castle | Free | Gwynedd | Llanfihangel-y-Pennant | Merionethshire | SH667085 | 52°39′30″N 3°58′16″W﻿ / ﻿52.6583°N 3.9711°W﻿ / 52.6583; -3.9711﻿ (Castell y Bere) |
| Chepstow, Bulwark Camp | | Prehistoric enclosure | Free | Monmouthshire | Chepstow | Monmouthshire | ST538927 | 51°37′52″N 2°40′08″W﻿ / ﻿51.6312°N 2.6689°W﻿ / 51.6312; -2.6689﻿ (Chepstow Bulwarks Camp) |
| Chepstow Castle | | Castle | Pay | Monmouthshire | Chepstow | Monmouthshire | ST533940 | 51°38′37″N 2°40′32″W﻿ / ﻿51.6437°N 2.6755°W﻿ / 51.6437; -2.6755﻿ (Chepstow Castle) |
| Chepstow Port Wall | | Town Walls | Free | Monmouthshire | Chepstow | Monmouthshire | ST533937 | 51°38′25″N 2°40′34″W﻿ / ﻿51.6404°N 2.6762°W﻿ / 51.6404; -2.6762﻿ (Chepstow Port Wall) |
| Cilgerran Castle | | Castle | Pay | Pembrokeshire | Cilgerran | Pembrokeshire | SN194431 | 52°03′25″N 4°38′03″W﻿ / ﻿52.0569°N 4.6342°W﻿ / 52.0569; -4.6342﻿ (Cilgerran Castle) |
| Coity Castle | | Castle | Free | Bridgend | Coity Higher | Glamorganshire | SS923814 | 51°31′20″N 3°33′12″W﻿ / ﻿51.5221°N 3.5534°W﻿ / 51.5221; -3.5534﻿ (Coity Castle) |
| Conwy Castle | | Castle World Heritage Site. | Pay | Conwy | Conwy | Caernarvonshire | SH783774 postcode LL32 8AY | 53°16′48″N 3°49′32″W﻿ / ﻿53.2801°N 3.8256°W﻿ / 53.2801; -3.8256﻿ (Conwy Castle) |
| Conwy town walls | | Town Walls World Heritage Site. | Free | Conwy | Conwy | Caernarvonshire | SH780776 | 53°16′54″N 3°49′52″W﻿ / ﻿53.2817°N 3.8312°W﻿ / 53.2817; -3.8312﻿ (Conwy Town Walls) |
| Criccieth Castle | | Castle | Pay | Gwynedd | Criccieth | Caernarvonshire | SH499377 | 52°54′58″N 4°13′57″W﻿ / ﻿52.916°N 4.2324°W﻿ / 52.916; -4.2324﻿ (Criccieth Castle) |
| Cymer Abbey | | Religious | Free | Gwynedd | Llanelltyd | Merionethshire | SH721195 | 52°45′29″N 3°53′46″W﻿ / ﻿52.7581°N 3.8962°W﻿ / 52.7581; -3.8962﻿ (Cymer Abbey) |
| Denbigh Castle | | Castle | Pay | Denbighshire | Denbigh | Denbighshire | SJ051657 | 53°10′50″N 3°25′14″W﻿ / ﻿53.1806°N 3.4206°W﻿ / 53.1806; -3.4206﻿ (Denbigh Castle) |
| Denbigh Friary | | Religious | Free | Denbighshire | Denbigh | Denbighshire | SJ059665 | 53°11′16″N 3°24′33″W﻿ / ﻿53.1878°N 3.4091°W﻿ / 53.1878; -3.4091﻿ (Denbigh Friary) |
| Denbigh Town Walls | | Town Walls | Free | Denbighshire | Denbigh | Denbighshire | SJ052657 | 53°10′51″N 3°25′09″W﻿ / ﻿53.1808°N 3.4191°W﻿ / 53.1808; -3.4191﻿ (Denbigh Town Walls) |
| Leicester's Church | | Religious | Free | Denbighshire | Denbigh | Denbighshire | SJ053659 | 53°10′56″N 3°25′08″W﻿ / ﻿53.1822°N 3.419°W﻿ / 53.1822; -3.419﻿ (Denbigh, Leicester's Church) |
| St Hilary's Chapel | | Religious | Free | Denbighshire | Denbigh | Denbighshire | SJ052659 | 53°10′54″N 3°25′11″W﻿ / ﻿53.1818°N 3.4198°W﻿ / 53.1818; -3.4198﻿ (Denbigh, St Hilary's Chapel) |
| Derwen Churchyard Cross | | Religious | Free | Denbighshire | Derwen | Denbighshire | SJ070507 | 53°02′45″N 3°23′18″W﻿ / ﻿53.0457°N 3.3882°W﻿ / 53.0457; -3.3882﻿ (Derwen Churchyard Cross) |
| Din Dryfol | | Burial Chamber | Free | Isle of Anglesey | Aberffraw | Anglesey | SH395724 | 53°13′30″N 4°24′17″W﻿ / ﻿53.225°N 4.4048°W﻿ / 53.225; -4.4048﻿ (Din Dryfol Burial Chamber) |
| Din Lligwy | | Hut Group | Free | Isle of Anglesey | Moelfre | Anglesey | SH497861 | 53°21′03″N 4°15′33″W﻿ / ﻿53.3508°N 4.2592°W﻿ / 53.3508; -4.2592﻿ (Din Lligwy Hut Group) |
| Dinefwr Castle | | Castle | Free | Carmarthenshire | Llandeilo | Carmarthenshire | SN622224 | 51°52′36″N 4°01′07″W﻿ / ﻿51.876776°N 4.018562°W﻿ / 51.876776; -4.018562﻿ (Dinefwr Castle) |
| Dolbadarn Castle | | Castle | Free | Gwynedd | Llanberis | Caernarvonshire | SH586598 | 53°07′00″N 4°06′51″W﻿ / ﻿53.1166°N 4.1143°W﻿ / 53.1166; -4.1143﻿ (Dolbadarn Castle) |
| Dolforwyn Castle | | Castle | Free | Powys | Llandyssil | Montgomeryshire | SO151950 | 52°32′47″N 3°15′09″W﻿ / ﻿52.5464°N 3.2525°W﻿ / 52.5464; -3.2525﻿ (Dolforwyn Castle) |
| Dolwyddelan Castle | | Castle | Pay | Conwy | Dolwyddelan | Caernarvonshire | SH721523 | 53°03′11″N 3°54′30″W﻿ / ﻿53.0531°N 3.9084°W﻿ / 53.0531; -3.9084﻿ (Dolwyddelan Castle) |
| Dryslwyn Castle | | Castle | Free | Carmarthenshire | Llangathen | Carmarthenshire | SN554203 | 51°51′48″N 4°06′03″W﻿ / ﻿51.8632°N 4.1007°W﻿ / 51.8632; -4.1007﻿ (Dryslwyn Castle) |
| Dyffryn Ardudwy | | Burial Chamber | Free | Gwynedd | Dyffryn Ardudwy | Merionethshire | SH588228 | 52°47′05″N 4°05′37″W﻿ / ﻿52.7846°N 4.0937°W﻿ / 52.7846; -4.0937﻿ (Dyffryn Ardudwy Burial Chamber) |
| Dyfi Furnace | | Industrial | Free | Ceredigion | Ysgubor-y-coed | Cardiganshire | SN684950 | 52°32′16″N 3°56′25″W﻿ / ﻿52.5378°N 3.9404°W﻿ / 52.5378; -3.9404﻿ (Dyfi Furnace) |
| Eliseg's Pillar | | Religious | Free | Denbighshire | Llantysilio | Denbighshire | SJ202445 | 52°59′32″N 3°11′21″W﻿ / ﻿52.9921°N 3.1893°W﻿ / 52.9921; -3.1893﻿ (Eliseg's Pillar) |
| Ewenny Priory | | Religious | Free | The Vale of Glamorgan | Ewenny | Glamorganshire | SS912778 | 51°29′20″N 3°34′03″W﻿ / ﻿51.4888°N 3.5676°W﻿ / 51.4888; -3.5676﻿ (Ewenny Priory) |
| Ewloe Castle | | Castle | Free | Flintshire | Hawarden | Flintshire | SJ288675 | 53°12′00″N 3°04′02″W﻿ / ﻿53.2°N 3.0672°W﻿ / 53.2; -3.0672﻿ (Ewloe Castle) |
| Flint Castle | | Castle | Free | Flintshire | Flint | Flintshire | SJ246732 | 53°15′04″N 3°07′48″W﻿ / ﻿53.2511°N 3.1301°W﻿ / 53.2511; -3.1301﻿ (Flint Castle) |
| Grosmont Castle | | Castle | Free | Monmouthshire | Grosmont | Monmouthshire | SO405244 | 51°54′55″N 2°51′57″W﻿ / ﻿51.9154°N 2.8657°W﻿ / 51.9154; -2.8657﻿ (Grosmont Castle) |
| Gwydir Uchaf Chapel | | Religious | Free | Conwy | Trefriw | Caernarvonshire | SH794609 | 53°07′55″N 3°48′10″W﻿ / ﻿53.1319°N 3.8028°W﻿ / 53.1319; -3.8028﻿ (Gwydir Uchaf Chapel) |
| Hafoty Medieval House | | Domestic | Free (Ext.) | Isle of Anglesey | Cwm Cadnant | Anglesey | SH562781 | 53°16′51″N 4°09′28″W﻿ / ﻿53.2809°N 4.1579°W﻿ / 53.2809; -4.1579﻿ (Hafoty Medieval House) |
| Harlech Castle | | Castle World Heritage Site. | Pay | Gwynedd | Harlech | Merionethshire | SH581312 postcode LL46 2YH | 52°51′37″N 4°06′33″W﻿ / ﻿52.8602°N 4.1091°W﻿ / 52.8602; -4.1091﻿ (Harlech Castle) |
| Haverfordwest Priory | | Religious | Free | Pembrokeshire | Haverfordwest | Pembrokeshire | SM956151 | 51°47′51″N 4°57′51″W﻿ / ﻿51.7976°N 4.9643°W﻿ / 51.7976; -4.9643﻿ (Haverfordwest Priory) |
| Hen Gwrt Moated Site | | Domestic | Free | Monmouthshire | Llantilio Crossenny | Monmouthshire | SO395151 | 51°49′53″N 2°52′42″W﻿ / ﻿51.8315°N 2.8782°W﻿ / 51.8315; -2.8782﻿ (Hen Gwrt Moated Site) |
| Holyhead Mountain Hut Circles | | Hut Group | Free | Isle of Anglesey | Trearddur | Anglesey | SH212820 | 53°18′19″N 4°41′02″W﻿ / ﻿53.3054°N 4.6838°W﻿ / 53.3054; -4.6838﻿ (Holyhead Mountain Hut Circles) |
| Kidwelly Castle | | Castle | Pay | Carmarthenshire | Kidwelly | Carmarthenshire | SN409070 | 51°44′23″N 4°18′20″W﻿ / ﻿51.7398°N 4.3055°W﻿ / 51.7398; -4.3055﻿ (Kidwelly Castle) |
| Lamphey Bishop's Palace | | Religious | Free | Pembrokeshire | Lamphey | Pembrokeshire | SN018009 | 51°40′19″N 4°52′00″W﻿ / ﻿51.672°N 4.8668°W﻿ / 51.672; -4.8668﻿ (Lamphey Bishop's Palace) |
| Laugharne Castle | | Castle | Pay | Carmarthenshire | Laugharne Township | Carmarthenshire | SN302107 | 51°46′11″N 4°27′44″W﻿ / ﻿51.7696°N 4.4621°W﻿ / 51.7696; -4.4621﻿ (Laugharne Castle) |
| Llangar Church | | Religious | Pay | Denbighshire | Cynwyd | Merionethshire | SJ063424 | 52°58′16″N 3°23′45″W﻿ / ﻿52.9712°N 3.3959°W﻿ / 52.9712; -3.3959﻿ (Llangar Old Parish Church) |
| Llanmelin Wood Hill Fort | | Hill Fort | Free | Monmouthshire | Caerwent | Monmouthshire | ST461925 | 51°37′45″N 2°46′46″W﻿ / ﻿51.6291°N 2.7794°W﻿ / 51.6291; -2.7794﻿ (Llanmelin Wood Hill Fort) |
| Llansteffan Castle | | Castle | Free | Carmarthenshire | Llansteffan | Carmarthenshire | SN351101 | 51°45′56″N 4°23′27″W﻿ / ﻿51.7655°N 4.3908°W﻿ / 51.7655; -4.3908﻿ (Llansteffan Castle) |
| Llanthony Priory | | Religious | Free | Monmouthshire | Crucorney | Monmouthshire | SO289278 | 51°56′41″N 3°02′11″W﻿ / ﻿51.9448°N 3.0364°W﻿ / 51.9448; -3.0364﻿ (Llanthony Priory) |
| Llawhaden Castle | | Castle | Free | Pembrokeshire | Llawhaden | Pembrokeshire | SN073175 | 51°49′20″N 4°47′51″W﻿ / ﻿51.8223°N 4.7976°W﻿ / 51.8223; -4.7976﻿ (Llawhaden Castle) |
| Lligwy Burial Chamber | | Burial Chamber | Free | Isle of Anglesey | Moelfre | Anglesey | SH501860 | 53°21′00″N 4°15′10″W﻿ / ﻿53.3499°N 4.2529°W﻿ / 53.3499; -4.2529﻿ (Lligwy Burial Chamber) |
| Loughor Castle | | Castle | Free | Swansea | Llwchwr | Glamorganshire | SS564979 | 51°39′44″N 4°04′38″W﻿ / ﻿51.6622°N 4.0771°W﻿ / 51.6622; -4.0771﻿ (Loughor Castle) |
| Maen Achwyfan Cross | | Religious | Free | Flintshire | Whitford | Flintshire | SJ128787 | 53°17′55″N 3°18′31″W﻿ / ﻿53.2987°N 3.3085°W﻿ / 53.2987; -3.3085﻿ (Maen Achwyfan Cross) |
| Margam Stones Museum | | Religious | Pay | Neath Port Talbot | Margam | Glamorganshire | SS801864 | 51°33′49″N 3°43′52″W﻿ / ﻿51.5637°N 3.7312°W﻿ / 51.5637; -3.7312﻿ (Margam Stones Museum) |
| Monmouth Castle | | Castle | Free | Monmouthshire | Monmouth | Monmouthshire | SO506128 | 51°48′45″N 2°43′00″W﻿ / ﻿51.8125°N 2.7167°W﻿ / 51.8125; -2.7167﻿ (Monmouth Castle) |
| Montgomery Castle | | Castle | Free | Powys | Montgomery | Montgomeryshire | SO221967 | 52°33′48″N 3°09′00″W﻿ / ﻿52.5632°N 3.1501°W﻿ / 52.5632; -3.1501﻿ (Montgomery Castle) |
| Neath Abbey | | Religious | Free | Neath Port Talbot | Dyffryn Clydach | Glamorganshire | SS738974 | 51°39′40″N 3°49′34″W﻿ / ﻿51.6612°N 3.826°W﻿ / 51.6612; -3.826﻿ (Neath Abbey and Gatehouse) |
| Newcastle Castle | | Castle | Free | Bridgend | Bridgend | Glamorganshire | SS902800 | 51°30′32″N 3°34′59″W﻿ / ﻿51.5089°N 3.583°W﻿ / 51.5089; -3.583﻿ (Newcastle, Bridgend) |
| Newport Castle | | Castle | Free | Newport | Stow Hill | Monmouthshire | ST311884 | 51°35′27″N 2°59′42″W﻿ / ﻿51.5908°N 2.9951°W﻿ / 51.5908; -2.9951﻿ (Newport Castle) |
| Ogmore Castle | | Castle | Free | The Vale of Glamorgan | St Bride's Major | Glamorganshire | SS881769 | 51°28′50″N 3°36′41″W﻿ / ﻿51.4805°N 3.6115°W﻿ / 51.4805; -3.6115﻿ (Ogmore Castle) |
| Old Beaupre Castle | | Castle | Free | The Vale of Glamorgan | Llanfair | Glamorganshire | ST008720 | 51°26′19″N 3°25′39″W﻿ / ﻿51.4385°N 3.4274°W﻿ / 51.4385; -3.4274﻿ (Old Beaupre Castle) |
| Oxwich Castle | | Castle | Pay | Swansea | Penrice | Glamorganshire | SS497862 | 51°33′20″N 4°10′06″W﻿ / ﻿51.5555°N 4.1683°W﻿ / 51.5555; -4.1683﻿ (Oxwich Castle) |
| Parc le Breos | | Burial Chamber | Free | Swansea | Ilston | Glamorganshire | SS537898 | 51°35′18″N 4°06′46″W﻿ / ﻿51.5883°N 4.1128°W﻿ / 51.5883; -4.1128﻿ (Parc le Breos Burial Chamber) |
| Penarth Fawr | | Medieval House | ? | Gwynedd | Llanystumdwy | Caernarvonshire | SH419376 | 52°54′48″N 4°21′09″W﻿ / ﻿52.9132°N 4.3524°W﻿ / 52.9132; -4.3524﻿ (Penarth Fawr Medieval House) |
| Penmon Cross | | Religious | Free | Isle of Anglesey | Llangoed | Anglesey | SH630807 | 53°18′21″N 4°03′24″W﻿ / ﻿53.3058°N 4.0568°W﻿ / 53.3058; -4.0568﻿ (Penmon Cross) |
| Penmon Dovecote | | Domestic | Free | Isle of Anglesey | Llangoed | Anglesey | SH631807 | 53°18′20″N 4°03′21″W﻿ / ﻿53.3056°N 4.0557°W﻿ / 53.3056; -4.0557﻿ (Penmon Dovecote) |
| Penmon Priory | | Religious | Free | Isle of Anglesey | Llangoed | Anglesey | SH630807 | 53°18′20″N 4°03′24″W﻿ / ﻿53.3055°N 4.0568°W﻿ / 53.3055; -4.0568﻿ (Penmon Priory) |
| St Seiriol's Well | | Religious | Free | Isle of Anglesey | Llangoed | Anglesey | SH630808 | 53°18′23″N 4°03′24″W﻿ / ﻿53.3064°N 4.0566°W﻿ / 53.3064; -4.0566﻿ (Penmon, St Seiriol's Well) |
| Penrhos Feilw Standing Stones | | Prehistoric | Free | Isle of Anglesey | Trearddur | Anglesey | SH227809 | 53°17′45″N 4°39′42″W﻿ / ﻿53.2957°N 4.6618°W﻿ / 53.2957; -4.6618﻿ (Penrhos Feliw Standing Stones) |
| Pentre Ifan | | Burial Chamber | Free | Pembrokeshire | Nevern | Pembrokeshire | SN099370 | 51°59′57″N 4°46′12″W﻿ / ﻿51.9991°N 4.7701°W﻿ / 51.9991; -4.7701﻿ (Pentre Ifan Burial Chamber) |
| Plas Mawr, Conwy | | Domestic | Pay | Conwy | Conwy | Caernarvonshire | SH780775 | 53°16′52″N 3°49′48″W﻿ / ﻿53.2812°N 3.83°W﻿ / 53.2812; -3.83﻿ (Plas Mawr) |
| Pont Minllyn | | Bridge | Free | Gwynedd | Mawddwy | Merionethshire | SH859138 | 52°42′38″N 3°41′21″W﻿ / ﻿52.7106°N 3.6891°W﻿ / 52.7106; -3.6891﻿ (Pont Minllyn) |
| Presaddfed | | Burial Chamber | Free | Isle of Anglesey | Bodedern | Anglesey | SH347808 | 53°17′57″N 4°28′51″W﻿ / ﻿53.2992°N 4.4809°W﻿ / 53.2992; -4.4809﻿ (Presaddfed Burial Chamber) |
| Raglan Castle | | Castle | Pay | Monmouthshire | Raglan | Monmouthshire | SO417085 | 51°46′13″N 2°50′59″W﻿ / ﻿51.7702°N 2.8498°W﻿ / 51.7702; -2.8498﻿ (Raglan Castle) |
| Rhuddlan Castle | | Castle | Pay | Denbighshire | Rhuddlan | Flintshire | SJ024779 | 53°17′21″N 3°27′54″W﻿ / ﻿53.2891°N 3.465°W﻿ / 53.2891; -3.465﻿ (Rhuddlan Castle) |
| Rug Chapel | | Religious | Pay | Denbighshire | Corwen | Merionethshire | SJ064438 | 52°59′03″N 3°23′39″W﻿ / ﻿52.9842°N 3.3942°W﻿ / 52.9842; -3.3942﻿ (Rug Chapel / Llangar Old Parish Church) |
| Runston Chapel | | Religious | | Monmouthshire | Mathern | Monmouthshire | ST496915 | 51°37′13″N 2°43′45″W﻿ / ﻿51.6204°N 2.7293°W﻿ / 51.6204; -2.7293﻿ (Runston Chapel) |
| Segontium Roman Fort | | Roman Fort | Free | Gwynedd | Caernarfon | Caernarvonshire | SH485624 | 53°08′14″N 4°15′58″W﻿ / ﻿53.1372°N 4.2662°W﻿ / 53.1372; -4.2662﻿ (Segontium Roman Fort) |
| Skenfrith Castle | | Castle | Free | Monmouthshire | Llangattock-Vibon-Avel | Monmouthshire | SO456203 | 51°52′43″N 2°47′25″W﻿ / ﻿51.8786°N 2.7904°W﻿ / 51.8786; -2.7904﻿ (Skenfrith Castle) |
| St Cybi's Well | | Religious | Free | Gwynedd | Llangybi | Gwynedd | SH427413 | 52°56′45″N 4°20′32″W﻿ / ﻿52.945735°N 4.342090°W﻿ / 52.945735; -4.342090﻿ (St Cybi's Well) |
| St Davids Bishop's Palace | | Religious | Pay | Pembrokeshire | St Davids | Pembrokeshire | SM750254 | 51°52′56″N 5°16′15″W﻿ / ﻿51.8821°N 5.2708°W﻿ / 51.8821; -5.2708﻿ (St Davids Bishop's Palace) |
| St Dogmaels Abbey | | Religious | Free | Pembrokeshire | St Dogmaels | Pembrokeshire | SN164458 | 52°04′50″N 4°40′50″W﻿ / ﻿52.0806°N 4.6806°W﻿ / 52.0806; -4.6806﻿ (St Dogmaels Abbey and Coach House) |
| St Lythans burial chamber | | Burial Chamber | Free | The Vale of Glamorgan | Wenvoe | Glamorganshire | ST100723 | 51°26′33″N 3°17′42″W﻿ / ﻿51.4426°N 3.2951°W﻿ / 51.4426; -3.2951﻿ (St Lythans Burial Chamber) |
| St Non's Chapel | | Religious | Free | Pembrokeshire | St Davids | Pembrokeshire | SM750243 | 51°52′20″N 5°16′08″W﻿ / ﻿51.8722°N 5.2689°W﻿ / 51.8722; -5.2689﻿ (St Non's Chapel) |
| St Quentin's Castle, Llanblethian | | Castle | Free | The Vale of Glamorgan | Cowbridge with Llanblethian | Glamorganshire | SS989741 | 51°27′27″N 3°27′23″W﻿ / ﻿51.4576°N 3.4564°W﻿ / 51.4576; -3.4564﻿ (St Quentin's Castle, Llanblethian) |
| St Winefride's Chapel and Holywell | | Religious | Free | Flintshire | Holywell | Flintshire | SJ185762 | 53°16′38″N 3°13′25″W﻿ / ﻿53.2771°N 3.2236°W﻿ / 53.2771; -3.2236﻿ (St Winifred's Chapel and Holy Well) |
| Strata Florida Abbey | | Religious | Pay | Ceredigion | Ystrad Fflur | Cardiganshire | SN746657 | 52°16′31″N 3°50′18″W﻿ / ﻿52.2752°N 3.8383°W﻿ / 52.2752; -3.8383﻿ (Strata Florida Abbey) |
| Swansea Castle | | Castle | Free (External only) | Swansea | Swansea | Glamorganshire | SS657930 | 51°37′14″N 3°56′28″W﻿ / ﻿51.6205°N 3.9411°W﻿ / 51.6205; -3.9411﻿ (Swansea Castle) |
| Talley Abbey | | Religious | Free | Carmarthenshire | Talley | Carmarthenshire | SN632327 | 51°58′35″N 3°59′32″W﻿ / ﻿51.9765°N 3.9922°W﻿ / 51.9765; -3.9922﻿ (Talley Abbey) |
| Tinkinswood | | Burial Chamber | Free | The Vale of Glamorgan | St Nicholas and Bonvilston | Glamorganshire | ST092732 | 51°27′05″N 3°18′26″W﻿ / ﻿51.4513°N 3.3072°W﻿ / 51.4513; -3.3072﻿ (Tinkinswood Burial Chamber) |
| Tintern Abbey | | Religious | Pay | Monmouthshire | Tintern | Monmouthshire | SO533000 | 51°41′49″N 2°40′36″W﻿ / ﻿51.6969°N 2.6768°W﻿ / 51.6969; -2.6768﻿ (Tintern Abbey) |
| Trefignath | | Burial Chamber | Free | Isle of Anglesey | Trearddur | Anglesey | SH258805 | 53°17′36″N 4°36′51″W﻿ / ﻿53.2932°N 4.6142°W﻿ / 53.2932; -4.6142﻿ (Trefignath Burial Chamber) |
| Tregwehelydd Standing Stone | | Prehistoric | Free | Isle of Anglesey | Tref Alaw | Anglesey | SH340831 | 53°19′10″N 4°29′33″W﻿ / ﻿53.3195°N 4.4926°W﻿ / 53.3195; -4.4926﻿ (Tregwehelydd Standing Stone) |
| Tretower Castle | | Castle | Pay | Powys | Llanfihangel Cwmdu | Brecknockshire | SO184212 | 51°53′02″N 3°11′10″W﻿ / ﻿51.8839°N 3.1862°W﻿ / 51.8839; -3.1862﻿ (Tretower Castle) |
| Tretower Court | | Castle | Pay | Powys | Llanfihangel Cwmdu | Brecknockshire | SO185211 | 51°53′00″N 3°11′05″W﻿ / ﻿51.8832°N 3.1846°W﻿ / 51.8832; -3.1846﻿ (Tretower Court) |
| Twthill | | Castle Mound | Free | Denbighshire | Rhuddlan | Flintshire | SJ026776 | 53°17′14″N 3°27′43″W﻿ / ﻿53.2871°N 3.4619°W﻿ / 53.2871; -3.4619﻿ (Twthill, Rhuddlan) |
| Tŷ Mawr Standing Stone | | Prehistoric | Free | Isle of Anglesey | Holyhead | Anglesey | SH253809 | 53°17′48″N 4°37′17″W﻿ / ﻿53.2967°N 4.6214°W﻿ / 53.2967; -4.6214﻿ (Ty Mawr Standing Stone) |
| Tŷ Newydd Burial Chamber | | Burial Chamber | Free | Isle of Anglesey | Llanfaelog | Anglesey | SH344738 | 53°14′09″N 4°28′57″W﻿ / ﻿53.2359°N 4.4824°W﻿ / 53.2359; -4.4824﻿ (Tŷ Newydd Burial Chamber) |
| Valle Crucis Abbey | | Religious | Pay | Denbighshire | Llantysilio | Denbighshire | SJ204441 | 52°59′20″N 3°11′12″W﻿ / ﻿52.9888°N 3.1867°W﻿ / 52.9888; -3.1867﻿ (Valle Crucis Abbey) |
| Weobley Castle | | Castle | Pay | Swansea | Llanrhidian Lower | Glamorganshire | SS478927 | 51°36′46″N 4°11′57″W﻿ / ﻿51.6128°N 4.1993°W﻿ / 51.6128; -4.1993﻿ (Weobley Castle) |
| White Castle | | Castle | Free | Monmouthshire | Llantilio Crossenny | Monmouthshire | SO379167 | 51°50′46″N 2°54′08″W﻿ / ﻿51.8461°N 2.9022°W﻿ / 51.8461; -2.9022﻿ (White Castle) |
| Wiston Castle | | Castle | Free | Pembrokeshire | Wiston | Pembrokeshire | SN022181 | 51°49′36″N 4°52′16″W﻿ / ﻿51.8268°N 4.8711°W﻿ / 51.8268; -4.8711﻿ (Wiston Castle) |