Cadw is the historic environment service of the Welsh Government which manages historical buildings and ancient monuments in Wales.
Property ImageTypeAccessPrincipal areaCommunityHistoric county Grid reference CoordinatesRef.Common English nameStandardised nameAs to be used by Cadw, since at least 2024. WelshEnglish Barclodiad y GawresBarclodiad y Gawres Chambered Tomb Burial ChamberFreeIsle of AngleseyAberffrawAnglesey SH329707 Cadw website for Barclodiad y Gawres Burial Chamber Basingwerk AbbeyBasingwerk Abbey ReligiousFreeFlintshireHolywellFlintshire SJ196774 Cadw website for Basingwerk Abbey Beaumaris CastleBeaumaris Castle Castle World Heritage Site.Unesco World Heritage Site: Castles and Town Walls of King Edward in GwyneddPayIsle of AngleseyBeaumaris Anglesey SH607762postcode LL58 8AP Cadw website for Beaumaris Castle Blaenavon IronworksBlaenafon Ironworks Industrial World Heritage Site.Unesco World Heritage Site: Blaenavon Industrial LandscapeFreeTorfaenBlaenavon Monmouthshire SO249092postcode NP4 9RN Cadw website for Blaenavon Ironworks BodowyrBodowyr Chambered Tomb Burial Chamber FreeIsle of AngleseyLlanidanAnglesey SH462681 Cadw website for Bodowyr Burial Chamber Y GaerY Gaer Roman Fort Roman FortFreePowysYscirBrecknockshire SO003296 Cadw website for Brecon Gaer Roman Fort Bronllys Castle CastleFreePowysBronllysBrecknockshire SO149347 Cadw website for Bronllys Castle Bryn Celli DduBryn Celli Ddu Chambered Tomb Burial Chamber FreeIsle of AngleseyLlanddaniel FabAnglesey SH507701 Cadw website for Bryn Celli Ddu Burial Chamber Bryntail lead mineBryn-tail Leadworks IndustrialFreePowysLlanidloes WithoutMontgomeryshire SN913868 Cadw website for Bryntail Lead Mine Buildings Caer GybiCaer Gybi Roman Fort Roman FortFreeIsle of AngleseyHolyheadAnglesey SH247826 Cadw website for Caer Gybi Roman Fortlet Caer LêbCaer Lêb Romano-British Farm EnclosureFreeIsle of AngleseyLlanidanAnglesey SH472674 Cadw website for Caer Lêb Caer y TwrCaer y Twr Roman Watchtower Hill FortFreeIsle of AngleseyTrearddurAnglesey SH219829 Cadw website for Caer y TŵrCaergwrle CastleCastleFreeFlintshireCaergwrleFlintshireSJ3057557213 Caerleon Roman Fortress and BathsCaerleon Roman Amphitheatre Caerleon Roman Baths Caerleon Roman Barracks Roman Fort and Baths BarracksFreeNewportCaerleonMonmouthshireST337906Cadw website for Caerleon Roman Fortress and Baths Caernarfon Castle Castle World Heritage Site.PayGwyneddCaernarfonCaernarfonshire SH477626postcode LL55 2AY Cadw website for Caernarfon Castle Caernarfon town wallsCaernarfon Town Walls Town Walls World Heritage Site.FreeGwyneddCaernarfonCaernarfonshire SH479626 Cadw website for Caernarfon Town Walls Caerphilly CastleCaerphilly Castle CastlePayCaerphillyCaerphillyGlamorganshire ST155870 Cadw website for Caerphilly Castle CaerwentCaer-went Roman Town Roman TownFreeMonmouthshireCaerwentMonmouthshire ST469907 Cadw website for Caerwent Roman Town Capel GarmonCapel Garmon Chambered Tomb Burial ChamberFreeConwyBro GarmonDenbighshire SH817543 Cadw website for Capel Garmon Burial Chamber Capel Lligwy ReligiousFreeIsle of AngleseyMoelfreAnglesey SH499863 Cadw website for Capel Lligwy Carew CrossCarew Cross ReligiousFreePembrokeshireCarewPembrokeshire SN047037 Cadw website for Carew Cross Carreg Cennen Castle CastlePayCarmarthenshireDyffryn CennenCarmarthenshire SN668190 Cadw website for Carreg Cennen Castle Carreg Coetan ArthurCarreg Coetan Arthur Chambered Tomb Burial ChamberFreePembrokeshireNewportPembrokeshire SN060394 Cadw website for Carreg Coetan Arthur Burial Chamber Carswell Medieval HouseCarswell Medieval House DomesticFree (Ext.)PembrokeshirePenallyPembrokeshire SN098010 Cadw website for Carswell Medieval House Castell Bryn GwynCastell Bryngwyn Prehistoric Enclosure PrehistoricFreeIsle of AngleseyLlanidanAnglesey SH465670 Cadw website for Castell Bryn Gwyn Castell Coch CastlePayCardiffTongwynlaisGlamorganshire ST130826 Cadw website for Castell Coch Castell y Bere CastleFreeGwyneddLlanfihangel-y-PennantMerionethshire SH667085 Cadw website for Castell y Bere Bulwarks Camp, ChepstowBulwarks Prehistoric Enclosure Prehistoric enclosure FreeMonmouthshireChepstowMonmouthshire ST538927 Cadw website for Chepstow Bulwarks Camp Chepstow CastleChepstow Castle CastlePayMonmouthshireChepstowMonmouthshire ST533940 Cadw website for Chepstow Castle Chepstow Port WallChepstow Port Wall Town WallsFreeMonmouthshireChepstowMonmouthshire ST533937 Cadw website for Chepstow Port Wall Cilgerran Castle CastlePayPembrokeshireCilgerranPembrokeshire SN194431 Cadw website for Cilgerran Castle Coity Castle CastleFreeBridgendCoity HigherGlamorganshire SS923814 Cadw website for Coity Castle Conwy Castle Castle World Heritage Site.PayConwyConwyCaernarfonshire SH783774postcode LL32 8AY Cadw website for Conwy Castle Conwy town wallsConwy Town Walls Town Walls World Heritage Site.FreeConwyConwyCaernarfonshire SH780776 Cadw website for Conwy Town Walls Criccieth Castle CastlePayGwyneddCricciethCaernarfonshire SH499377 Cadw website for Criccieth Castle Cymer AbbeyCymer Abbey ReligiousFreeGwyneddLlanelltydMerionethshire SH721195 Cadw website for Cymer Abbey Denbigh CastleDenbigh Castle CastlePayDenbighshireDenbighDenbighshire SJ051657 Cadw website for Denbigh Castle Denbigh FriaryDenbigh Friary Church ReligiousFreeDenbighshireDenbighDenbighshire SJ059665 Cadw website for Denbigh Friary Denbigh Town WallsDenbigh Town Walls Town WallsFreeDenbighshireDenbighDenbighshire SJ052657 Cadw website for Denbigh Town Walls Leicester's ChurchEarl of Leicester's Church ReligiousFreeDenbighshireDenbighDenbighshire SJ053659 Cadw website for Denbigh, Leicester's Church St Hilary's ChapelSt Hilary's Chapel ReligiousFreeDenbighshireDenbighDenbighshire SJ052659 Cadw website for Denbigh, St Hilary's Chapel Derwen Churchyard CrossDerwen Cross ReligiousFreeDenbighshireDerwenDenbighshire SJ070507 Cadw website for Derwen Churchyard Cross Din DryfolDin Dryfol Chambered Tomb Burial ChamberFreeIsle of AngleseyAberffrawAnglesey SH395724 Cadw website for Din Dryfol Burial Chamber Din LligwyDin Llugwy Romano-British Village Hut GroupFreeIsle of AngleseyMoelfreAnglesey SH497861 Cadw website for Din Lligwy Hut Group Dinefwr Castle CastleFreeCarmarthenshireLlandeiloCarmarthenshire SN622224 Cadw website for Dinefwr Castle Dolbadarn Castle CastleFreeGwyneddLlanberisCaernarfonshire SH586598 Cadw website for Dolbadarn Castle Dolforwyn Castle CastleFreePowysLlandyssilMontgomeryshire SO151950 Cadw website for Dolforwyn Castle Dolwyddelan Castle CastlePayConwyDolwyddelanCaernarfonshire SH721523 Cadw website for Dolwyddelan Castle Dryslwyn Castle CastleFreeCarmarthenshireLlangathenCarmarthenshire SN554203 Cadw website for Dryslwyn Castle Dyffryn ArdudwyDyffryn Ardudwy Chambered Tomb Burial ChamberFreeGwyneddDyffryn ArdudwyMerionethshire SH588228 Cadw website for Dyffryn Ardudwy Burial Chamber Dyfi FurnaceDyfi Furnace IndustrialFreeCeredigionYsgubor-y-coedCardiganshire SN684950 Cadw website for Dyfi Furnace Eliseg's PillarEliseg's Pillar ReligiousFreeDenbighshireLlantysilioDenbighshire SJ202445 Cadw website for Eliseg's Pillar Ewenny PrioryEwenni Priory ReligiousFreeThe Vale of GlamorganEwennyGlamorganshire SS912778 Cadw website for Ewenny Priory Ewloe Castle CastleFreeFlintshireHawardenFlintshire SJ288675 Cadw website for Ewloe Castle Flint Castle CastleFreeFlintshireFlintFlintshire SJ246732 Cadw website for Flint Castle Grosmont CastleGrosmont Castle CastleFreeMonmouthshireGrosmontMonmouthshire SO405244 Cadw website for Grosmont Castle Gwydir Uchaf Chapel ReligiousFreeConwyTrefriwCaernarfonshire SH794609 Cadw website for Gwydir Uchaf Chapel Hafoty Medieval HouseHafoty Medieval House DomesticFree (Ext.)Isle of AngleseyCwm CadnantAnglesey SH562781 Cadw website for Hafoty Medieval House Harlech Castle Castle World Heritage Site.PayGwyneddHarlechMerionethshire SH581312postcode LL46 2YH Cadw website for Harlech Castle Haverfordwest PrioryHaverfordwest Priory ReligiousFreePembrokeshireHaverfordwestPembrokeshire SM956151 Cadw website for Haverfordwest Priory Hen Gwrt Moated SiteHen Gwrt Medieval Moated Site DomesticFreeMonmouthshireLlantilio CrossennyMonmouthshire SO395151 Cadw website for Hen Gwrt Moated Site Holyhead Mountain Hut CirclesHolyhead Mountain Prehistoric Village Hut GroupFreeIsle of AngleseyTrearddurAnglesey SH212820 Cadw website for Holyhead Mountain Hut Circles Kidwelly CastleKidwelly Castle CastlePayCarmarthenshireKidwellyCarmarthenshire SN409070 Cadw website for Kidwelly Castle Lamphey Bishop's PalaceBishop's Palace, Lamphey ReligiousFreePembrokeshireLampheyPembrokeshire SN018009 Cadw website for Lamphey Bishop's Palace Laugharne CastleLaugharne Castle CastlePayCarmarthenshireLaugharne TownshipCarmarthenshire SN302107 Cadw website for Laugharne Castle Llangar ChurchLlangar Old Church ReligiousPayDenbighshireCynwydMerionethshire SJ063424 Cadw website for Llangar Old Parish Church Llanmelin Wood Hill FortLlanmelin Wood Hillfort Hill FortFreeMonmouthshireCaerwentMonmouthshire ST461925 Cadw website for Llanmelin Wood Hill Fort (OS maps show it spelled Llanmellin) Llansteffan Castle CastleFreeCarmarthenshireLlansteffanCarmarthenshire SN351101 Cadw website for Llansteffan Castle Llanthony PrioryLlanthony Priory ReligiousFreeMonmouthshireCrucorneyMonmouthshire SO289278 Cadw website for Llanthony Priory Llawhaden CastleLlawhaden Castle CastleFreePembrokeshireLlawhadenPembrokeshire SN073175 Cadw website for Llawhaden Castle Lligwy Burial ChamberLlugwy Chambered Tomb Burial ChamberFreeIsle of AngleseyMoelfreAnglesey SH501860 Cadw website for Lligwy Burial Chamber Loughor CastleLoughor Castle CastleFreeSwanseaLlwchwrGlamorganshire SS564979 Cadw website for Loughor Castle Maen Achwyfan CrossMaen Achwyfan Cross ReligiousFreeFlintshireWhitfordFlintshire SJ128787 Cadw website for Maen Achwyfan Cross Margam Stones MuseumMargam Stones Museum ReligiousPayNeath Port TalbotMargamGlamorganshire SS801864 Cadw website for Margam Stones Museum Monmouth CastleMonmouth Castle CastleFreeMonmouthshireMonmouthMonmouthshire SO506128 Cadw website for Monmouth Castle Montgomery CastleMontgomery Castle CastleFreePowysMontgomeryMontgomeryshire SO221967 Cadw website for Montgomery Castle Neath AbbeyNeath Abbey ReligiousFreeNeath Port TalbotDyffryn ClydachGlamorganshire SS738974 Cadw website for Neath Abbey and Gatehouse Newcastle CastleNewcastle Castle CastleFreeBridgendBridgendGlamorganshire SS902800 Cadw website for Newcastle, Bridgend Newport CastleNewport Castle CastleFreeNewportStow HillMonmouthshire ST311884 Ogmore CastleOgmore Castle CastleFreeThe Vale of GlamorganSt Bride's MajorGlamorganshire SS881769 Cadw website for Ogmore Castle Old Beaupre CastleOld Beaupre Castle CastleFreeThe Vale of GlamorganLlanfairGlamorganshire ST008720 Cadw website for Old Beaupre Castle Oxwich Castle CastlePaySwanseaPenriceGlamorganshire SS497862 Cadw website for Oxwich Castle Parc Cwm long cairn at