# Grade I listed buildings in Denbighshire

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In the United Kingdom, the term listed building refers to a building or other structure officially designated as being of special architectural, historical, or cultural significance; Grade I structures are those considered to be "buildings of exceptional interest". Listing was begun by a provision in the Town and Country Planning Act 1947. Once listed, strict limitations are imposed on the modifications allowed to a building's structure or fittings. In Wales, the authority for listing under the Planning (Listed Buildings and Conservation Areas) Act 1990 rests with Cadw.

## Buildings

| Name | Location Grid Ref. Geo-coordinates | Date Listed | Function | Notes | Reference Number | Image |
| Plas Uchaf | Cynwyd SJ0531642722 52°58′25″N 3°24′41″W﻿ / ﻿52.973480895127°N 3.4114556447492°W﻿ / 52.973480895127; -3.4114556447492﻿ (Plas Uchaf) | 4 June 1952 | House | Located off the W side of a lane which runs N from Cynwyd to Melin Rug. The front faces S, the ground sloping downhill to the E. | 663 | See more images |
| Rhug Chapel | Corwen SJ0649543889 52°59′03″N 3°23′39″W﻿ / ﻿52.984175476174°N 3.3942417424992°W﻿ / 52.984175476174; -3.3942417424992﻿ (Rhug Chapel) | 20 October 1966 | Chapel | Built in 1637 as a private chapel. | 671 | See more images |
| Llangar Church | Llangar, Cynwyd SJ0635442452 52°58′16″N 3°23′45″W﻿ / ﻿52.971237189749°N 3.3959249229438°W﻿ / 52.971237189749; -3.3959249229438﻿ (Llangar Church) | 20 October 1966 | Church | In a rural location on the E banks of the River Dee, and set down from B4401. The church is set in a large churchyard, the stone boundary wall probably C18, and with many contemporary table tombs. | 704 | See more images |
| St Mary's Church | Derwen SJ0703150728 53°02′45″N 3°23′18″W﻿ / ﻿53.045727515668°N 3.3882321080786°W﻿ / 53.045727515668; -3.3882321080786﻿ (St Mary's Church) | 19 July 1966 | Church | At the centre of the village of Derwen. | 725 | See more images |
| St Garmon's Church | Llanarmon-yn-Iâl SJ1907556158 53°05′47″N 3°12′36″W﻿ / ﻿53.096489235474°N 3.2099917633009°W﻿ / 53.096489235474; -3.2099917633009﻿ (St Garmon's Church) | 19 July 1966 | Church | Situated in the centre of Llanarmon village. | 735 | See more images |
| St Meugan's Church | Llanrhydd SJ1400257761 53°06′36″N 3°17′10″W﻿ / ﻿53.110100221693°N 3.286161480325°W﻿ / 53.110100221693; -3.286161480325﻿ (St Meugan's Church) | 19 July 1966 | Church | Located at the southern boundary of the community, some 1.5km SW of Llanbedr village and approximately 1.5km E of Ruthin; set within its own raised and partly revetted churchyard, with a particularly good series of C18 and C19 monuments. | 739 | See more images |
| St Cynhafal's Church | Llangynhafal SJ1331363400 53°09′38″N 3°17′53″W﻿ / ﻿53.160664164341°N 3.2979783344756°W﻿ / 53.160664164341; -3.2979783344756﻿ (St Cynhafal's Church) | 19 July 1966 | Church | Reached by a minor road east of Llangynhafal. The churchyard is circular, considerably raised above road level on the west, and partly surrounded by a rubble stone wall. War memorial set in west wall of churchyard. Iron gates; winding path from west. | 786 | See more images |
| St Dyfnog's Church | Llanrhaeadr-yng-Nghinmeirch SJ0816763375 53°09′34″N 3°22′30″W﻿ / ﻿53.159575329704°N 3.3749127687346°W﻿ / 53.159575329704; -3.3749127687346﻿ (St Dyfnog's Church) | 19 July 1966 | Church | Picturesquely-sited in the village centre, set back from the road within its own walled churchyard. | 792 | See more images |
| St Saeran's Church | Llanynys SJ1031962672 53°09′13″N 3°20′33″W﻿ / ﻿53.15362530365°N 3.3425401162321°W﻿ / 53.15362530365; -3.3425401162321﻿ (St Saeran's Church) | 19 July 1966 | Church | Located in the centre of the small village of Llanynys towards the north-eastern boundary of the community. | 808 | See more images |
| Ruthin Castle | Ruthin SJ1233558051 53°06′45″N 3°18′40″W﻿ / ﻿53.112434511512°N 3.3111366185518°W﻿ / 53.112434511512; -3.3111366185518﻿ (Ruthin Castle) | 24 October 1950 | Castle | Situated on a rise at the S end of the town, the entrance drive continuing S from Castle Street. | 825 | See more images |
| Nantclwyd y Dre (Nantclwyd House) | Ruthin SJ1236158185 53°06′49″N 3°18′39″W﻿ / ﻿53.113642999487°N 3.3107849343471°W﻿ / 53.113642999487; -3.3107849343471﻿ (Nantclwyd y Dre (Nantclwyd House)) | 24 October 1950 | House | Situated in a block of buildings in Castle Street. | 833 | See more images |
| St Peter's Church | Ruthin SJ1236258376 53°06′55″N 3°18′39″W﻿ / ﻿53.1153596091°N 3.3108222191707°W﻿ / 53.1153596091; -3.3108222191707﻿ (St Peter's Church) | 24 October 1950 | Church | Located off the N side of St Peter's Square, in the centre of Ruthin. | 905 | See more images |
| St Marcella's Church | Denbigh SJ0713866233 53°11′06″N 3°23′28″W﻿ / ﻿53.185079227083°N 3.3911282959194°W﻿ / 53.185079227083; -3.3911282959194﻿ (St Marcella's Church) | 24 October 1950 | Church | Located in open countryside within Denbigh Green, approximately 1.6km SE of Denbigh; within its own rubble-walled churchyard. Also known as Whitchurch. | 952 | See more images |
| Town Wall, including North-East, Countess and Goblin Towers | Denbigh SJ0524465805 53°10′51″N 3°25′10″W﻿ / ﻿53.18089859994°N 3.4193352920837°W﻿ / 53.18089859994; -3.4193352920837﻿ (Town Wall, including North-East, Countess and Goblin Towers) | 24 October 1950 | Town wall | Defining the Old Town boundary in a long arc to the E of the castle and rising dramatically at the top of a wooded, craggy hill-slope. | 954 | See more images |
| Denbigh Castle | Denbigh SJ0516365811 53°10′51″N 3°25′14″W﻿ / ﻿53.180938059592°N 3.4205487037457°W﻿ / 53.180938059592; -3.4205487037457﻿ (Denbigh Castle) | 2 February 1981 | Castle | Prominently-sited at the southern end of the Old Town, with commanding views over the Vale of Clwyd. | 968 | See more images |
| St Hilary's Chapel | Denbigh SJ0521165903 53°10′54″N 3°25′11″W﻿ / ﻿53.181773350603°N 3.4198580115459°W﻿ / 53.181773350603; -3.4198580115459﻿ (St Hilary's Chapel) | 24 October 1950 | Church tower | Located within the walls of the old town immediately N of and below the castle. | 969 | See more images |
| Leicester's Church (Remains) | Denbigh SJ0529365952 53°10′56″N 3°25′07″W﻿ / ﻿53.182228298792°N 3.4186459320215°W﻿ / 53.182228298792; -3.4186459320215﻿ (Leicester's Church (Remains)) | 24 October 1950 | Church (ruined) | Located within the old walled town on Castle Hill, some 50m NE of the tower of St Hilary's Church. | 970 | See more images |
| Burgess Gate | Denbigh SJ0515465995 53°10′57″N 3°25′15″W﻿ / ﻿53.182589896527°N 3.4207379861226°W﻿ / 53.182589896527; -3.4207379861226﻿ (Burgess Gate) | 2 February 1981 | Gate | On the northern side of the Old Town of Denbigh, at the lower end of the street. | 1020 | See more images |
| Foxhall Newydd | Henllan SJ0298367518 53°11′45″N 3°27′13″W﻿ / ﻿53.195883381667°N 3.4536764916042°W﻿ / 53.195883381667; -3.4536764916042﻿ (Foxhall Newydd) | 24 October 1950 | Country House | Located at the southern edge of Foxhall Woods, some 250m W of Foxhall and 1km SE of Henllan; accessed via a track running W from Foxhall. | 1055 | See more images |
| Llangollen Bridge | Llangollen SJ2151142167 52°58′16″N 3°10′13″W﻿ / ﻿52.971113532805°N 3.1702109153192°W﻿ / 52.971113532805; -3.1702109153192﻿ (Llangollen Bridge) | 24 April 1951 | Bridge | Spans the River Dee at the N end of the main street. | 1080 | See more images |
| St Collen’s Church | Llangollen SJ2167241976 52°58′10″N 3°10′04″W﻿ / ﻿52.969420542288°N 3.1677677705985°W﻿ / 52.969420542288; -3.1677677705985﻿ (St Collen’s Church) | 24 April 1951 | Church | Towards the edge of the town centre. | 1164 | See more images |
| Trevor Hall | Llangollen SJ2563242295 52°58′22″N 3°06′32″W﻿ / ﻿52.972852499149°N 3.1088885942724°W﻿ / 52.972852499149; -3.1088885942724﻿ (Trevor Hall) | 7 June 1952 | Hall | Set in a wooded hillside location overlooking its own parkland and the eastern end of the vale of Llangollen. | 1350 | See more images |
| Bodrhyddan Hall | Rhuddlan SJ0460278774 53°17′50″N 3°25′58″W﻿ / ﻿53.297322878154°N 3.4328266185826°W﻿ / 53.297322878154; -3.4328266185826﻿ (Bodrhyddan Hall) | 24 September 1951 | Hall | Set in parkland approx. lkm east of Rhuddlan. | 1361 | See more images |
| St Asaph Cathedral | St Asaph SJ0389674310 53°15′25″N 3°26′31″W﻿ / ﻿53.257082106226°N 3.4420645905056°W﻿ / 53.257082106226; -3.4420645905056﻿ (St Asaph Cathedral) | 16 November 1962 | Cathedral | Situated in the town centre at the top of the hill. | 1460 | See more images |
| Rhuddlan Castle | Rhuddlan SJ0248977913 53°17′21″N 3°27′51″W﻿ / ﻿53.28920078526°N 3.4642543595051°W﻿ / 53.28920078526; -3.4642543595051﻿ (Rhuddlan Castle) | 10 November 1994 | Castle | Prominently sited on the east bank of the River Clwyd to the SE of the town. | 14977 | See more images |
| Pillar of Eliseg | Llantysilio SJ2026744525 52°59′32″N 3°11′22″W﻿ / ﻿52.992121552838°N 3.1893126610102°W﻿ / 52.992121552838; -3.1893126610102﻿ (Pillar of Eliseg) | 7 June 1963 | Pillar | The pillar is raised on a tumulus, approximately 50m from the road, and 400m N of Valle Crucis Abbey. | 19678 | See more images |
| Valle Crucis Abbey | Llantysilio SJ2044744139 52°59′19″N 3°11′12″W﻿ / ﻿52.988679287644°N 3.1865365488523°W﻿ / 52.988679287644; -3.1865365488523﻿ (Valle Crucis Abbey) | 22 April 1998 | Abbet (ruined) | The abbey lies in the lower Eglwyseg valley between the main road and the river, approximately 0.9km N of Llangollen. | 19693 | See more images |
| Town Wall: Western Section | Denbigh SJ0508865925 53°10′55″N 3°25′18″W﻿ / ﻿53.181949078468°N 3.4217044698133°W﻿ / 53.181949078468; -3.4217044698133﻿ (Town Wall: Western Section) | 27 February 2004 | Town Wall | Defining the old Town boundary, running W and S from the Burgess Gate to the site of the Exchequer Tower. | 82445 | Upload Photo |