# Grade I listed buildings in Swansea

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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 |
| Oystermouth Castle | Mumbles SS6132288354 51°34′37″N 4°00′10″W﻿ / ﻿51.576955383°N 4.0026805136922°W﻿ / 51.576955383; -4.0026805136922﻿ (Oystermouth Castle) | 23 April 1952 | Ruin | Approximately 500m NW of Oystermouth church, prominently sited on high ground overlooking the village and Swansea Bay. | 11518 | See more images |
| Church of St Cadoc, Cheriton | Cheriton SS4504893186 51°36′58″N 4°14′22″W﻿ / ﻿51.616119697317°N 4.2394853056766°W﻿ / 51.616119697317; -4.2394853056766﻿ (Church of St Cadoc, Cheriton) | 3 June 1964 | Church | In the hamlet of Cheriton, east of Llanmadoc. Stone churchyard wall on three sides, with iron railing, gate, and lamp arch to east. Concrete path to church door. The grave stone (renewed) of Rev WD Davies is close to porch door. | 11521 | See more images |
| Oxwich Castle | Penrice SS4978086283 51°33′19″N 4°10′06″W﻿ / ﻿51.555383161423°N 4.1682353391636°W﻿ / 51.555383161423; -4.1682353391636﻿ (Oxwich Castle) | 9 June 1952 | Ruin | On high ground 0.5km south of Oxwich village | 11530 | See more images |
| Penrice Castle (Mansion) | Penrice SS4967188384 51°34′27″N 4°10′15″W﻿ / ﻿51.574231296572°N 4.170705592426°W﻿ / 51.574231296572; -4.170705592426﻿ (Penrice Castle (Mansion)) | 9 June 1952 | House | 100m south of Penrice Castle Ancient Monument, reached by a private drive from the A4118. | 11531 | See more images |
| Weobley Castle | Llanrhidian Lower SS4782092730 51°36′46″N 4°11′57″W﻿ / ﻿51.612780834967°N 4.1992812330533°W﻿ / 51.612780834967; -4.1992812330533﻿ (Weobley Castle) | 3 June 1964 | Ruin | 250m north of the minor road from Oldwalls to Landimore, on a scarp overlooking Llandimore Marsh and the Burry Estuary. | 11534 | See more images |
| Swansea Castle | City centre SS6571693067 51°37′13″N 3°56′28″W﻿ / ﻿51.620373298804°N 3.9411155025269°W﻿ / 51.620373298804; -3.9411155025269﻿ (Swansea Castle) | 23 April 1952 | Ruin | In the centre of the city, on the curving W bank of the former course of the River Tawe. | 11568 | See more images |
| Tabernacle Chapel | Morriston SS6695397818 51°39′48″N 3°55′30″W﻿ / ﻿51.663360929042°N 3.9250660145806°W﻿ / 51.663360929042; -3.9250660145806﻿ (Tabernacle Chapel) | 30 September 1993 | Chapel | Grand chapel of 1870-72 originally known as New Libanus Chapel. Located on the north-east corner of Woodfield Street and Crown Street it is the work of architect John Humphreys and builder Daniel Edwards, both of Morriston. | 11744 | See more images |
| Guildhall | Uplands SS6436092391 51°36′50″N 3°57′38″W﻿ / ﻿51.613972882688°N 3.9604285748025°W﻿ / 51.613972882688; -3.9604285748025﻿ (Guildhall) | 25 July 1994 | Office | Between Guildhall Road North and Guildhall Road South, to NE of Victoria Park. | 14594 | See more images |