Sir Gaerfyrddin / Carmarthenshire has 1,854 listed buildings, 24 of them Grade I. More listed buildings per home than 60% of areas in England and Wales.
Listed buildings and scheduled monuments are counted where their map point falls; one list entry can cover a terrace or group. Per 1,000 homes uses Census 2021 households. Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), licensed under the Open Government Licence. How we calculate this
All house prices in Sir Gaerfyrddin / CarmarthenshireConservation areas in Wales are not included yet.
In a conservation area you usually need planning permission for work that would be allowed elsewhere, such as cladding, side extensions, some roof changes and demolishing most buildings, and you must give the council six weeks' notice before cutting back or felling most trees. Some areas have extra Article 4 rules, for example on replacing windows or doors. Check with the council before you buy.
A listed home needs listed building consent for any work that affects its character, inside or out, and doing that work without consent is a criminal offence. Grade I buildings are of exceptional interest (about 2.5% of listed buildings), Grade II* are particularly important (about 5.8%), and most, about 92%, are Grade II. One list entry can cover a whole terrace.
This page shows how common listed buildings are in Sir Gaerfyrddin / Carmarthenshire. To check a specific address, search the official list entry or ask the council.
Sir Gaerfyrddin / Carmarthenshire has 24 Grade I listed buildings, the highest grade.
| Building | Listed |
|---|---|
| 20 Vaughan St / Bridge St | 1966 |
| 22 Vaughan St / Bridge St | 1966 |
| 24 Vaughan St / Bridge St | 1966 |
| Carmarthen Castle | 1954 |
| Carreg Cennen Castle | 1998 |
| Church of Saint Mary | 1963 |
| Church of St Margaret Marloes | 1966 |
| Church of St Mary | 1966 |
| Church of St Michael | 1966 |
| Church of St Michael | 1966 |
| Dolauhirion Bridge (partly in Llandovery community) | 1966 |
| Dryslwyn Castle | 1966 |
| Kidwelly Castle | 1963 |
| Laugharne Castle | 1966 |
| Llanelly House | 1966 |
| Llanelly House | 1966 |
| Llansteffan Castle | 1966 |
| Newcastle Emlyn Castle | 1991 |
| Old Dynevor Castle | 1966 |
| Outer Gatehouse to Laugharne Castle | 1986 |
| Parish Church of St Peter | 1954 |
| Plas Taliaris | 1966 |
| Pont Dolauhirion (partly in Cilycwm community) | 1966 |
| The Guildhall | 1954 |
Each name links to its official list entry.
Yes, Sir Gaerfyrddin / Carmarthenshire has 363 scheduled monuments: nationally important sites such as earthworks, ruins and ancient buildings, protected from unauthorised change. These are 50 of them.
Carmarthen has the most listed buildings of the 72 areas of Sir Gaerfyrddin / Carmarthenshire, with 320.
A dash means the area is too small for a fair rate, or its council has not published conservation area boundaries.
More quick answers on house prices, sales, areas, green space, crime, air quality and listed buildings in Sir Gaerfyrddin / Carmarthenshire.
Price information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026. Crime is from police.uk street-level data. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk. Listed buildings and scheduled monuments are from Historic England and Cadw, and conservation areas from planning.data.gov.uk. Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), licensed under the Open Government Licence. Air quality is from Defra modelled background pollution maps. Contains public sector information licensed under the Open Government Licence v3.0. Source: Defra modelled background pollution, 2025.
Last updated 11 November 2026 at 00:16 with the latest Land Registry data (September 2026). The Sir Gaerfyrddin / Carmarthenshire dataset covers 7,990 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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