Report, Document
Accredited museums in Wales
List of accredited museums and galleries in Wales.
In this page
Local authority museums
| Museum | County | Accreditation number | Date of last review |
|---|---|---|---|
| Abergavenny Museum | Monmouthshire | 1245 | 09/05/2024 |
| Brecknock Museum and Art Gallery | Powys | 1506 | 12/09/2024 |
| Buckley Library, Museum and Gallery | Flintshire | 2126 | 19/02/2026 |
| Caldicot Castle | Monmouthshire | 1244 | 11/07/2024 |
| Cardiff Castle | Cardiff | 1315 | 11/07/2019 |
| Carmarthenshire County Museum | Carmarthenshire | 1325 | 24/04/2025 |
| Ceredigion Museum | Ceredigion | 1379 | 09/05/2019 |
| Chepstow Museum | Monmouthshire | 1246 | 11/07/2024 |
| Conwy Culture Centre | Conwy | 2449 | 31/05/2023 |
| Cyfarthfa Castle Museum and Art Gallery | Merthyr Tydfil | 289 | 20/11/2025 |
| Glynn Vivian Art Gallery | Swansea | 281 | 12/09/2024 |
| Joseph Parry's Cottage and Museum | Merthyr Tydfil | 308 | 20/11/2025 |
| Llanidloes Museum | Powys | 1507 | 12/09/2024 |
| Lloyd George Museum and Highgate | Gwynedd | 1429 | 23/02/2017 |
| Mold Library, Museum and Gallery | Flintshire | 2101 | 21/11/2024 |
| Museum of Cardiff | Cardiff | 2225 | 09/05/2019 |
| Museum of Land Speed | Carmarthenshire | 2042 | 24/04/2025 |
| Newport Museum and Art Gallery | Newport | 1329 | 08/03/2018 |
| Oriel Môn | Isle of Anglesey | 156 | 21/11/2024 |
| Parc Howard Museum and Gallery | Carmarthenshire | 2043 | 24/04/2025 |
| Plas Newydd | Denbighshire | 1318 | 04/10/2018 |
| Pontypridd Museum | Rhondda Cynon Taff | 152 | 12/03/2020 |
| Powysland Museum | Powys | 1508 | 12/09/2024 |
| Radnorshire Museum | Powys | 1509 | 12/09/2024 |
| Rhondda Heritage Park Welsh Mining Experience | Rhondda Cynon Taff | 2393 | 04/10/2018 |
| Rhyl Museum | Denbighshire | 1334 | 04/10/2018 |
| Ruthin Gaol | Denbighshire | 2184 | 04/10/2018 |
| Scolton Manor Museum | Pembrokeshire | 1326 | 11/07/2024 |
| Shire Hall Museum | Monmouthshire | 1243 | 09/05/2024 |
| Storiel | Gwynedd | 1512 | 23/02/2017 |
| Swansea Museum | Swansea | 283 | 09/05/2024 |
| Wrexham County Borough Museum | Wrexham | 1321 | 19/06/2025 |
Independent museums
| Museum | County | Accreditation number | Date of last review |
|---|---|---|---|
| Abertillery and District Museum | Blaenau Gwent | 2044 | 21/03/2024 |
| Amgueddfa Torfaen Museum | Torfaen | 298 | 07/08/2025 |
| Andrew Logan Museum Of Sculpture | Powys | 1646 | 11/07/2019 |
| Barmouth Sailors' Institute | Gwynedd | 2008 | 21/11/2024 |
| Blaenavon Community Heritage | Torfaen | 2337 | 21/04/2016 |
| Blaina Heritage Museum | Blaenau Gwent | 2295 | 19/06/2025 |
| CARAD Rhayader Museum and Gallery | Powys | 2232 | 30/04/2026 |
| Cowbridge & District Museum | Vale of Glamorgan | 2357 | 12/09/2024 |
| Cynon Valley Museum | Rhondda Cynon Taff | 142 | 09/05/2024 |
| Ebbw Vale Works Archival Trust | Blaenau Gwent | 2286 | 10/05/2018 |
| Greenfield Valley Museum | Flintshire | 194 | 21/11/2024 |
| Haverfordwest Town Museum | Pembrokeshire | 1895 | 29/11/2018 |
| Holyhead Maritime Museum | Isle of Anglesey | 1320 | 19/02/2026 |
| Internal Fire: Museum of Power | Ceredigion | 2272 | 07/03/2019 |
| Judge's Lodging | Powys | 1960 | 19/06/2025 |
| Llandudno Museum | Conwy | 1434 | 05/10/2023 |
| Llangollen Museum | Denbighshire | 2264 | 19/06/2025 |
| Llŷn Maritime Museum | Gwynedd | 2338 | 21/04/2016 |
| Menai Heritage | Isle of Anglesey | 2291 | 21/11/2024 |
| Milford Haven Heritage and Maritime Museum | Pembrokeshire | 1502 | 30/04/2026 |
| Mold Library, Museum and Gallery | Flintshire | 2101 | 21/11/2024 |
| Museum of Modern Art Machynlleth | Powys | 928 | 12/03/2020 |
| Museum of Welsh Cricket | Cardiff | 2391 | 04/10/2018 |
| Narberth Museum | Pembrokeshire | 2304 | 19/02/2026 |
| Narrow Gauge Railway Museum | Gwynedd | 1433 | 30/04/2026 |
| Newtown Textile Museum | Powys | 2510 | 05/10/2023 |
| Old Bell Museum | Powys | 197 | 09/11/2023 |
| Oriel Plas Glyn y Weddw | Gwynedd | 2293 | 08/03/2018 |
| Pembroke Dock Heritage Trust | Pembrokeshire | 2504 | 27/07/2023 |
| Pembroke Museum | Pembrokeshire | 2540 | 21/11/2024 |
| Penmaenmawr Museum | Conwy | 2314 | 29/11/2018 |
| Porthcawl Museum | Bridgend | 1427 | 21/11/2024 |
| Porthmadog Maritime Museum | Gwynedd | 1579 | 12/03/2020 |
| Rhyl Miniature Railway | Denbighshire | 2263 | 19/06/2025 |
| Robert Owen Memorial Museum | Powys | 1319 | 29/11/2018 |
| Royal Mint Museum | Rhondda Cynon Taff | 2283 | 12/09/2024 |
| Sir Henry Jones Museum | Conwy | 1872 | 09/05/2024 |
| South Wales Miner's Museum | Neath Port Talbot | 285 | 12/07/2018 |
| St Winefride's Well | Flintshire | 2349 | 24/11/2016 |
| Tenby Museum and Art Gallery | Pembrokeshire | 1241 | 12/07/2018 |
| Tredegar and District Museum | Blaenau Gwent | 2319 | 29/11/2018 |
| West Wales Maritime Heritage Centre | Pembrokeshire | 2500 | 31/05/2023 |
| Wireless in Wales | Denbighshire | 2292 | 24/04/2025 |
| Yr Ysgwrn | Gwynedd | 2392 | 04/10/2018 |
National museums
| Museum | County | Accreditation number | Date of last review |
|---|---|---|---|
| Big Pit: The National Mining Museum of Wales | Torfaen | 309 | 19/06/2025 |
| National Museum Cardiff | Cardiff | 1697 | 19/06/2025 |
| National Roman Legion Museum | Newport | 1698 | 19/06/2025 |
| National Slate Museum | Gwynedd | 1703 | 19/06/2025 |
| National Waterfront Museum | Swansea | 2196 | 19/06/2025 |
| National Wool Museum | Carmarthenshire | 1702 | 19/06/2025 |
| St Fagans: National History Museum | Cardiff | 1699 | 19/06/2025 |
National Trust museums
| Museum | County | Accreditation number | Date of last review |
|---|---|---|---|
| Chirk Castle | Wrexham | 1790 | 30/03/2023 |
| Dinefwr Park and Castle | Carmarthenshire | 2229 | 30/03/2023 |
| Erddig | Wrexham | 1615 | 09/11/2022 |
| Llanerchaeron | Ceredigion | 2230 | 09/11/2022 |
| Penrhyn Castle | Gwynedd | 1614 | 09/11/2022 |
| Plas Newydd | Isle of Anglesey | 1791 | 09/11/2022 |
| Plas Yn Rhiw | Gwynedd | 1862 | 09/11/2022 |
| Powis Castle | Powys | 2365 | 21/09/2017 |
| Tredegar House and Park | Newport | 1330 | 09/11/2022 |
Regimental museums
| Museum | County | Accreditation number | Date of last review |
|---|---|---|---|
| Firing Line: Museum of the Welsh Soldier | Cardiff | 2281 | 09/05/2024 |
| Monmouth Castle And Regimental Museum | Monmouthshire | 259 | 07/03/2019 |
| Regimental Museum of the Royal Welsh | Powys | 1331 | 30/04/2026 |
| Royal Welch Fusiliers Regimental Museum | Gwynedd | 1673 | 19/02/2026 |
University museums
| Museum | County | Accreditation number | Date of last review |
|---|---|---|---|
| Aberystwyth University School of Art Museum & Galleries | Ceredigion | 1912 | 05/10/2023 |
| Bangor University Museum | Gwynedd | 2551 | 07/08/2025 |
| Egypt Centre - Swansea University | Swansea | 1879 | 30/03/2023 |
| University of South Wales, Art Collection Museum | Rhondda Cynon Taff | 2023 | 19/06/2025 |
Museums with “working towards accreditation” status
| Museum | County | Accreditation number | Target application date |
|---|---|---|---|
| Aber Valley Heritage Museum | Caerphilly | T633 | 14/12/2026 |
| Hay Castle Trust | Powys | T546 | 17/03/2024 |
| Dylan Thomas Boathouse | Carmarthenshire | T632 | 15/12/2026 |
| Llandovery Museum | Powys | T494 | 31/07/2022 |
| Nantgarw China Works Museum | Rhondda Cynon Taff | T530 | 27/07/2023 |
| National Library of Wales | Ceredigion | T578 | 24/06/2025 |
| Newtown Textile Museum | Powys | T393 | 20/11/2020 |
| Oriel Josef Herman | Powys | T596 | 08/11/2025 |
| Pembroke Museum | Pembrokeshire | T542 | 09/10/2026 |