51 King Street, Carmarthen, SA31 1BH Data via plota.co.uk

PL/11463 - Full planning permission Under Consultation
Change of useCommercial premises

Proposal

Change of use from retail shop A1 (currently vacant) to constituency office B1 Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
24 Sept 2026
✓
Validated
9 Oct 2026
Decision
Expected by 4 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 29 Nov 2026 and 11 Dec 2026, from Carmarthenshire's recent changes of use.

Comments are open until 18 Nov 2026

Comment on this application ↗

Documents

View the documents on the council's website ↗

Site constraints 8

Grade II* listed: No 51 including near-detached rear wing
List entry 9471 · 6 m away · 61 more listed buildings within 150 m (1 Grade I, 60 Grade II)
Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show the other 61 with distances
Cadw ↗
Carmarthen Town conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Air quality management area: Carmarthen AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Scheduled monument 103 m away: Carmarthen Roman Fort (part of)
Its setting is a consideration for work nearby.
Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.
Special area of conservation 231 m away: Afon Tywi / River Tywi
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Also on the record
SSSI 231 m away: Afon Tywi; Radon affected area, class 4; National infrastructure project 1987 m away: Brechfa Forest Connection.
Not affected
Outside flood zones 2 and 3

Checked on 14 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Building

Floor area413 m² (4,445 sq ft)
Energy ratingE (asset rating 108)
UseA1/A2 Retail and Financial/Professional services
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in December 2012, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Other new applications on this street

11 Aug 2026Approved

54 & 54A King Street, Carmarthen, SA31 1BD

Change of use of ground floor No.54 from night club to retail shopping. Form acc...

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2 Jun 2026Pending

24 King Street, Carmarthen, SA31 1BS

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25 Sept 2026Pending

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9 Sept 2026Pending

25 Blue Street, Carmarthen, SA31 3LE

Installation of Shop Fascia and Off-Licence Signage

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7 Sept 2026Approved

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21 Aug 2026Approved

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Important details

Council
Carmarthenshire
Application type
Full planning permission
Postcode
SA31 1BH
Received
24 Sept 2026
Validated
9 Oct 2026
Ward
Carmarthen North and South
Parish
Carmarthen
Case officer
Show
Target decision
4 Dec 2026

Decision outlook

Day 19 of the 56-day target. Carmarthenshire usually decides changes of use by day 56.

Day 1937 days to the 56-day target
54%decided within 8 weeks
74%approved
82decided in the last year

Plota live figures for changes of use decided by Carmarthenshire in the last twelve months, from validation. Carmarthenshire decision record →

Consultation & key dates

Comments by
18 Nov 2026

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Withdrawn
24 King Street, Carmarthen, SA31 1BS
Change of use of first and second floor from Use Class (E) to Use Class (C3) for 4 new se…
PL/10049
2025 Refused
24 King Street, Carmarthen, SA31 1BS
Change of use of first and second floor from Use Class (E) to Use Class (C3) for 4 new se…
PL/10078
2025
54 and 54a King Street, Carmarthen, SA31 1BD
Change of use of ground floor of No. 54 from night club to retail shopping. Form access a…
PL/10264
2025 Approved
2 Queen Street, Carmarthen, SA31 1JR
Replace 2 box sash windows
PL/09799
2025 Approved
Lloyds Bank, 42-43 King Street, Carmarthen, SA31 1BW
New Lloyds external signage
PL/09555
2025 Approved
Lloyds Bank, 42-43 King Street, Carmarthen, SA31 1BW
New Lloyds banking signage
PL/09556
2025 Approved
21 King Street, Carmarthen, SA31 1BH
Change the use of the downstairs of 21 King Street from A1 use to D1 use. Previous use as…
PL/09601
2025
Lloyds Bank, 42-43 King Street, Carmarthen, SA31 1BW
Scope of works only on the ground floor of the branch: Involves rebuilding partitions to…
PL/09320
2025
Lloyds Bank, 42-43 King Street, Carmarthen, SA31 1BW
Scope of works only on the ground floor of the branch: Involves rebuilding partitions to…
PL/09321
2024 Approved
Old Stables, Woods Row, Carmarthen
Change of use of first floor of building to form a self-contained holiday unit (let)
PL/08554
2025 Approved
55 King Street, Carmarthen, SA31 1BD
Change of use from A1 to A2
PL/09113
2025
7 Queen Street, Carmarthen, SA31 1JR
Demolition of existing partition walls and build new ones, with a different configuration…
PL/09079
2025
7 Queen Street, Carmarthen, SA31 1JR
Demolition of existing partition walls and build new ones, with a different configuration…
PL/09080
2024 Approved
21 King Street, Carmarthen, SA31 1BH
Change of use of downstairs from A1 use to D1 use
PL/08471
2024 Approved
Cwrw, 32 King Street, Carmarthen, SA31 1BS
Proposal for the Modification: Replacement of single window with single fire exit door
PL/08003
2024 Approved
32 King Street, Carmarthen, SA31 1BS
Create public art mural that will commemorate the people and events that have contributed…
PL/07997
2024 Approved
7B King Street, Carmarthen, SA31 1BD
Change of use from A1 (hairdressers) to a A3 (cafe)
PL/07540
2023 Refused
7 Queen Street, Carmarthen, SA31 1JR
Propose to paint and refurb existing window sills and their arches with an array of rainb…
PL/06221
2022 Approved
5-8 Spilman Street, Carmarthen, SA31 1LE
Conversion of office space (Class B1) to 12no. self-contained residential flats with mino…
PL/03743
2022 Approved
47-48, King Street, Carmarthen, SA31 1BH
Proposal for bin store area at rear end of existing pub
PL/04056
2017 Approved
46 KING STREET, CARMARTHEN, SA31 1BH
NEW SECURITY DOOR, NEW WALL MOUNTED BIN AND SOFFIT LIGHT, EDGE PROTECTION, ESCAPE LIGHTIN…
W/35474
2017 Approved
46 KING STREET, CARMARTHEN, SA31 1BH
NEW SECURITY DOOR, NEW WALL MOUNTED BIN AND SOFFIT LIGHT, EDGE PROTECTION, ESCAPE LIGHTIN…
W/35473
2017 Approved
SHOP 18, KING STREET, CARMARTHEN, SA31 1BN
PROPOSED CHANGE OF USE FROM A1 RETAIL TO A2 (FINANCIAL AND PROFESSIONAL SERVICES)
W/35674
2017 Approved
NAPIER HOUSE, 13 SPILMAN STREET, CARMARTHEN, SA31 1JY
CHANGE OF USE OF GROUND FLOOR AND BASEMENT FROM SOCIAL CLUB TO OFFICES
W/35498
2016 Approved
20B KING STREET, CARMARTHEN, SA31 1BH
VINYL GRAPHICS PLACED INSIDE CURRENTLY DISUSED SHOP FRONT WINDOWS
W/34837

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.