Ashdene, Factory Road, Llanblethian Data via plota.co.uk

2026/00626/FUL - Full Planning Application Awaiting Consultation Responses

Proposal

Demolition of poor quality rear single storey extension. Construction of 2 storey side extension designed to match the character of the existing house. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
21 Aug 2026
Decision
Target date was 16 Oct 2026

Under consideration

No decision has been issued yet. Plota predicted a decision around 29 Oct 2026; it is now day 69.

The consultation period closed on 17 Sept 2026.

Site constraints 3

Llanblethian 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.
Radon affected area, class 5
An estimated 10 to 30% of homes reach the radon action level. Indicative for the 1 km square, which takes the highest class found in it; a radon test gives the answer for a building.
From the British Geological Survey and UK Health Security Agency indicative atlas. Under building regulations, as the BRE guide BR 211 (2023) sets out, new buildings and extensions need basic radon protection from class 3 in England and Wales and from class 2 in Scotland, and full protection from class 5. The class at the site itself, from the detailed BGS map, decides which.
UKHSA radon ↗
Also on the record
1 listed building within 150 m of the postcode pin.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, 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.

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Important details

Council
Glamorgan
Application type
Full Planning Application
Received
21 Aug 2026
Validated
21 Aug 2026
Ward
Cowbridge
Parish
Cowbridge with Llanblethian Town Council
Case officer
Show
Target decision
16 Oct 2026
Decision level
Delegated
Applicant
Show
Agent
Russell Bailey Architect

Decision outlook

Day 69, past the statutory target. 81% of demolitions in Glamorgan are decided within thirteen weeks, which runs to 20 Nov 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 28 Oct 2026.

Day 6913 days past the 56-day target
51%decided within 8 weeks
89%approved
50decided in the last year

Plota live figures for demolitions decided by Glamorgan in the last twelve months, from validation. Glamorgan decision record →

Consultation & key dates

Comments by
17 Sept 2026