5 Peterswell Road, Barry Data via plota.co.uk

2026/00524/LAW - Lawful Use or Development application Approved

Proposal

Proposed rear single storey rear extension to replace an existing single storey structure, alteration to garage roof Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
7 Jul 2026
✓
Validated
6 Aug 2026
✓
Approved
27 Aug 2026

Approved on 27 Aug 2026 · Delegated · Last checked 13 Sept 2026

Site constraints 2

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 ↗
Local nature reserve about 275 m away: Cwm Talwg Woodlands
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.
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
Lawful Use or Development application
Postcode
CF62 7NA
Received
7 Jul 2026
Validated
6 Aug 2026
Ward
Illtyd
Parish
Barry Town Council
Case officer
Show
Target decision
1 Oct 2026
Decision
Approved
Decision date
27 Aug 2026
Decision level
Delegated
Applicant
Show

How this decision compares

Decided in 21 days from validation, 35 days faster than Glamorgan's median of 56 for extensions. Approved, as 91% of extensions here are.

51%decided within 8 weeks
91%approved
315decided in the last year

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

Consultation & key dates

Committee
27 Aug 2026