43 Blethin Close Llandaff Cardiff CF5 2RR Data via plota.co.uk

26/01512/CLPUD - Cert of Lawfulness Proposed (s192) Approved

Proposal

Single storey rear and side extension. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
21 Jul 2026
✓
Validated
22 Jul 2026
✓
Approved
29 Jul 2026

Approved on 29 Jul 2026 · Delegated to Group Leader · Last checked 30 Jul 2026

Site constraints 1

Also on the record
Radon affected area, class 3.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 6 October 2026. 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.

Building

Floor area63 m² (678 sq ft)
Energy ratingD (60 out of 100), could reach C
PropertySemi-detached house, 5 habitable rooms
Built1967 to 1975
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity

From the energy performance certificate lodged in July 2026, the latest held for this property. The building may have changed since. View the certificate

Work with planning data?

Every application in Cardiff - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Important details

Council
Cardiff
Application type
Cert of Lawfulness Proposed (s192)
Postcode
CF5 2RR
Received
21 Jul 2026
Validated
22 Jul 2026
Ward
LLANDAFF
Case officer
Show
Decision
Permission Granted
Decision date
29 Jul 2026
Decision level
Delegated to Group Leader
Applicant
Show
Agent
CFW Architects Ltd

How this decision compares

Decided in 7 days from validation, 42 days faster than Cardiff's median of 49 for extensions. Approved, as 94% of extensions here are.

69%decided within 8 weeks
94%approved
574decided in the last year

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

Public comments

No public comments yet.

Last counted 30 Jul 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15100476
Planning Portal ref
PP-15100476
Env. assessment
No

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

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.