33 Blossom Drive Lisvane Cardiff CF14 0BE Data via plota.co.uk

26/01807/CLPUD - Cert of Lawfulness Proposed (s192) Refused

Proposal

Proposed single storey rear extension and conversion of integral garage Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
25 Aug 2026
✗
Refused
8 Sept 2026
Appeal
Not lodged

Refused on 8 Sept 2026 · Delegated to Group Leader · Last checked 12 Sept 2026

Site constraints 2

Also on the record
Radon affected area, class 4; Registered park or garden 245 m away: Parc Cefn Onn.
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.

Sales history 2

Last sold for £420,000 in August 2007. Detached house, freehold.

10 August 2007£420,000
12 November 1999£156,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area135 m² (1,453 sq ft)
Energy ratingC (69 out of 100), could reach B
PropertyDetached house, 6 habitable rooms
Built1976 to 1982
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, partial insulation (assumed)

From the energy performance certificate lodged in January 2023, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Cardiff
Application type
Cert of Lawfulness Proposed (s192)
Postcode
CF14 0BE
Received
25 Aug 2026
Validated
25 Aug 2026
Ward
LISVANE AND THORNHILL
Case officer
Show
Decision
Refuse
Decision date
8 Sept 2026
Decision level
Delegated to Group Leader
Applicant
Show
Agent
@rchitecture

How this decision compares

Decided in 14 days from validation, 36 days faster than Cardiff's median of 50 for extensions. Refused, as 6% of extensions here are.

68%decided within 8 weeks
94%approved
650decided 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 12 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15181853
Planning Portal ref
PP-15181853
Env. assessment
No

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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.