Brookfield Cefn Mably Road Lisvane Cardiff CF14 0SP Data via plota.co.uk

26/01477/CLPUD - Cert of Lawfulness Proposed (s192) Approved

Proposal

Construction of a rear mono pitch roof dormer to form a Loft Conversion. With Velux windows to the Principal and Rear Elevations. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
16 Jul 2026
✓
Approved
28 Jul 2026

Approved on 28 Jul 2026 · Delegated to Group Leader · Last checked 31 Jul 2026

Site constraints 2

Also on the record
Radon affected area, class 4; 1 listed building within 150 m.
Not affected
Outside flood zones 2 and 3 · 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 £908,000 in June 2017. Detached house, freehold.

29 June 2017£908,000
26 June 2000£125,000

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

Building

Floor area285 m² (3,068 sq ft)
Energy ratingD (68 out of 100), could reach C
PropertyDetached house, 10 habitable rooms
Built1996 to 2002
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, insulated (assumed)

From the energy performance certificate lodged in April 2014, 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 0SP
Received
16 Jul 2026
Validated
16 Jul 2026
Ward
LISVANE AND THORNHILL
Case officer
Show
Decision
Permission Granted
Decision date
28 Jul 2026
Decision level
Delegated to Group Leader
Applicant
Show
Agent
Allied Welsh

How this decision compares

Decided in 12 days from validation, 37 days faster than Cardiff's median of 49 for extensions. Approved, as 94% of extensions here are.

68%decided within 8 weeks
94%approved
602decided 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 31 Jul 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15089911
Planning Portal ref
PP-15089911
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.