20 Dorchester Avenue Penylan Cardiff CF23 9BR
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Retrospective permission for proposed loft dormer and side gable extension and installation of an air conditioning unit.
- Received
- 20 July 2026
- Public comments
- 2
- Council
- Cardiff Council
- Ward
- PENYLAN
- Agent
- Benham Architects Ltd
- ReceivedReceived20 Jul
- ValidatedValidated20 Jul
- Consult.Consultation8 Oct
- TargetTarget Date
- DecidedDecided
About this application
This is a full planning application for a dormer extension at 20 Dorchester Avenue Penylan Cardiff CF23 9BR. Cardiff has handled 3,084 applications of this type. It has been with the council since 20 July 2026 and is still awaiting a decision. There are no previous applications recorded at this address. In the past year there have been 27 applications across PENYLAN. We hold 1,386 applications in total for the CF23 postcode area.
95% of full applications at Cardiff Council were approved. Across all application types, the council typically decides in about 7 weeks (median).
Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street
Application details
- Postcode
- CF23 9BR
- Application type
- Householder Planning Permission
- Scale / size
- Small
Planning application dates
- Date validated
- 20 July 2026
- Consultation expiry
- 8 October 2026
- Consultation start
- 25 September 2026
- Neighbour consultation start
- 28 September 2026
- Neighbour consultation end
- 8 October 2026
- Last date for comments
- 8 October 2026
Applicant and agent
- Agent
- Benham Architects Ltd
- Architect profile
- BENHAM ARCHITECTS LIMITED
- Agent address
- 13 St Andrew's Crescent CF10 3DB
Additional information
- Planning Portal ID
- PP-15096011
- Documents
- 14
- Constraints
- 11
Site constraints
Source: Cardiff
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Around this site
Nearby applications
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- 25 Melrose Avenue Penylan Cardiff CF23 9AR26/00188/HSE · FullAwaiting decision0.2 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Evans Facility Services LtdElectrician0.1 mi
- Evans Electrical LtdElectrician0.1 mi
- GC InstallationsWindow & Door Installer0.1 mi
- Vision Electrical Solutions(UK) LimitedElectrician0.2 mi
Planning something similar?
See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.