18 Trem Y Coed St Fagans Cardiff CF5 6FB
Approved on 19 January 2026
Council decision: Permission GrantedDelegated (officer decision)
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
Ground floor rear extension and associated works.
- Received
- 5 January 2026
- Decision level
- Delegated (officer decision)
- Council
- Cardiff Council
- Ward
- PENTYRCH AND ST FAGANS
- Agent
- Resi Design Ltd
- ReceivedReceived5 Jan
- ValidatedValidated5 Jan
- Consult.Consultation21 Jan
- TargetTarget Date
- DecidedDecided19 Jan
Decided in 14 days (council typically 49)
About this application
This is an outline application for a rear extension at 18 Trem Y Coed St Fagans Cardiff CF5 6FB. Cardiff has handled 466 applications of this type. This one was decided in 14 days, 5 weeks quicker than Cardiff's typical decision time. There are no previous applications recorded at this address. In the past year there have been 70 applications across PENTYRCH AND ST FAGANS. We hold 1,880 applications in total for the CF5 postcode area.
93% of outline 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
- CF5 6FB
- Application type
- Cert of Lawfulness Proposed (s192)
- Scale / size
- Small
Planning application dates
- Date validated
- 5 January 2026
- Last date for comments
- 21 January 2026
Applicant and agent
- Agent
- Resi Design Ltd
- Agent address
- Unit 118 Workspace Kennington Park Canterbury Court London SW9 6DE
Site constraints
Source: Cardiff
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Around this site
Nearby applications
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- C A Rogers Electrical SystemsElectrician0.2 mi
- Storm Preservation ServicesDamp Proofing & Timber Treatment Specialists0.4 mi
- I Electrician & Renewables LtdElectrician0.8 mi
- Jars Electrical & Home ImprovementsElectrician0.9 mi
Planning something similar?
See what the council approved and refused for single-storey rear extensions on your street. Pick your home and get the evidence before you pay for drawings.