83 Colchester Avenue Penylan Cardiff CF23 9NY
Approved on 10 February 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 and first floor rear extensions and alterations.
- Received
- 16 December 2025
- Decision level
- Delegated (officer decision)
- Council
- Cardiff Council
- Ward
- PENYLAN
- ReceivedReceived16 Dec
- ValidatedValidated16 Dec
- Consult.Consultation12 Jan
- TargetTarget Date
- DecidedDecided10 Feb
Decided in 56 days (council typically 49)
About this application
This is a full planning application for an extension at 83 Colchester Avenue Penylan Cardiff CF23 9NY. Cardiff has handled 3,084 applications of this type. This one was decided in 56 days, 7 days longer than Cardiff's typical decision time. There are no previous applications recorded at this address. In the past year there have been 26 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 9NY
- Application type
- Householder Planning Permission
- Scale / size
- Small
Planning application dates
- Date validated
- 16 December 2025
- Consultation expiry
- 12 January 2026
- Consultation start
- 22 December 2025
- Consultation end
- 12 January 2026
- Neighbour consultation start
- 22 December 2025
- Neighbour consultation end
- 12 January 2026
- Last date for comments
- 12 January 2026
Applicant and agent
- Agent
- DTBDESIGN
- Agent address
- Temple Court 13A Cathedral Road Cardiff CF11 9HA
Site constraints
Source: Cardiff
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Around this site
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- GC InstallationsWindow & Door Installer0.1 mi
- Autocraft Cardiff Limited0.3 mi
- Evans Facility Services LtdElectrician0.3 mi
- Evans Electrical LtdElectrician0.3 mi
Planning something similar?
See what the council approved and refused for two-storey and first-floor extensions on your street. Pick your home and get the evidence before you pay for drawings.