39 Crystal Avenue Heath Cardiff CF23 5QL Data via plota.co.uk
Proposal
Single storey rear and side extension. Data via plota.co.uk
Application progress
Approved on 29 Jan 2026 · Delegated to Group Leader · Last checked 9 Oct 2026
Documents 3
Decision & officer reports 1
Application forms 1
Other documents 1
Site constraints 1
Checked on 9 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 3
Last sold for £340,000 in September 2018. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in March 2018, the latest held for this property. The building may have changed since. View the certificate
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Nearby new applications
67 St Ina Road Heath Cardiff CF14 4LT
Demolition of existing garage, erection of single storey rear and side extension
18 St Isan Road Heath Cardiff CF14 4LX
Proposed ground and first floor rear and side extension
45 Beatty Avenue Cyncoed Cardiff CF23 5QR
Proposed Ground Floor Rear and Side Extension plus Rear Dormer Loft Conversion
35 Fidlas Road Cyncoed Cardiff CF14 0LW
Branch reductions.
Land Adjacent To 82 Heath Park Avenue Heath Cardiff CF14 3RJ
Demolition of garages and construction of single storey two bedroom dwelling.
116 Heath Park Avenue Heath Cardiff CF14 3RJ
Construction of an orangery to the rear elevation.
Important details
- Council
- Cardiff
- Application type
- Cert of Lawfulness Proposed (s192)
- Postcode
- CF23 5QL
- Received
- 19 Dec 2025
- Validated
- 22 Dec 2025
- Ward
- HEATH
- Case officer
- Show
- Decision
- Permission Granted
- Decision date
- 29 Jan 2026
- Decision level
- Delegated to Group Leader
- Appeal
- Allowed · 23 Jun 2026 · Written Representations · Inspectorate case 6004842 ↗
- Applicant
- Show
- Agent
- Palmer Architectural Services
How this decision compares
Decided in 38 days from validation, 19 days slower than Cardiff's median of 19 for lawful development certificates. Approved, as 95% of lawful development certificates here are.
Plota live figures for lawful development certificates decided by Cardiff in the last twelve months, from validation. Cardiff decision record →
Public comments
No public comments yet.
Last counted 9 Oct 2026
Consultation & key dates
- Env. assessment
- No
Historical activity at this location
7 nearby applications on record - archival context, not part of the live application.
Nearby activity
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.
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39 Crystal Avenue Heath Cardiff CF23 5QL
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