34 Dorchester Avenue Penylan Cardiff CF23 9BR Data via plota.co.uk
Proposal
Raise ridge loft conversion with rear dormer and roof window to front elevation Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicted a decision around 9 Oct 2026; it is now day 74.
Documents 1
Application forms 1
Site constraints 4
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 4
Last sold for £450,000 in October 2019. 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 July 2013, the latest held for this property. The building may have changed since. View the certificate
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Important details
Decision outlook
Day 74, past the statutory target. 87% of extensions in Cardiff are decided within thirteen weeks, which runs to 26 Oct 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 5 Oct 2026.
Plota live figures for extensions decided by Cardiff in the last twelve months, from validation. Cardiff decision record →
Public comments
No public comments yet.
2 neighbours consulted · Last counted 5 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15109308
- Planning Portal ref
- PP-15109308
- Neighbours
- 30 Jul 2026
- Consultation
- 30 Jul 2026
- Comments by
- 20 Aug 2026
- Env. assessment
- No
Historical activity at this location
17 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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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34 Dorchester Avenue Penylan Cardiff CF23 9BR
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The consultation period closed on 20 Aug 2026.