11 Llanon Road Llanishen Cardiff CF14 5AF Data via plota.co.uk
Proposal
Rear dormer roof extension. Data via plota.co.uk
Application progress
Approved on 28 Aug 2026 · Chair (1- 5 Reps) · Last checked 28 Aug 2026
Documents 8
Decision & officer reports 1
Statements & assessments 1
Plans & drawings 2
Application forms 1
Consultation & comments 2
Other documents 1
Site constraints 1
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 2
Last sold for £175,000 in July 2014. Terraced 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 2014, the latest held for this property. The building may have changed since. View the certificate
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Important details
How this decision compares
Decided in 49 days from validation, about the council's usual 49 days. Approved, as 94% of extensions here are.
Plota live figures for extensions decided by Cardiff in the last twelve months, from validation. Cardiff decision record →
Public comments
4 neighbours consulted · Last counted 28 Aug 2026
Consultation & key dates
- Alt. reference
- PP-15074450
- Planning Portal ref
- PP-15074450
- Neighbours
- 16 Jul 2026
- Consultation
- 16 Jul 2026
- Comments by
- 6 Aug 2026
- Env. assessment
- No
Historical activity at this location
1 previous application on record - archival context, not part of the live application.
Previous applications at this address
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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11 Llanon Road Llanishen Cardiff CF14 5AF
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