139 Heol Isaf Radyr Cardiff CF15 8DX Data via plota.co.uk
Proposal
Demolition of existing conservatory and removal of existing flat roof. Erection of a single-storey side and rear extension, including the construction of a new lean-to roof to rear of property. Data via plota.co.uk
Application progress
Approved on 22 Sept 2026 · Delegated to Group Leader · Last checked 24 Sept 2026
Documents 4
Decision & officer reports 1
Statements & assessments 1
Application forms 1
Other documents 1
Site constraints 3
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 1
Last sold for £581,275 in July 2018. 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 April 2018, the latest held for this property. The building may have changed since. View the certificate
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Other new applications on this street
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18 Clos Parc Radur Radyr Cardiff CF15 8GH
Single storey rear extension.
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Dormer loft conversion to rear
Land To The South Of Llantarnam Drive Radyr Cardiff CF15 8GA
Proposed construction of 2 detached dwellings
189 Goetre Fawr Radyr Cardiff CF15 8ET
Single storey side extension and replacement of conservatory roof.
Important details
How this decision compares
Decided in 46 days from validation, 8 days faster than Cardiff's median of 54 for demolitions. Approved, as 96% of demolitions here are.
Plota live figures for demolitions decided by Cardiff in the last twelve months, from validation. Cardiff decision record →
Public comments
No public comments yet.
3 neighbours consulted · Last counted 24 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15139979
- Planning Portal ref
- PP-15139979
- Neighbours
- 12 Aug 2026
- Consultation
- 12 Aug 2026
- Comments by
- 8 Sept 2026
- Site or press notice
- 18 Aug 2026
- Env. assessment
- No
Historical activity at this location
6 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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139 Heol Isaf Radyr Cardiff CF15 8DX
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