Planning application
139 Heol Isaf Radyr Cardiff CF15 8DX
Works: Extension Demolition Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
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.
As published by the council, reference 26/01687/HSE
Application record
- Reference
- 26/01687/HSE
- Type
- Householder Planning Permission
- Status
- Registered
- Received
- 7 Aug 2026
- Validated
- 7 Aug 2026
- Ward
- RADYR AND MORGANSTOWN
- Postcode
- CF15 8DX
Timeline
Dates from the published record
-
7 Aug 2026
Received by Cardiff
-
13 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 2 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Cardiff took a median of 55 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
12 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat happens while it is decided
This application is with Cardiff for determination, against a statutory target of eight weeks. Over the last year Cardiff decided householder applications in a median of 61 days. More in our guide to how long planning decisions take.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 500 metres
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1 Heol Roald Dahl Radyr Cardiff CF15 8GT
Proposed loft conversion with three pitched roof dormers to the rear elevation and three velux rooflights to the front elevation.
Granted Lawful development Loft or dormer 5 docs -
1 Heol Roald Dahl Radyr Cardiff CF15 8GT
Rear dormer loft conversion with velux rooflights.
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Radyr Comprehensive School Heol Isaf Radyr Cardiff CF15 8XG
PROVIDE A NEW TWO-STOREY PERMANENT BLOCK CONTAINING TEN CLASSROOMS, WITH ASSOCIATED WC'S, STORAGE, STAFF ACCOMMODATION AND PLANT
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2 Dol Isaf Radyr Cardiff CF15 8HF
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17 Heol Roald Dahl Radyr Cardiff CF15 8GT
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Granted Householder Extension 9 docsSmall domestic -
Land North And South Of Llantrisant Road North West Cardiff
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Decided Conditions 10 docs
Other householder applications
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25/01805/HSE Refused
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26/01459/HSE Granted
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26/01841/HSE Awaiting decision
160 Heol Llanishen Fach Rhiwbina Cardiff CF14 6RG
Two storey side extension and loft conversion with front and rear dormers
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26/01505/HSE Granted
100 Caer Wenallt Rhiwbina Cardiff CF14 7HQ
Front & rear dormers, porch & internal alterations.