HILLINGDON Hillingdon
Conversion of roof space to habitable use to include a rear dormer with 2 front roof lights and conversion of roof from hip to gable end with new gable end window. Front porch (Application for a Certificate of Lawful Development for a Proposed Development)
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Progress
Application details
- Reference
- 54360/APP/2022/3668
- Local authority
- Hillingdon
- Ward
- COLHAM & COWLEY
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 5 Dec 2022
- Validated
- 5 Dec 2022
- Target decision
- 30 Jan 2023
- Decided
- 26 Jan 2023
Estimated project value
£38k–£80k
Based on the 31.7m² of floor area stated in the application, at UK average rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 31.7m² · 1 additional bedrooms
Planning constraints
No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.
Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.
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