RUISLIP Hillingdon
Conversion of roof space to habitable use to include a rear dormer roof extension, 2 front roof lights, conversion of roof from hip to gable end with new gable end window and alteration of roof form on single storey rear extension from pitched roof to flat roof configuration (Application for a Certificate of Lawful Development for a Proposed Development).
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Progress
Application details
- Reference
- 62996/APP/2021/3698
- Local authority
- Hillingdon
- Ward
- CAVENDISH
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 29 Sept 2021
- Validated
- 29 Sept 2021
- Target decision
- 24 Nov 2021
- Decided
- 22 Nov 2021
Estimated project value
£48k–£100k
Based on the 40.0m² 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: 40m² · 2 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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