HILLINGDON Hillingdon
Erection of a single storey rear extension and conversion of roof space to habitable use to include 2x side dormers and conversion of roof from hip to gable ends to the rear rear, with new gable end windows (Application for a Certificate of Lawful Development for a Proposed Development) (Amended Description)
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Progress
Application details
- Reference
- 21911/APP/2024/2545
- Local authority
- Hillingdon
- Ward
- COLHAM & COWLEY
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 23 Sept 2024
- Validated
- 23 Sept 2024
- Target decision
- 18 Nov 2024
- Decided
- 17 Oct 2024
Estimated project value
£79k–£165k
Based on the 66.0m² 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: 66m² · 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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