Permitted10172/APP/2021/775Submitted 5 years agoLoft conversion
HILLINGDON Hillingdon
Extension to existing loft and addition of 2 x side dormer roof extensions (Application for a Certificate of Lawful Development for a Proposed Development).
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Progress
Submitted
26 Feb 2021
— completedValidated
26 Feb 2021
— completedConsultation
—
— completedTarget date
23 Apr 2021
— completedDecided
6 Apr 2021
— completedApplication details
- Reference
- 10172/APP/2021/775
- Local authority
- Hillingdon
- Ward
- HILLINGDON EAST
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 26 Feb 2021
- Validated
- 26 Feb 2021
- Target decision
- 23 Apr 2021
- Decided
- 6 Apr 2021
Estimated project value
£34k–£70k
Based on the 28.0m² 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: 28m² · 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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