HAYES MIDDLESEX Hillingdon
Conversion of roofspace to habitable use to include hip to gable extension, rear dormer, and 3x front rooflights (Application for a certificate of lawful development for a proposed development)
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Progress
Application details
- Reference
- 61985/APP/2026/656
- Local authority
- Hillingdon
- Ward
- HAYES TOWN 2022
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 25 Mar 2026
- Validated
- 25 Mar 2026
- Target decision
- 20 May 2026
- Decided
- 19 May 2026
Estimated project value
£31k–£65k
Based on the 25.8m² 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: 25.8m² · 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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