HILLINGDON Hillingdon
Erection of a single storey extension to the rear, conversion of roof space to habitable use to include a rear dormer, front roof lights, conversion of roof from hip to gable end, following the demolition of existing rear extension, and chimney stacks (Application for a Certificate of Lawful Development for a Proposed Development)
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Progress
Application details
- Reference
- 794/APP/2026/1052
- Local authority
- Hillingdon
- Ward
- HILLINGDON EAST 2022
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 28 Apr 2026
- Validated
- 28 Apr 2026
- Target decision
- 23 Jun 2026
- Decided
- 22 Jun 2026
Estimated project value
£42k–£88k
Based on the 34.9m² 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: 34.9m² · 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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