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Permitted2635/APP/2026/402Submitted 7 months agoLoft conversion

HAYES Hillingdon

Conversion of roof space to habitable use to include a rear dormer, 2 x front roof lights, conversion of roof from hip to gable end with new gable end window, erection of front porch, following the demolition of 2 x chimney stacks (Application for a Certificate of Lawful Development for a Proposed Development)

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Map of the site

Progress

Submitted
16 Feb 2026
— completed
Validated
16 Feb 2026
— completed
Consultation
—
— completed
Target date
13 Apr 2026
— completed
Decided
13 Apr 2026
— completed

Application details

Reference
2635/APP/2026/402
Local authority
Hillingdon
Ward
CHARVILLE 2022
Application type
All Other
Property type
House

Key dates

Submitted
16 Feb 2026
Validated
16 Feb 2026
Target decision
13 Apr 2026
Decided
13 Apr 2026

Estimated project value

£31k–£64k

Based on the 25.3m² 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: 25.3m² · 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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