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Refused35665/APP/2026/612Submitted 5 months agoLoft conversion

HAYES Hillingdon

Change of use from Class C3 (Single Family Dwellinghouse) to a 9-person Large HMO (Sui Generis), erection of a part single, part double storey rear extension, rear dormer, and 2 x front roof lights (part retrospective)

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Map of the site

Progress

Submitted
13 May 2026
— completed
Validated
13 May 2026
— completed
Consultation
6 Jun 2026
— completed
Target date
8 Jul 2026
— completed
Decided
7 Jul 2026
— completed

Application details

Reference
35665/APP/2026/612
Local authority
Hillingdon
Ward
CHARVILLE 2022
Application type
All Other
Property type
House

Key dates

Submitted
13 May 2026
Validated
13 May 2026
Comments close
6 Jun 2026
Target decision
8 Jul 2026
Decided
7 Jul 2026

Estimated project value

£220k–£460k

Based on the 184m² 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: 183.6m²

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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