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PermittedP/2026/1399Submitted 4 months agoLoft conversion

26 Thornton Avenue Hounslow

Certificate of Lawfulness for proposed enlargement of rear roof extension, erection of rear outrigger extension, and installation of two front roof windows.

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Progress

Submitted
8 May 2026
— completed
Validated
8 May 2026
— completed
Consultation
8 May 2026
— completed
Target date
3 Jul 2026
— completed
Decided
3 Jul 2026
— completed

Application details

Reference
P/2026/1399
Local authority
Hounslow
Ward
Chiswick Homefields
Application type
All Other
Property type
House

Key dates

Submitted
8 May 2026
Validated
8 May 2026
Comments close
8 May 2026
Target decision
3 Jul 2026
Decided
3 Jul 2026

Estimated project value

£12k–£25k

Based on the 10.0m² 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: 10m²

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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