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Permitted344/APP/2026/1101Submitted 5 months agoRear extension

HILLINGDON Hillingdon

Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.60 metres, and for which the height of the eaves would be 3.00 metres.

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Map of the site

Progress

Submitted
1 May 2026
— completed
Validated
1 May 2026
— completed
Consultation
4 Jun 2026
— completed
Target date
11 Jun 2026
— completed
Decided
8 Jun 2026
— completed

Application details

Reference
344/APP/2026/1101
Local authority
Hillingdon
Ward
COLHAM & COWLEY
Application type
Prior Approval
Property type
House

Key dates

Submitted
1 May 2026
Validated
1 May 2026
Comments close
4 Jun 2026
Target decision
11 Jun 2026
Decided
8 Jun 2026

Estimated project value

£49k–£81k

Based on the 27.0m² of floor area stated in the application, at UK average rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 27m²

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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