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Permitted344/APP/2026/1103Submitted 4 months agoOutbuilding

HILLINGDON Hillingdon

Erection of an outbuilding to the rear garden (Application for a Certificate of Lawful Development for a Proposed Development)

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Map of the site

Progress

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

Application details

Reference
344/APP/2026/1103
Local authority
Hillingdon
Ward
COLHAM & COWLEY
Application type
All Other
Property type
House

Key dates

Submitted
13 May 2026
Validated
13 May 2026
Target decision
8 Jul 2026
Decided
26 Jun 2026

Estimated project value

£8k–£30k

Typical UK cost for this job type, at UK average rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: trade estimate.

Floor area gained: 30m²

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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