Permitted20853/APP/2026/646Submitted 6 months agoOutbuilding
HILLINGDON Hillingdon
Erection of outbuilding to rear garden, following demotion of existing rear outbuilding (Application for a Certificate of Lawful Development for a Proposed Development)
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Progress
Submitted
13 Mar 2026
— completedValidated
13 Mar 2026
— completedConsultation
—
— completedTarget date
8 May 2026
— completedDecided
7 May 2026
— completedApplication details
- Reference
- 20853/APP/2026/646
- Local authority
- Hillingdon
- Ward
- COLHAM & COWLEY
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 13 Mar 2026
- Validated
- 13 Mar 2026
- Target decision
- 8 May 2026
- Decided
- 7 May 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: 29m²
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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