PermittedDC/25/142398Submitted 9 months agoSide extension
Lewisham
The demolition and construction of a single-storey side extension at 80 Lock Chase,SE3.
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Progress
Submitted
16 Jan 2026
— completedValidated
16 Jan 2026
— completedConsultation
—
— completedTarget date
19 Mar 2026
— completedDecided
19 Mar 2026
— completedApplication details
- Reference
- DC/25/142398
- Local authority
- Lewisham
- Ward
- Blackheath
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 16 Jan 2026
- Validated
- 16 Jan 2026
- Target decision
- 19 Mar 2026
- Decided
- 19 Mar 2026
Estimated project value
£135k–£225k
Based on the 75.0m² 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: 75m²
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.