Lewisham
Construction of a roof extension in the rear roof slope, together with a single storey rear infill extension, part conversion of the existing garage, removal of chimney and all associated works at 21 Lock Chase SE3.
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Progress
Application details
- Reference
- DC/26/143807
- Local authority
- Lewisham
- Ward
- Blackheath
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 1 May 2026
- Validated
- 1 May 2026
- Decided
- 26 Jun 2026
Estimated project value
£49k–£100k
Based on the 40.5m² 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: 40.5m² · 1 additional bedrooms
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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