Lewisham
The construction of roof extensions to the rear roof slopes at 17 Collingtree Road SE26 to provide a self-contained studio flat, together with the installation of a rooflight in the front roof slope.
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Progress
Application details
- Reference
- DC/21/123021
- Local authority
- Lewisham
- Ward
- Sydenham
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 3 Sept 2021
- Validated
- 3 Sept 2021
- Decided
- 29 Oct 2021
Estimated project value
£46k–£95k
Based on the 38.0m² 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: 38m²
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.