Lewisham
The excavation of the basement at 17 Collingtree Road SE26 including the formation of new lightwells to the side and rear, together with the alteration and conversion of the basement to provide 1, one bedroom self-contained flat and construction of single-storey rear extension.
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- DC/21/123015
- 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
£100k–£170k
Based on the 56.0m² 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: 56m²
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.