Lewisham
Certificate of Lawfulness (Proposed) for the construction of an 'L' shaped dormer roof extension and the insertion of two rooflights to the front slope at 23 St Norbert Street, SE4.
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Progress
Application details
- Reference
- DC/21/123352
- Local authority
- Lewisham
- Ward
- Telegraph Hill
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 7 Sept 2021
- Validated
- 7 Sept 2021
- Decided
- 23 Sept 2021
Estimated project value
£42k–£88k
Based on the 35.0m² 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: 35m² · 2 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.