PermittedDC/26/143122Submitted 6 months agoLoft conversion
Lewisham
Construction of a mansard roof extension at roof level and all associated works at Flat B, 309 Sydenham Road SE26.
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Progress
Submitted
12 Mar 2026
— completedValidated
12 Mar 2026
— completedConsultation
9 Apr 2026
— completedTarget date
20 May 2026
— completedDecided
20 May 2026
— completedApplication details
- Reference
- DC/26/143122
- Local authority
- Lewisham
- Ward
- Sydenham
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 12 Mar 2026
- Validated
- 12 Mar 2026
- Comments close
- 9 Apr 2026
- Target decision
- 20 May 2026
- Decided
- 20 May 2026
Estimated project value
£28k–£58k
Based on the 23.0m² 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: 23m²
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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