Lewisham
Construction of a rear roof dormer extension, three frontslope rooflights, replacement of cladding to the rear elevation and extension, an extension rooflight, front and rear extension window replacements, and all associated works at 15 Thriffwood, Silverdale, SE26.
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Progress
Application details
- Reference
- DC/26/142690
- Local authority
- Lewisham
- Ward
- Perry Vale
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 16 Jan 2026
- Validated
- 16 Jan 2026
- Comments close
- 25 Mar 2026
- Target decision
- 1 Apr 2026
- Decided
- 30 Mar 2026
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 · 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.