Westminster
Demolition of existing roof, erection of mansard roof extension including dormer windows to front roof slope and roof lights to rear roof slope, to provide additional office space (Class B1).
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Progress
Application details
- Reference
- 18/08227/FULL
- Local authority
- Westminster
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 3 Dec 2018
- Validated
- 3 Dec 2018
- Decided
- 8 Jan 2019
Estimated project value
£28k–£75k
Typical UK cost for this job type, at UK average rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.
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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