14 Cavendish Square Westminster W1G 9DB
Alterations including; demolition and alteration to roof structure including the installation of mechanical plant to roof valley above and the provision of a new terrace and associates railing and access arrangement (sliding roof light) to the rear of the main roof, removal of fixed rooflight over central stair; removal of stair from third floor terrace to plant zone at main roof level; installation of replacement roof lights at main roof level; refurbishment of main entrance door, installation of replacement security camera system, alteration to the ground and lower ground floor fenestration facing Deans Mews and facing internal lightwell, installation of replacement windows and doors at rear ground fand first floor level facing Deans Mews elevation and within the internal lightwell, removal of render to lightwell, installation of replacement cover and railings to first floor terrace, installation of onsite greening. Internal alteration and refurbishment throughout.
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Progress
Application details
- Reference
- 25/07887/LBC
- Local authority
- Westminster
- Postcode
- W1G 9DB
- Ward
- MBW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 30 Oct 2025
- Validated
- 30 Oct 2025
- Comments close
- 8 Dec 2025
- Target decision
- 25 Dec 2025
- Decided
- 11 Mar 2026
Estimated project value
£9k–£25k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade / BestBuilders 2026 roof replacement, 3-bed semi.
Floor area gained: 237m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 14 CAVENDISH SQUARE, LONDON, W1G 9DBOther · Not a standard market sale · £21,300,00019 months ago24 Jan 2025
Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.
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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