21 Upper Grosvenor Street and 27 Culross Street Westminster W1K 7PD
Use of 21 Upper Grosvenor Street and 27 Culross Street as a single family dwelling (Class C3) with alterations to front and rear elevations, demolition at basement and ground floor level and erection of a new two storey extensionto form link, excavation of part basement to form a swimming pool, alterations at rear first floor level and creation of roof terrace at rear second floor level. Creation of access onto rear roof at first floor level and use as terrace. Infilling of light wells at lower ground floor level. Installation of three air condensing units into an inverted dormer in the valley roof to main house and associated internal alterations.
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Progress
Application details
- Reference
- 12/11051/FULL
- Local authority
- Westminster
- Postcode
- W1K 7PD
- Ward
- WEST END
- Application type
- All Other
- Property type
- House
Key dates
- Decided
- 31 Jan 2013
Estimated project value
£37k–£100k
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 2026 loft conversion cost guide.
Recently sold nearby
Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.
- 21 UPPER GROSVENOR STREET, LONDON, W1K 7PDFlat or maisonette · £1,700,00017 years ago21 Oct 2008
Contains HM Land Registry data © Crown copyright and database right 2008. 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.
Nearby applications
- 21 Upper Grosvenor Street Westminster W1K 7PDPermittedNext door
- 21 Upper Grosvenor Street Westminster W1K 7PDPermittedNext door
- 20 Upper Grosvenor Street Westminster W1K 7PBPermittedNext door
- 22 Upper Grosvenor Street Westminster W1K 7PEPermittedNext door
- 22 Upper Grosvenor Street Westminster W1K 7PEPermittedNext door
- 22 Upper Grosvenor Street Westminster W1K 7PEPermittedNext door