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Permitted08/09416/FULLBasement

21 Upper Grosvenor Street Westminster W1K 7PD

Excavation of part basement to form a swimming pool, alterations to rear elevation including removal of fire escape and alterations to rear bay window in connection with the use of the building as a single family dwelling. Creation of access onto rear roof at first floor level and use as terrace. Use of roof of second floor bay window as terrace; infilling of light wells at lower ground floor level.

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Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
26 Feb 2009
— completed

Application details

Reference
08/09416/FULL
Local authority
Westminster
Postcode
W1K 7PD
Ward
WEST END
Application type
All Other
Property type
House

Key dates

Decided
26 Feb 2009

Estimated project value

£135k–£340k

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: trade estimate.

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.

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