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Permitted25/07048/FULLSubmitted 11 months agoLandscaping

28 Grosvenor Street Westminster W1K 4QR

Demolition and rebuilding of the 4th floor and roof level to create a sunken roof terrace including a single storey access pod; installation of a plant enclosure and lift overrun; and partial infilling of rear lightwell to provide a new lift, all in connection with the continued use as offices.

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Progress

Submitted
1 Oct 2025
— completed
Validated
1 Oct 2025
— completed
Consultation
6 Nov 2025
— completed
Target date
26 Nov 2025
— completed
Decided
19 Feb 2026
— completed

Application details

Reference
25/07048/FULL
Local authority
Westminster
Postcode
W1K 4QR
Ward
WEW_22
Application type
All Other
Property type
Commercial

Key dates

Submitted
1 Oct 2025
Validated
1 Oct 2025
Comments close
6 Nov 2025
Target decision
26 Nov 2025
Decided
19 Feb 2026

Estimated project value

£4k–£34k

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.

Floor area gained: 80m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Contains HM Land Registry data © Crown copyright and database right 2024. 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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