Planning application
6 Grosvenor Street London W1K 4DJ
Works: Extension Demolition Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Confirmation that the planning permission dated 31 July 2024 (RN: 23/08374/FULL) for the: Refurbishment and extension of existing Class E building to include the extension of the fifth floor, partial demolition and reconstruction of the sixth floor, erection of a new seventh floor with external terrace, alterations to the Avery Row and Grosvenor Street elevations to include new shopfronts, entrances and replacement windows, installation of green roof and photovoltaic panels at main roof level and installation of screened plant at seventh floor level. (SITE INCLUDES 4 GROSVENOR STREET), was lawfully implemented prior to the expiration date and that it is lawful to complete the outstanding works.
As published by the council, reference 26/05786/CLOPUD
Application record
- Reference
- 26/05786/CLOPUD
- Category
- Lawful development
- Status
- Pending
- Received
- 24 Aug 2026
- Validated
- 24 Aug 2026
- Postcode
- W1K 4DJ
Timeline
Dates from the published record
-
24 Aug 2026
Received by Westminster
-
28 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 19 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 60 days over the applications it decided in the last year.
What happens while it is decided
The process from here
This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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4 - 5 Grosvenor Street London W1K 4PY
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30 Avery Row W1K 4BB
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12 Lancashire Court London W1S 1EY
87% historically approved · decision due ~10 Dec
Alteration to the elevations, including replacement of a side window,and addition of an awning.
Awaiting decision Full applications Windows or glazing 14 docs -
123 New Bond Street London W1S 1EJ
Replacement shopfront.
Refused Full applications Windows or glazing 13 docs -
12 Lancashire Court London W1S 1EY
90% historically approved · decision due ~10 Dec
Alteration to the elevations, including replacement of a side window, non-illuminated signage, and addition of an awning. (Linked with 25/07132/FULL)
Awaiting decision Heritage and listed buildings Windows or glazing 7 docs -
1 Lancashire Court London W1S 1EX
Installation of 2 skylights at roof level, erection of a glass conservatory and creation of a landscaped roof terrace to the rear of Flat 2 and associated internal alterations.
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Other lawful development applications
In Westminster
-
26/05871/CLEUD Awaiting decision
32 Cambridge Street London SW1V 4QH
Confirmation of the lawful implementation of planning permission dated 13 August 2021 (RN: 21/04143/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.
-
26/05816/CLOPUD Awaiting decision
124 - 126 Wardour Street London W1F 0TY
Use of flats 1, 2 and 4 as three single dwellinghouses (Class C3).
-
26/05724/CLEUD Awaiting decision
The Sky Bar Trocadero 13 Coventry Street London W1D 7DH
Confirmation of the lawful implementation of planning permission dated 31 August 2023 (RN: 22/06174/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.
-
26/05560/CLOPUD Awaiting decision
3 Northumberland Place London W2 5BS
Painting of the front facade of the building.
-
26/05547/CLOPUD Awaiting decision
15 Grosvenor Hill London W1K 3QA
External fire remediation works to an existing four-storey residential apartment building. Works comprise of: . The removal and replacement of the existing external wall cladding system with a matching system of identical appearance, profile, colour and finish, upgraded to achieve A2-s1,d0 fire performance standards. . Replacement of combustible insulation where necessary . Replacement and introduction of cavity barriers, fire-stopping measures and associated supporting components as required to comply with current fire safety requirements. The replacement materials will replicate the existing appearance of the building and will not result in a material alteration to the external appearance. Minor associated works are proposed to the rear elevation only, with no changes to the use of the building, site access arrangements, highways, drainage, hardstanding or site layout. The building will remain in use as residential flats throughout and no increase in floorspace, building height or residential accommodation is proposed.