Planning application
66 Grosvenor Street London W1K 3JH
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Internal alterations to include new floor coverings, moving floor boxes, removing wet rads, and installing new kitchenette.
As published by the council, reference 26/04642/LBC
Application record
- Reference
- 26/04642/LBC
- Category
- Heritage and listed buildings
- Status
- Pending
- Received
- 10 Jul 2026
- Validated
- 10 Jul 2026
- Postcode
- W1K 3JH
Timeline
Dates from the published record
-
10 Jul 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 4 September 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 65 days over the applications it decided in the last year.
What happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 93 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
Broadbent House 64 - 65 Grosvenor Street London W1K 3JH
Details of samples of obscure glazing panels and a Biodiversity Management Plan to ensure planting is maintained to a height of 1.5-1.7m pursuant to Conditions 4 and 7 of planning permission dated 05 November 2025 (RN: 25/02852/FULL)
Granted Full applications Windows or glazing 5 docs -
62 Grosvenor Street London W1K 3JF
89% historically approved · decision due ~6 Aug
Display for a temporary period of six months of a non-illuminated estate agent board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m
Decided -
15 Grosvenor Hill London W1K 3QA
88% historically approved · decision due ~9 Oct
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.
Decided Lawful development New dwelling -
17 Grosvenor Street London W1K 4QH
87% historically approved · decision due ~8 Oct
Variation of condition 1 of planning permission dated 2nd April 2026 (RN:25/09112/FULL) for the Installation of air source heat pump in modified plant enclosure; green roof and rooflights; modifications to front mansard profile and front elevation. Namely, omission of 3 rooflights over the 4th floor and addition of a dormer window at the 4th floor rear and addition of a mechanical vent and heat recovery unit at the rear of the central flat roof. (Application under section 73 of the Act)
Awaiting decision Full applications Loft or dormer Windows or glazing 17 docs -
17 Grosvenor Street London W1K 4QH
Installation of air source heat pump in modified plant enclosure; green roof and rooflights; modifications to front mansard profile and front elevation.
Granted Full applications Loft or dormer 35 docs -
15 Grosvenor Street London W1K 4QZ
Replacement of plant equipment at roof level and associated works.
Granted Heritage and listed buildings 3 docs
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Strip-out of existing, modern retail unit fixtures, fittings, stair and services, with retention of heritage and listed features, including shopfront and entrances, and ground floor ceiling details and features. Fit-out of new retail fittings, fixtures and services. Retention of shopfront with new 'like-for-like' signage and a new flag pole.
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26/06176/LBC Awaiting decision
46 Gloucester Place London W1U 8HG
Installation of 1,100 mm high protective railings along the existing roof-level access walkway. (Linked to 26/06178/FULL)