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Planning application

28 Grosvenor Street London W1K 4QR

Awaiting decision Westminster 26/05237/FULL Full applications

Works: Demolition Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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, infilling of rear lightwell, provision of a new lift, all in connection with the continued use as offices.

As published by the council, reference 26/05237/FULL

Application record

Reference
26/05237/FULL
Category
Full applications
Status
Pending
Received
3 Aug 2026
Validated
3 Aug 2026
Postcode
W1K 4QR

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025: 1 approved, 0 refused.

  • 25/07048/FULL Granted

    28 Grosvenor Street London 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.

    Decided 19 Feb 2026 Full applications

Timeline

Dates from the published record

  1. 3 Aug 2026

    Received by Westminster

  2. 11 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 28 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 91 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 full applications in a median of 119 days. More in our guide to how long planning decisions take.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 28 Grosvenor Street London W1K 4QR

    25/07048/FULL Submitted 1 Oct 2025 50 yards away

    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.

    Granted Full applications Demolition 46 docs
    Small domestic

  • Core House 27 Grosvenor Street London W1K 4QP

    26/00887/AD7 Submitted 12 Feb 2026 50 yards away

    82% historically approved · decision due ~27 Apr

    Display for a temporary period of six months of a non-illuminated estate agent board measuring 0.6 x 0.45m attached to the railings at ground floor level (retrospective)

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  • 26 Grosvenor Street London W1K 4QJ

    25/06957/ADFULL Submitted 26 Sep 2025 50 yards away

    Details drawings of new pavement lights and forecourt paving pursuant to Condition 12 of planning permission dated 3rd July 2025 (RN:25/01853/FULL).

    Granted Full applications 10 docs

  • 26 Grosvenor Street London W1K 4QJ

    25/06928/ADFULL Submitted 26 Sep 2025 50 yards away

    Details of proposed replacement windows on the rear side elevation must be in timber, and not metal pursuant to condition 11 of planning permission dated 3rd July 2025 (RN 25/01853/FULL)

    Granted Full applications Windows or glazing 10 docs

  • 26 Grosvenor Street London W1K 4QJ

    25/06927/ADFULL Submitted 26 Sep 2025 50 yards away

    Details drawings of windows pursuant to condition 10 of planning permission dated 3rd July 2025 (RN: 25/01853/FULL).

    Granted Full applications Windows or glazing 9 docs

  • 26 Grosvenor Street London W1K 4QJ

    25/06028/ADFULL Submitted 22 Aug 2025 50 yards away

    Detailed drawings of the windows including sections at 1:10, 1:5 and details of any glazing bars at 1:2 pursuant to Condition 9 of planning permission dated 3rd July 2025 (RN:25/01853/FULL).

    Granted Full applications Windows or glazing 8 docs

In Westminster

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    Received 5 Nov, published by the council 6 Nov 2026 Full applications
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    Received 3 Aug, published by the council 28 Aug 2026 Full applications
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    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications