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Planning application

40 - 46 Brook Street West End London W1K 5DB

Granted Westminster 26/01472/ADFULL Approval of Details (Full PP)

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Detailed design and construction method statements for all of the ground floor structures, foundations and basements and for any other structures below ground level, including piling, any other temporary or permanent installations and for site investigations which accommodate the location and of the Crossrail structures including temporary works and mitigate the effects on Crossrail, of ground movement arising from development; and method statement to include arrangements to secure that, during any period when concurrent construction is taking place of both the permitted development and of the Crossrail structures and tunnels in or adjacent to the site of the approved development, the construction of the Crossrail structures and tunnels is not impeded, pursuant to Conditions 45 and 46 of planning permission dated 19 April 2023 (RN: 22/04610/FULL) (PART APPROVAL - HOTEL PHASE ONLY)

As published by the council, reference 26/01472/ADFULL

Application record

Reference
26/01472/ADFULL
Type
Approval of Details (Full PP)
Status
Decided
Decision
Granted As published: Application Permitted
Received
9 Mar 2026
Validated
9 Mar 2026
Decided
25 Mar 2026
Ward
West End
Decision by
Delegated Decision
Postcode
W1K 5DB

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2025: 3 approved, 0 refused.

  • 25/08197/LBC Granted

    40 - 46 Brook Street West End London W1K 5DB

    Excavation to deepen the basement level under nos 40-46 Brook Street; raising height of fourth-floor ceilings in the rear townhouses (nos. 42-46 Brook Street) and installation of three plant decks with localised structural penetrations to accommodate supporting beams; installation of new external plant equipment and associated enclosures at roof levels, and erection of a lightweight pergola at first-floor level between the townhouses and the mews building, together with two new roof lanterns at ground floor level; replacement of non-original windows at ground and second floor of no. 40 Brook Street, alongside other elevation alterations at ground floor level; reinstatement of historical features, internal and external alterations including localised fabric removal, installation of a corner turret and side gables; and other associated works. (SITE INCLUDES 40 SOUTH MOLTON LANE)

    Decided 1 Apr 2026 Heritage and listed buildings
  • 25/06401/LBC Granted

    40 - 46 Brook Street West End London W1K 5DB

    Minor works to the external party wall between 40-46 Brook Street and 48 Brook Street, minor works to the parapet of 48 Brook Street and other associated works.

    Decided 30 Oct 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 9 Mar 2026

    Received by Westminster

  2. 25 Mar 2026

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Newmark LLP Agent

923 applications on PlanIndex · across 40 councils · 97% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

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Documents

Plans, drawings, consultee responses and the officer's report

9 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Westminster granted permission on 25 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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

  • 40 - 46 Brook Street West End London W1K 5DB

    25/06401/LBC Submitted 8 Sep 2025 50 yards away

    Minor works to the external party wall between 40-46 Brook Street and 48 Brook Street, minor works to the parapet of 48 Brook Street and other associated works.

    Granted Heritage and listed buildings 30 docs

  • Claridges Hotel 47 - 57 Brook Street West End London W1K 4HR

    25/07265/FULL Submitted 8 Oct 2025 50 yards away

    Replacement of shopfronts and balustrades, and facade repair works including replacement stone finishes to ground and first floor of the art deco facade. (Linked with 25/07266/LBC)

    Granted Full applications 27 docs

  • Claridges Hotel 47 - 57 Brook Street West End London W1K 4HR

    25/07266/LBC Submitted 8 Oct 2025 50 yards away

    Replacement of shopfronts and balustrades, and facade repair works including replacement stone finishes to ground and first floor of the art deco facade. (Linked with 25/07265/FULL)

    Granted Heritage and listed buildings 22 docs

  • 10 South Molton Street London W1K 5QJ

    25/07137/ADLBC Submitted 3 Oct 2025 50 yards away

    Details of shopfront to South Molton Lane and vents in facades pursuant to Condition 3a 1 (part) and 3a 6 of listed building consent dated 1 September 2025 (RN: 25/03046/LBC)

    Granted Conditions Windows or glazing 8 docs

  • 10 South Molton Street London W1K 5QJ

    25/08003/ADLBC Submitted 4 Nov 2025 50 yards away

    Detailed drawings and method statements of all works to restore and/or relocate any chimneypieces and fire grates pursuant to condition 8 (part) of listed building consent dated 1st September 2025 (RN:25/03046).

    Refused Conditions 25 docs

  • 10 South Molton Street London W1K 5QJ

    25/08278/ADLBC Submitted 12 Nov 2025 50 yards away

    Detailed drawings of the new windows to South Molton Lane elevation pursuant to Condition 3a 2 (part) of listed building dated 1st September 2025 (RN: 25/03046/LBC)

    Granted Conditions Windows or glazing 10 docs

In Westminster

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    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