Elizabeth House 23 Devonshire Street London W1G 6PG

1. 13 Oct 2026

   Received by Westminster

2. 22 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 17 December 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.

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.

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.

• Beaumont Court 38-40 Beaumont Street London W1G 6DJ

  11/11822/FULL Submitted 5 Dec 2011 50 yards away

  Use of part of the basement to provide office accommodation (Class B1). Alterations to the front basement lightwell to include the installation of windows and doors.

  Refused Full applications Windows or glazing 6 docs

• Beaumont Court 38-40 Beaumont Street London W1G 6DJ

  11/08933/FULL Submitted 16 Sep 2011 50 yards away

  Use of part basement as 1x1 bedroom flat with associated external alterations at basement level.

  Refused Full applications 10 docs

• Beaumont Court 38-40 Beaumont Street London W1G 6DJ

  11/08935/CAC Submitted 16 Sep 2011 50 yards away

  Conversion of cleaners store , store and part boiler room in basement to a one bedroom flat, including change of use.

  Decided Heritage and listed buildings 3 docs

• 25 Devonshire Street London W1G 6PQ

  26/06995/FULL Submitted 13 Oct 2026 50 yards away

  88% historically approved · decision due ~16 Dec

  Alterations to shopfront design including new awning and ventilation grilles; repair and replacement of lower ground ventilation in the form of luxcrete panels; removal of cellar doors; erection of plant and ventilation to rear; and rear window and door replacement and infill.

  Awaiting decision Full applications Extension Windows or glazing

• 26 - 27 Devonshire Street London W1G 6PH

  26/04310/ADV Submitted 29 Jun 2026 50 yards away

  82% historically approved · decision due ~17 Sep

  Display of two externally illuminated bronze plaque sign measuring 0.25m x 0.25m, one internally illuminated menu box measuring 0.45m x0.25m, three non illumnated awning signs measuring 0.5m x 0.7m and one non illuminated projecting sign measuring 0.1m x 0.3m.

  Awaiting decision Advertising 7 docs

• 21A Devonshire Street London W1G 6PD

  03/03771/FULL Submitted 12 May 2003 50 yards away

  Erection of 2-storey side/rear extension at 2nd and 3rd floor levels (fronting Devonshire Place Mews). Provision of terrace at 2nd floor level and installation of a fully glazed facade to stair enclosure, all in connection with the conversion of first floor to residential in connection with existing flat on upper floors.

  Granted Full applications Extension Windows or glazing 6 docs

• 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