5 - 10 Beaumont Street London W1G 6AA

1. 23 Jun 2026

   Received by Westminster

2. 2 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 27 August 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.

• 4 Clarke's Mews London W1G 6QN

  25/05464/FULL Submitted 4 Aug 2025 50 yards away

  88% historically approved · decision due ~5 Nov

  Installation of one air conditioning unit at roof level

  Awaiting decision Full applications 17 docs

• 7 Dunstable Mews London W1G 6BT

  05/02852/AD7 Submitted 12 Apr 2005 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 0.9m by 0.6m.

  Granted Advertising 3 docs

• 6 Dunstable Mews London W1G 6BT

  03/03651/FULL Submitted 8 May 2003 50 yards away

  Erection of pitched roof extension at second floor level with dormer windows to front facade and associated alterations.

  Withdrawn Full applications Extension Loft or dormer +1 11 docs

• 5 Dunstable Mews London W1G 6BT

  10/03443/ADFULL Submitted 19 Apr 2010 50 yards away

  Details of sample of the roof slate pursuant to Condition 4 of planning permission dated 7 January 2009 (RN:08/09819).

  Granted Full applications 4 docs

• 7 Dunstable Mews London W1G 6BT

  09/10428/ADCAC Submitted 22 Dec 2009 50 yards away

  Details of an approved and signed construction contract pursuant to Condition 1 of conservation area consent dated 15 September 2009 (RN;09/06063).

  Granted Conditions 3 docs

• 7 Dunstable Mews London W1G 6BT

  09/06830/ADFULL Submitted 19 Aug 2009 50 yards away

  Details of samples of facing materials pursuant to Condition 5 of planning permission dated 28 April 2009 (RN:09/01304).

  Granted Full applications 3 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