10 Heddon Street London W1B 4BY

1. 19 Sep 2025

   Received by Westminster

2. 6 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 23 Feb 2026

   Decision issued: Application Permitted

4. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 23 February 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.

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.

• 137 - 139 Regent Street London W1B 4HZ

  07/05481/FULL Submitted 25 Jun 2007 50 yards away

  Installation of new shopfront.

  Granted Full applications Windows or glazing 9 docs

• 137 - 139 Regent Street London W1B 4HZ

  07/05482/LBC Submitted 25 Jun 2007 50 yards away

  Installation of new shopfront.

  Granted Heritage and listed buildings Windows or glazing 2 docs

• Crown House 143 - 147 Regent Street London W1B 4JB

  26/03859/LBC Submitted 12 Jun 2026 50 yards away

  90% historically approved · decision due ~7 Aug

  Installation of two air conditioning units located at roof level.

  Awaiting decision Heritage and listed buildings

• Crown House 143 - 147 Regent Street London W1B 4JB

  26/03858/FULL Submitted 12 Jun 2026 50 yards away

  88% historically approved · decision due ~7 Aug

  Installation of two air conditioning units located at roof level.

  Awaiting decision Full applications

• 133 - 135 Regent Street London W1B 4HX

  25/06440/LBC Submitted 9 Sep 2025 50 yards away

  Installation of temporary graphics to ground and first floor windows during fit-out works. From October 2025 Until April 2026 The proposal is linked to the Planning Approval (Listed Building and Conservation Areas) Consent for works (Conditional): Application No: 24/06997/LBC; Date Received: 07.10.2024 Date Amended: 07.10.2024.

  Refused Heritage and listed buildings Windows or glazing 17 docs

• 133 - 135 Regent Street London W1B 4HX

  26/00519/LBC Submitted 29 Jan 2026 50 yards away

  90% historically approved · decision due ~26 Mar

  Retrospective application for replacement of ventilation grille at ground floor level; facade cleaning; installation of automated window and door opening mechanisms; terrazzo repair and cleaning; installation of fire lining; internal replastering; reinstatement of window architraves and associated works. [Linked to 26/00518/FULL]

  Awaiting decision Heritage and listed buildings Windows or glazing 27 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