30 - 31 Haymarket London SW1Y 4EX

1. 24 Mar 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 19 May 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 65 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 91 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.

• Haymarket House 28-29 Haymarket London SW1Y 4SP

  22/01937/FULL Submitted 22 Mar 2022 50 yards away

  Ground and basement level alterations and reconfiguration to facilitate enhanced associated facilities at basement level and an enhanced office entrance to Haymarket and Oxendon Street, laterall infill office extensions at 2nd to 7th floor levels, rooftop extension at 8th floor level for office use ( Class E) and associated lift core.

  Granted Full applications Extension 95 docs

• 33 Haymarket London

  25/05509/LBC Submitted 6 Aug 2025 50 yards away

  Installation of signage and painting shopfront.

  Granted Heritage and listed buildings Windows or glazing 15 docs

• 33 Haymarket London

  25/05535/ADV Submitted 7 Aug 2025 50 yards away

  Display of an externally illuminated fascia sign measuring 2.5m x 0.3m and an externally illuminated hanging sign measuring 0.6m x 0.4m.

  Granted Advertising 12 docs

• Haymarket House 28 - 29 Haymarket London SW1Y 4SP

  26/01271/ADV Submitted 27 Feb 2026 50 yards away

  84% historically approved · decision due ~24 Apr

  Display of externally illuminated projecting sign measuirng 0.42m X 0.62m, 0.425m X 0.62m, internally illuminated fascia sign measuring 3.167m X 1.2m, 1.65m X 0.77m, internally illuminated other sign measuring 0.525m X 0.84m, non illuminated other sign 4.45m X 1.06m and 1.57m X 0.88m (linked to 26/01270/FULL)

  Awaiting decision Advertising 10 docs

• Haymarket House 28 - 29 Haymarket London SW1Y 4SP

  26/01270/FULL Submitted 27 Feb 2026 50 yards away

  87% historically approved · decision due ~24 Apr

  Alterations to the existing shopfront on the Haymarket elevation to include a new glazed shopfront with new entrance doors and the installation of fixed window boxes above the new entrance door and adjoining glazed shopfront, new entrance door to the corner entrance and installation of a new louvred grill panel to the shopfront window on the Shavers Place elevation. Installation of four new fixed uplighters to the ground floor Haymarket elevation. (Linked to 26/01271/ADV)

  Awaiting decision Full applications Windows or glazing 10 docs

• Haymarket House 28 - 29 Haymarket London SW1Y 4SP

  26/06110/ADFULL Submitted 7 Sep 2026 50 yards away

  89% historically approved · decision due ~5 Nov

  Details of a mock-up on site showing the treatment and relationship of the partitions to the windows pursuant to condition 20 of planning permission dated 15 January 2025 (24/02980/FULL).

  Awaiting decision Windows or glazing

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06234/FULL Awaiting decision

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/06249/FULL Awaiting decision

  53 Wimpole Street London W1G 8YH

  Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/03576/FULL Decided

  15A Devonshire Terrace London W2 3DW

  Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

  Received 1 Jun, published by the council 11 Sep 2026 Full applications