24A Hay's Mews London W1J 5PY

This site has had 2 applications since 2025: 2 approved, 0 refused.

• 25/06663/LBC Granted

  24A Hay's Mews London W1J 5PY

  Internal alterations and refurbishment works; and replacement of window with door to create new entrance to the courtyard.

  Decided 17 Apr 2026 Heritage and listed buildings

1. 17 Sep 2025

   Received by Westminster

2. 7 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 17 Apr 2026

   Decision issued: Application Permitted

4. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 17 April 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.

• 24A Hay's Mews London W1J 5PY

  25/06663/LBC Submitted 17 Sep 2025 50 yards away

  Internal alterations and refurbishment works; and replacement of window with door to create new entrance to the courtyard.

  Granted Heritage and listed buildings Windows or glazing 6 docs

• 21 Charles Street London W1J 5DT

  25/06733/NMA Submitted 18 Sep 2025 50 yards away

  Amendments to planning permission dated 22nd September 2011 (RN:11/07285/FULL) for Extension of time for the commencement of development granted planning permission on 24 December 2008 (extant permission: RN: 08/06804); namely, external alterations to existing dwelling at 21 Charles St and 21 Hays Mews including demolition and redevelopment of the mews building (retaining the front facade) to create sub basement, lower basement, ground to second floors including a mansard roof in connection with the use of the building for residential purposes (Class C3). Creation of link at ground floor level and terrace at first floor level within courtyard area. Installation of plant at roof level of No. 21 Charles Street. Namely; to relocate the listed approved drawings and documents so they are a condition on the planning permission.

  Granted Amendments Loft or dormer Demolition 19 docs
  Domestic

• 9 Chesterfield Street London W1J 5JJ

  26/04201/AD7 Submitted 25 Jun 2026 50 yards away

  89% historically approved · decision due ~20 Aug

  Display for a temporary period of six months of a non-illuminated estate agent board attached to the railings in front of the building at 1m from the ground and measuring 0.9 x 0.6m.

  Decided

• 35 Hay's Mews London W1J 5PY

  26/05322/FULL Submitted 6 Aug 2026 50 yards away

  87% historically approved · decision due ~6 Oct

  Alterations to doors and windows, installation of new lightweight terrace pavilion, new louvres, replacement of plant and other associated works.

  Awaiting decision Full applications Windows or glazing

• Basement 5 - 7 Chesterfield Gardens London W1J 5BQ

  25/08469/FULL Submitted 19 Nov 2025 50 yards away

  87% historically approved · decision due ~14 Jan

  Partial Change of Use of Floorspace from Office (Class E) to Hotel (Class C1)

  Awaiting decision Full applications 21 docs

• 11 Chesterfield Street London W1J 5JN

  25/09330/LBC Submitted 23 Dec 2025 50 yards away

  Rear extension at ground and lower ground floor, rear outrigger extension from ground to second floor, roof alterations and internal alterations and new plant. [Linked to 25/09329/FULL]

  Granted Heritage and listed buildings Extension Roofing 7 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  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 replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06317/FULL Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications