Mount Street Gardens Mount Street London

This site has had 2 applications since 2020: 2 approved, 0 refused.

• 20/06276/FULL Granted

  Mount Street Gardens Mount Street London

  Installation of public art for a temporary period, until 1st July 2021.

  Decided 2 Dec 2020 Full applications

1. 20 May 2023

   Received by Westminster

2. 31 May 2023

   Decision issued: Application Permitted

3. 2 Oct 2026

   Added to PlanIndex

Westminster granted permission on 31 May 2023, 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.

• 43 South Street London W1K 2XQ

  26/03451/ADLBC Submitted 26 May 2026 50 yards away

  89% historically approved · decision due ~21 Jul

  Details of brickwork sample panel / new doors and fanlight to side elevation, fanlight, staircase between lower ground and ground floors, decorative treatment to walls and ceilings, new internal doors and architraves, plasterwork repair method statement, lower ground floor tiling repair method statement, first floor column, grilles to second floor cabinetry in rear room, and all fitted joinery to ground floor room pursuant to conditions 5 and 8 (partial) of listed building consent dated 06 October 2025 (RN: 25/05744/LBC) [Linked to 26/03457/ADFULL]

  Awaiting decision Conditions 27 docs

• 43 South Street London W1K 2XQ

  26/03457/ADFULL Submitted 26 May 2026 50 yards away

  88% historically approved · decision due ~21 Jul

  Details of new doors and fanlight to side elevation, new external balustrade and fanlight / brickwork sample panel pursuant to conditions 4 (partial) and 6 of planning permission dated 06 October 2025 (RN: 25/05743/FULL) [Linked to 26/03451/ADLBC]

  Awaiting decision Full applications 9 docs

• 43 South Street London W1K 2XQ

  25/06057/ADV Submitted 26 Aug 2025 50 yards away

  Display of non illuminated advertising on a hoarding measuring 4.8m x 2.4m for a temporary period from 1st September 2025 until 31st October 2026.

  Granted Advertising 15 docs

• 43 South Street London W1K 2XQ

  25/05744/LBC Submitted 14 Aug 2025 50 yards away

  New railings to roof terrace (as well as lowered cill to provide access), new opening to the first floor side terrace (restoration of original opening) and raising of party wall with swept coping line and replace the fanlight glazing over the front door within the existing frame and Internal alterations. (Linked to 25/05743/FULL)

  Granted Heritage and listed buildings Windows or glazing 39 docs

• 43 South Street London W1K 2XQ

  25/05743/FULL Submitted 14 Aug 2025 50 yards away

  New railings to roof terrace (as well as lowered cill to provide access), new opening to the first floor side terrace (restoration of original opening) and raising of party wall with swept coping line and replace the fanlight glazing over the front door within the existing frame and Internal alterations.

  Granted Full applications Windows or glazing 46 docs

• 17 - 21 South Audley Street London W1K 2NY

  26/05784/ADLBC Submitted 24 Aug 2026 50 yards away

  89% historically approved · decision due ~19 Oct

  Details of new external doors each type showing location and given key details with adjacent fabric pursuant to Condition 5.4 of listed building consent dated 14th March 2023 (RN:22/05005/LBC).

  Decided

• 26/05708/FULL Decided

  Flat 23 Imperial Court 55 - 56 Prince Albert Road London NW8 7PT

  Replacement of existing windows and louvres.

  Received 20 Aug, published by the council 18 Sep 2026 Full applications
• 26/05984/FULL Decided

  41 Sutherland Street London SW1V 4JX

  Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

  Received 2 Sep, published by the council 11 Sep 2026 Full applications
• 26/07229/FULL Awaiting decision

  5 D'arblay Street London W1F 8DL

  Alterations to the existing fixed windows to form two openable sash windows. (Linked with 26/07230/ADV)

  Received 22 Oct, published by the council 26 Oct 2026 Full applications
• 26/07224/FULL Awaiting decision

  8 Hinde Street London W1U 3BQ

  Use of the building as an Embassy (sui generis) with reversion to Class E on cessation of occupation by the Government of the United Mexican States. Erection of a flagpole to front elevation.

  Received 22 Oct, published by the council 26 Oct 2026 Full applications
• 26/06134/FULL Decided

  Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG

  Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.

  Received 8 Sep, published by the council 15 Sep 2026 Full applications