Flat 1 51 Mount Street London W1K 2SB

1. 25 Feb 2026

   Received by Westminster

2. 20 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 11 May 2026

   Decision issued: Application Permitted

4. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 11 May 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 48 Mount Street London W1K 2SB

  25/09157/LBC Submitted 18 Dec 2025 50 yards away

  Installation of two CCTV cameras to front porch and to lower ground floor lightwell.

  Granted Heritage and listed buildings Extension 13 docs
  Small domestic

• 46 Mount Street London W1K 2SA

  26/03193/LBC Submitted 14 May 2026 50 yards away

  90% historically approved · decision due ~9 Jul

  Internal alterations including the creation of an internal opening at ground floor level and provision of glazed double doors; removal of an existing doorway; removal of suspended ceiling; restoration of original cornices and associated works.

  Awaiting decision Heritage and listed buildings Windows or glazing 15 docs

• 34 Park Street London W1K 2JD

  25/07809/LBC Submitted 28 Oct 2025 50 yards away

  General refurbishment and M&E upgrade of the office building. (Linked to 25/07808/FULL)

  Granted Heritage and listed buildings 51 docs

• 34 Park Street London W1K 2JD

  25/07808/FULL Submitted 28 Oct 2025 50 yards away

  General refurbishment and M&E upgrade of the office building. (Linked to 25/07809/LBC)

  Granted Full applications 54 docs

• 38 Park Street London W1K 2JF

  22/04003/LBC Submitted 20 Jun 2022 50 yards away

  Internal refurbishment of the ground and first floor levels and installation of replacement doors within front and rear lightwells.

  Granted Heritage and listed buildings 13 docs

• 6 Reeves Mews London W1K 2EE

  11/00317/FULL Submitted 12 Jan 2011 50 yards away

  Demolition of the rear single storey building and store; creation of a new basement level; construction of a new rear extension at ground floor level with openable rooflights; lowering of cill heights to two front windows and formation of an entrance to Reeves Mews in connection with the existing office use (Class B1).

  Granted Full applications Extension Loft or dormer +2 10 docs
  Small domestic

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

  Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings
• 26/06288/LBC Awaiting decision

  Barness Court 6 - 8 Westbourne Terrace London W2 3UW

  Installation of a new riser as per GW10 design comprising a single riser with 7 entries and 9 Taylor valves to be installed. (Linked with 26/06287/FULL)

  Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 26/06270/LBC Awaiting decision

  Maisonette Basement And Ground Floor 101 Hereford Road London W2 5BB

  Amalgamation of existing lower ground and ground floor maisonette with the first floor flat to create a single dwelling and associated internal works including creation of a staircase. (Linked with 26/06269/FULL)

  Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 26/06230/LBC Awaiting decision

  10 Bedford Street London WC2E 9HE

  Internal redecoration/refurbishment to the existing Caffe Nero including redecorating throughout, replacing the tiled floor in the customer area, raising the timber floor by 180mm on the left-hand side upon entry to bring interest to the area, for the existing large, boxed window cils on right-hand side upon entry; the one on the far right will be removed to give way for more seating, with the other being adapted to allow for leg space below, and two bespoke decorative chandeliers to be hung in the customer area which will be installed with structural engineer approval.

  Received 11 Sep, published by the council 21 Sep 2026 Heritage and listed buildings