51 Berkeley Square London W1J 5BB

1. 24 Jul 2025

   Received by Westminster

2. 3 Sep 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 3 September 2025, 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.

• 50 Hay's Mews London W1J 5QE

  25/09286/FULL Submitted 22 Dec 2025 50 yards away

  Internal and external alterations in connection with the use of part of the ground floor as a Private Members Club refuse storage area ( Sui Generis) for a temporary period until 31st May 2027.

  Granted Full applications 20 docs

• 50 Hay's Mews London W1J 5QE

  25/09287/LBC Submitted 22 Dec 2025 50 yards away

  Alterations including installation of a internal partition at ground floor level, and removal of glass panes in garage doors and replacement with ventilation grilles for a temporary period until 31st May 2027.

  Granted Heritage and listed buildings 21 docs

• Flat I And Flat J 48 Berkeley Square London W1J 5AX

  26/00757/FULL Submitted 9 Feb 2026 50 yards away

  Replacement of existing windows with double glazed windows.

  Granted Full applications Windows or glazing 22 docs

• 48 Charles Street London W1J 5EN

  26/00276/FULL Submitted 19 Jan 2026 50 yards away

  87% historically approved · decision due ~16 Mar

  External alterations at roof level including creation of new roof terrace, part removal and repair of mansard and dormer windows; c replacement of windows; new doors; new stair and door to lightwell; replacement of rooflight; removal of flag poles; new balustrading; lighting; hard and soft landscaping; replacement of existing plant; creation of new cycle facilities and other associated works. (Linked to 26/00277/LBC)

  Awaiting decision Full applications Loft or dormer Roofing +1 67 docs

• 48 Charles Street London W1J 5EN

  26/00277/LBC Submitted 19 Jan 2026 50 yards away

  90% historically approved · decision due ~16 Mar

  Alterations at roof level including creation of new roof terrace, partial removal and repair of mansard and dormer windows, replacement of windows, new doors, new stair and door to lightwell, replacement of rooflight, removal of flag poles, new balustrading, lighting, restoration of obelisks, Internally; alterations including removal of modern partitions and new openings made, new doors, replacement lift, restored staircase,replacement of ceilings, provision of new W.Cs and shower areas, the installation of cycle facilities; internal alterations at all floor levels; and associated works. (Linked to 26/00276/FULL)

  Awaiting decision Heritage and listed buildings Loft or dormer Roofing +1 60 docs

• 47 Berkeley Square London W1J 5AU

  22/03598/LBC Submitted 31 May 2022 50 yards away

  Installation of waterproofing layer applied to modern tiled finish within internal courtyard for a temporary period of 5 years.

  Granted Heritage and listed buildings 15 docs

• 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
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Alterations to internal partitions, door openings, doors and floor finishes.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06318/LBC 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 26/06317/FULL)

  Received 15 Sep, published by the council 22 Sep 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