43 - 49 Harley Street London W1G 8BT

1. 18 Sep 2025

   Received by Westminster

2. 29 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 20 Nov 2025

   Decision issued: Application Permitted

4. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 20 November 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.

• 37 Harley Street London W1G 8QG

  26/03517/FULL Submitted 28 May 2026 50 yards away

  87% historically approved · decision due ~23 Jul

  Installation of two air condenser units within acoustic enclosure to front lightwell. (Linked with 26/03518/LBC)

  Awaiting decision Full applications 8 docs

• 37 Harley Street London W1G 8QG

  26/03518/LBC Submitted 28 May 2026 50 yards away

  90% historically approved · decision due ~23 Jul

  Installation of two air condenser units within acoustic enclosure to front lightwell and three fan coil units internally to ground floor level. (Linked with 26/03517/FULL)

  Awaiting decision Heritage and listed buildings 8 docs

• 37 Harley Street London W1G 8QG

  26/05434/LBC Submitted 10 Aug 2026 50 yards away

  90% historically approved · decision due ~5 Oct

  Installation of secondary glazing to the arched window at ground floor level.

  Awaiting decision Heritage and listed buildings Windows or glazing

• 28 Harley Place London W1G 8QF

  12/05964/ADFULL Submitted 12 Jun 2012 50 yards away

  Details of how waste is going to be stored on the site and how materials for recycling will be stored separately pursuant to Condition 2 of planning permission dated 15 September 2011 (RN:11/03771).

  Granted Full applications 3 docs

• 28 Harley Place London W1G 8QF

  12/00194/FULL Submitted 4 Jan 2012 50 yards away

  Installation of new skylight at roof level.

  Granted Full applications 6 docs

• 28 Harley Place London W1G 8QF

  11/09166/LBC Submitted 22 Sep 2011 50 yards away

  Retention of internal alterations at all floor levels including an internal mezzanine floor at first floor level.

  Decided Heritage and listed buildings 5 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