37 Harley Street London W1G 8QG

This site has had 3 applications since 2026.

• 26/05434/LBC Awaiting decision

  37 Harley Street London W1G 8QG

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

  Submitted 10 Aug 2026 Heritage and listed buildings
• 26/03517/FULL Awaiting decision

  37 Harley Street London W1G 8QG

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

  Submitted 28 May 2026 Full applications

1. 28 May 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 23 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 66 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 94 days. More in our guide to how long planning decisions take.

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

  26/05434/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

• 23 Queen Anne Street London W1G 9HN

  26/00460/FULL Submitted 27 Jan 2026 50 yards away

  87% historically approved · decision due ~24 Mar

  Installation of photovoltaic panels (PV) at main roof level.

  Awaiting decision Full applications 14 docs

• 43 - 49 Harley Street London W1G 8BT

  25/06693/LBC Submitted 18 Sep 2025 50 yards away

  Installation of support beam for failing beam in room G11 ground floor of 45 Harley Street.

  Granted Heritage and listed buildings 16 docs

• 30 Queen Anne Street London W1G 8HX

  25/05505/FULL Submitted 6 Aug 2025 50 yards away

  Erection of an infill extension at basement and ground floor level, Installation of a new dormer on top of the rear closet wing to facilitate a light overrun, erection of a single storey extension at first floor level to the rear of the property and installation of railing on the eastern boundary of the site to facilitate the use of flat roof at first floor level as a terrace. All to provide enhanced office accommodation (Class E)

  Refused Full applications Extension Loft or dormer 29 docs
  Small domestic

• 29 Queen Anne Street London W1G 9HU

  25/04705/FULL Submitted 9 Jul 2025 50 yards away

  Replacement of a window on the rear elevation with a door. (Linked with 25/04706/LBC)

  Granted Full applications Windows or glazing 50 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

  Removal of non structural partitions, replacement of non original doors with full height concealed doors.

  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

  Waterproofing the basement level.

  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
• 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