57 Harley Street London W1G 8QS

This site has had 4 applications since 2025: 1 approved, 0 refused.

• 25/08560/ADFULL Granted

  57 Harley Street London W1G 8QS

  Details of windows, concertina doors and lightwell lift balustrading; biodiversity management plan for green roof; adherance to CoCP; and consultation with London Underground Ltd pursuant to Conditions 4, 6, 7 and 14 of planning permission dated 23 October 2025 (RN: 25/02646/FULL)

  Decided 16 Jun 2026 Full applications
• 25/08482/FULL Decided

  57 Harley Street London W1G 8QS

  Erection of rear first floor extension with sedum green roof finish and alterations to form door in existing window opening to allow access to first floor roof.

  Submitted 19 Nov 2025 Full applications
• 25/08306/ADFULL Awaiting decision

  57 Harley Street London W1G 8QS

  Details of brick sample panel pursuant to condition 5 of planning permission dated 23rd October 2025 (RN:25/02646/FULL).

  Submitted 13 Nov 2025 Full applications

1. 26 Jun 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 21 August 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 full applications in a median of 91 days. More in our guide to how long planning decisions take.

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.

• 57 Harley Street London W1G 8QS

  25/08482/FULL Submitted 19 Nov 2025 50 yards away

  87% historically approved · decision due ~14 Jan

  Erection of rear first floor extension with sedum green roof finish and alterations to form door in existing window opening to allow access to first floor roof.

  Decided Full applications Extension Windows or glazing 27 docs

• 57 Harley Street London W1G 8QS

  25/08560/ADFULL Submitted 21 Nov 2025 50 yards away

  Details of windows, concertina doors and lightwell lift balustrading; biodiversity management plan for green roof; adherance to CoCP; and consultation with London Underground Ltd pursuant to Conditions 4, 6, 7 and 14 of planning permission dated 23 October 2025 (RN: 25/02646/FULL)

  Granted Full applications Windows or glazing 36 docs

• 57 Harley Street London W1G 8QS

  25/08306/ADFULL Submitted 13 Nov 2025 50 yards away

  87% historically approved · decision due ~8 Jan

  Details of brick sample panel pursuant to condition 5 of planning permission dated 23rd October 2025 (RN:25/02646/FULL).

  Awaiting decision Full applications 3 docs

• Flat 2 50 Harley Street London W1G 9PX

  26/04054/LBC Submitted 19 Jun 2026 50 yards away

  90% historically approved · decision due ~24 Aug

  Internal alterations.

  Awaiting decision Heritage and listed buildings 10 docs

• 48 Harley Street London W1G 9PU

  26/02761/LBC Submitted 24 Apr 2026 50 yards away

  90% historically approved · decision due ~19 Jun

  Internal alterations in the form of new stud wall partitions to lower ground floor.

  Awaiting decision Heritage and listed buildings 11 docs

• 48 Harley Street London W1G 9QA

  04/08761/AD7 Submitted 5 Nov 2004 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let'/ 'for sale' board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.

  Granted Advertising 2 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06317/FULL 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 26/06318/LBC)

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications