79 Harley Street London W1G 9HW

This site has had 2 applications since 2025: 2 approved, 0 refused.

• 25/09214/FULL Granted

  79 Harley Street London W1G 9HW

  Variation of conditions 1 and 5 of planning permission dated 31 August 2023 (RN: 23/04631/FULL) for the: External and internal alterations at lower ground, ground and first floor rear flat roof level associated with the installation of a new MR Linac machine at lower ground floor level. Installation of new plant and relocation of existing plant, including a quench pipe within the external area at rear ground floor level and on the first floor flat roof area, the removal of skylight and associated works. NAMELY, to allow internal and external amendments and the installation of additional plant.

  Decided 20 Apr 2026 Full applications

1. 22 Dec 2025

   Received by Westminster

2. 20 Apr 2026

   Decision issued: Application Permitted

3. 20 Jul 2026

   Added to PlanIndex

Westminster granted permission on 20 April 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.

• 79 Harley Street London W1G 9HW

  25/09214/FULL Submitted 19 Dec 2025 50 yards away

  Variation of conditions 1 and 5 of planning permission dated 31 August 2023 (RN: 23/04631/FULL) for the: External and internal alterations at lower ground, ground and first floor rear flat roof level associated with the installation of a new MR Linac machine at lower ground floor level. Installation of new plant and relocation of existing plant, including a quench pipe within the external area at rear ground floor level and on the first floor flat roof area, the removal of skylight and associated works. NAMELY, to allow internal and external amendments and the installation of additional plant.

  Granted Full applications 26 docs

• 77 Harley Street London W1G 8QN

  07/00482/FULL Submitted 15 Jan 2007 50 yards away

  Installation of four air conditioning units within central lightwell of the building.

  Withdrawn Full applications 8 docs

• 77 Harley Street London W1G 8QN

  07/00483/LBC Submitted 15 Jan 2007 50 yards away

  Installation of four air conditioning units within central lightwell of the building.

  Withdrawn Heritage and listed buildings 3 docs

• 77 Harley Street London W1G 8QN

  07/08821/LBC Submitted 9 Oct 2007 50 yards away

  Installation of three air conditioning units in the central lightwell of the building.

  Refused Heritage and listed buildings 2 docs

• 2 Wimpole Mews London W1G 8PE

  26/00611/ADFULL Submitted 3 Feb 2026 50 yards away

  87% historically approved · decision due ~31 Mar

  Detailed drawings (1:20 and1:5) inc existing fabric junction pursuant to Condition 4 of planning permission dated 31 July 2025 (RN: 25/03972/FULL)

  Awaiting decision Full applications 5 docs

• 73 - 75 Harley Street London W1G 8QJ

  26/00270/LBC Submitted 19 Jan 2026 50 yards away

  Refurbishment of two consulting rooms by introducing floor to ceiling oak wall panelling, new storage unit, coffered ceilings in lime plaster, downlights and replacement of existing carpet. New storage units in treatment rooms.

  Granted Heritage and listed buildings 9 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