66 Harley Street London W1G 7HD

This site has had 4 applications since 2007: 2 approved, 0 refused.

• 25/09353/ADV Decided

  66 Harley Street London W1G 7HD

  Display of two non-illuminated plaques measuring 0.3m x 0.4m.

  Decided 18 Feb 2026 Advertising
• 13/02736/AD7 Granted

  66 Harley Street London W1G 7HD

  Display for a temporary period of six months of a non-illuminated 'to let' board at ground floor level attached to the railings measuring 0.45 and 0.6m.

  Decided 17 Apr 2013 Advertising
• 07/05230/LBC Granted

  66 Harley Street London W1G 7HD

  External alterations at lower ground floor level in the front, central and rear lightwells and internal alterations at all floor levels including the installation of a passenger lift.

  Decided 13 May 2008 Heritage and listed buildings

1. 11 May 2026

   Received by Westminster

2. 21 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 16 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.

• 66 Harley Street London W1G 7HD

  25/09353/ADV Submitted 24 Dec 2025 50 yards away

  Display of two non-illuminated plaques measuring 0.3m x 0.4m.

  Decided Advertising 8 docs

• 66 Harley Street London W1G 7HD

  13/02736/AD7 Submitted 25 Mar 2013 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board at ground floor level attached to the railings measuring 0.45 and 0.6m.

  Granted Advertising 2 docs

• 66 Harley Street London W1G 7HD

  07/05230/LBC Submitted 15 Jun 2007 50 yards away

  External alterations at lower ground floor level in the front, central and rear lightwells and internal alterations at all floor levels including the installation of a passenger lift.

  Granted Heritage and listed buildings 12 docs

• 70 Harley Street London W1G 7HF

  26/00202/FULL Submitted 14 Jan 2026 50 yards away

  87% historically approved · decision due ~30 Mar

  Alterations to fourth floor flat, works including replacement of windows with Slimlite double glazing windows; layout alterations; and associated works. (Linked with 26/00203/LBC)

  Awaiting decision Full applications Windows or glazing 21 docs

• 70 Harley Street London W1G 7HF

  26/00203/LBC Submitted 14 Jan 2026 50 yards away

  90% historically approved · decision due ~30 Mar

  Alterations to fourth floor flat, works including replacement of windows with Slimlite double glazing windows; replacement of fire doors; layout alterations; and associated works. (Linked to 26/00202/FULL)

  Awaiting decision Heritage and listed buildings Windows or glazing 18 docs

• 72 Harley Street London W1G 7HG

  26/00216/LBC Submitted 15 Jan 2026 50 yards away

  Replacement of fire doors at lower ground, ground and first floors.

  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