66 Grosvenor Street London W1K 3JH

This site has had 2 applications since 2026.

• 26/05941/LBC Decided

  66 Grosvenor Street London W1K 3JH

  Alterations to the rear staircase link between 17 Grosvenor Hill and 66 Grosvenor Street.

  Submitted 1 Sep 2026 Heritage and listed buildings

1. 10 Jul 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 4 September 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 90 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 119 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 Grosvenor Street London W1K 3JH

  26/05941/LBC Submitted 1 Sep 2026 50 yards away

  90% historically approved · decision due ~27 Oct

  Alterations to the rear staircase link between 17 Grosvenor Hill and 66 Grosvenor Street.

  Decided Heritage and listed buildings

• Broadbent House 64 - 65 Grosvenor Street London W1K 3JH

  26/00368/ADFULL Submitted 22 Jan 2026 50 yards away

  Details of samples of obscure glazing panels and a Biodiversity Management Plan to ensure planting is maintained to a height of 1.5-1.7m pursuant to Conditions 4 and 7 of planning permission dated 05 November 2025 (RN: 25/02852/FULL)

  Granted Full applications Windows or glazing 5 docs

• 63 Grosvenor Street London W1K 3JG

  26/07248/AD7 Submitted 22 Oct 2026 50 yards away

  89% historically approved · decision due ~17 Dec

  Display for temporary period of six months of non-illuminated 'to let' board located on the face of the building at ground floor facade and measuring 0.45m x 0.6m.

  Awaiting decision

• 63 Grosvenor Street London W1K 3JG

  26/06731/AD7 Submitted 1 Oct 2026 50 yards away

  Display for temporary period of six months of non-illuminated 'to let' board located on the railings at street level and measuring 0.45m x 0.6m.

  Decided

• 62 Grosvenor Street London W1K 3JF

  26/03830/AD7 Submitted 11 Jun 2026 50 yards away

  89% historically approved · decision due ~6 Aug

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

  Decided

• 67 - 68 Grosvenor Street London W1K 3JN

  26/06786/ADFULL Submitted 5 Oct 2026 50 yards away

  89% historically approved · decision due ~30 Nov

  Detailed drawings of a planting scheme which includes the number, size, species and position of trees and shrubs pursuant to condition 4 of planning permission dated 3rd June 2025 (RN: 25/02652/FULL).

  Awaiting decision Trees

• 26/05473/LBC Decided

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/06273/FULL)

  Received 12 Aug, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/07421/LBC Awaiting decision

  1 Upper St Martin's Lane London WC2H 9NY

  Installation of non-illuminated vinyl lettering to the external face of the existing ground-floor shopfront windows for a temporary period. (Linked with 26/07083/ADV)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07416/LBC Awaiting decision

  39 Montagu Square London W1H 2LL

  Amalgamation of Flats 3 and 4 to form one single dwelling including associated internal reconfiguration and refurbishments, alterations to access arrangements and improvements to the existing terrace and private amenity spaces. Together with the removal and alteration of modern partitions, roof replacement, rebuilding of the roof terrace, new plant and addition of a new staircase, structural works, new window openings, and other associated works. (Linked with 26/07415/FULL)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07404/LBC Awaiting decision

  Basement Floor And Ground Floor Queen Annes House 34 Queen Anne's Gate London SW1H 9AB

  Refurbishment and enhancement of the building to facilitate its continued use as offices with ancillary residential accommodation, together with associated conservation, restoration, accessibility improvements, building services upgrades, landscaping and ancillary works. Internal and external alterations associated with the repair. (Linked with 26/07403/FULL)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07390/LBC Awaiting decision

  40 Wigmore Street London W1U 2RX

  Installation of a non-illuminated fascia sign measuring 0.29m x 0.79m and two vinyl signs applied to inside face of the glazed shopfront each measuring 0.22m x 0.84m. (Linked with 26/06970/ADV)

  29 Oct 2026 Heritage and listed buildings