8 - 9 William Street London SW1X 9HL

This site has had 6 applications since 2025: 2 approved, 0 refused.

• 26/02627/ADV Awaiting decision

  8 - 9 William Street London SW1X 9HL

  Display of internally illuminated fascia sign measuring 0.833m X 0.31m and 0.833m X 0.31m

  Submitted 21 Apr 2026 Advertising
• 26/00188/TCH Awaiting decision

  8 - 9 William Street London SW1X 9HL

  Use of an area of pavement (part public highway and part private forecourt) measuring 3.44 m x 12.68 m for the placing of 8 tables, 24 chairs, 8 planters and a waiter station in connection with the existing ground floor restaurant.

  Submitted 14 Jan 2026
• 25/08734/FULL Granted

  8 - 9 William Street London SW1X 9HL

  Installation of air conditioning plant and acoustic enclosure to the rear lower ground courtyard. Alterations to the rear lower ground floor elevation.

  Decided 26 Mar 2026 Full applications
• 25/08437/FULL Awaiting decision

  8 - 9 William Street London SW1X 9HL

  Shopfront painting and material finishes; wall mounted heaters and lights and replacement awning. (Linked to 25/08438/LBC)

  Submitted 18 Nov 2025 Full applications
• 25/08438/LBC Awaiting decision

  8 - 9 William Street London SW1X 9HL

  Shopfront painting and material finishes; wall mounted heaters and lights and replacement awning. (Linked to 25/08437/FULL)

  Submitted 18 Nov 2025 Heritage and listed buildings

1. 1 Dec 2025

   Received by Westminster

2. 26 Mar 2026

   Decision issued: Application Permitted

3. 1 Aug 2026

   Added to PlanIndex

Westminster granted permission on 26 March 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.

• 8 - 9 William Street London SW1X 9HL

  25/08734/FULL Submitted 1 Dec 2025 50 yards away

  Installation of air conditioning plant and acoustic enclosure to the rear lower ground courtyard. Alterations to the rear lower ground floor elevation.

  Granted Full applications 21 docs

• 8 - 9 William Street London SW1X 9HL

  26/00188/TCH Submitted 14 Jan 2026 50 yards away

  89% historically approved · decision due ~11 Mar

  Use of an area of pavement (part public highway and part private forecourt) measuring 3.44 m x 12.68 m for the placing of 8 tables, 24 chairs, 8 planters and a waiter station in connection with the existing ground floor restaurant.

  Awaiting decision 18 docs

• 5 - 6 William Street London SW1X 9HL

  25/04470/LBC Submitted 30 Jun 2025 50 yards away

  Installation of seven new French doors with fanlights at front elevation facing William Street; three pairs of sash windows into existing timber box frames; one new single door, including a sidelight and fanlight at rear elevation; and other associated works to first floor.

  Granted Heritage and listed buildings Windows or glazing 18 docs

• 8 - 9 William Street London SW1X 9HL

  25/08437/FULL Submitted 18 Nov 2025 50 yards away

  87% historically approved · decision due ~11 Mar

  Shopfront painting and material finishes; wall mounted heaters and lights and replacement awning. (Linked to 25/08438/LBC)

  Awaiting decision Full applications Windows or glazing 26 docs

• 8 - 9 William Street London SW1X 9HL

  25/08438/LBC Submitted 18 Nov 2025 50 yards away

  90% historically approved · decision due ~11 Mar

  Shopfront painting and material finishes; wall mounted heaters and lights and replacement awning. (Linked to 25/08437/FULL)

  Awaiting decision Heritage and listed buildings Windows or glazing 20 docs

• 11 - 12 William Street London SW1X 9HL

  26/06243/ADFULL Submitted 11 Sep 2026 50 yards away

  89% historically approved · decision due ~6 Nov

  Details of the ventilation system to get rid of cooking smells, including details of how it will be built and how it will look pursuant to condition 8 of planning permission dated 1st May 2024 (RN 24/01192/FULL)

  Awaiting decision

• 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