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
• 25/08735/LBC 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 Heritage and listed buildings
• 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. 18 Nov 2025

   Received by Westminster

2. 14 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 20 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 11 March 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 61 days over the applications it decided in the last year.

• 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 later application on the register refers to this one:

• 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

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 85 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.

• 8 - 9 William Street London SW1X 9HL

  25/08438/LBC Submitted 18 Nov 2025 0m 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

• 8 - 9 William Street London SW1X 9HL

  26/00188/TCH Submitted 14 Jan 2026 11m 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

• 8 - 9 William Street London SW1X 9HL

  25/08735/LBC Submitted 1 Dec 2025 15m away

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

  Granted Heritage and listed buildings 16 docs

• 8 - 9 William Street London SW1X 9HL

  25/08734/FULL Submitted 1 Dec 2025 16m 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

• 5 - 6 William Street London SW1X 9HL

  25/04470/LBC Submitted 30 Jun 2025 20m 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

• Pavement outside The Park Tower Casino, 101 Knightsbridge, London, SW1X 7RQ

  CA/21/03557 Submitted 31 May 2021 33m away

  Installation of 1no. new BT Street Hub, incorporating 2no. digital 75 LCD advert screens, plus removal of associated BT kiosk(s). 2no. digital 75 LCD display screens, one on each side of the Street Hub unit.

  Refused Advertising 17 docs

• 26/06024/FULL Awaiting decision

  House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

  Installation of new and replacement electronic equipment within Speaker. (Linked with 26/06025/LBC)

  3 Sep 2026 Full applications
• 26/06017/FULL Awaiting decision

  38 Lauderdale Mansions Lauderdale Road London W9 1NE

  Installation of an external AC Unit / Heat Pump at roof level.

  2 Sep 2026 Full applications
• 26/05938/FULL Awaiting decision

  24 Vincent Square London SW1P 2NJ

  Subdivision of existing residential property to create two self-contained 3-bedroom family homes, along with cycle parking and associated external alterations.

  1 Sep 2026 Full applications
• 26/05935/FULL Awaiting decision

  47 Hereford Road London W2 5AH

  Installation of one number new external condenser unit to the southerly elevation service alley.

  1 Sep 2026 Full applications
• 26/05959/FULL Awaiting decision

  Basement And Ground Floor 50 New Bond Street London W1S 1BJ

  Installation of three new condensers on the roof, within an existing designated plant area.

  1 Sep 2026 Full applications