20 Brook Street West End London W1K 5DE

This site has had 3 applications since 2025.

• 25/05619/ADV Awaiting decision

  20 Brook Street West End London W1K 5DE

  Display of non illuminated fascia sign measuring 4.77m X 0.46m and internally illuminated projecting sign measuring 0.15m X 0.65m

  Submitted 11 Aug 2025 Advertising
• 25/05618/FULL Awaiting decision

  20 Brook Street West End London W1K 5DE

  Replacement shopfront, replacement roof light on the third floor roof facing North, minor internal alterations, installation of secondary glazing on the second and third and floor, replacement air conditioning for the ground and basement floor, alterations of the basement tea point and WC area and replacement fire doors at main escape core. (Linked to 25/05616/LBC)

  Submitted 11 Aug 2025 Full applications

1. 11 Aug 2025

   Received by Westminster

2. 16 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 11 November 2025, 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.

• 25/05618/FULL Awaiting decision

  20 Brook Street West End London W1K 5DE

  Replacement shopfront, replacement roof light on the third floor roof facing North, minor internal alterations, installation of secondary glazing on the second and third and floor, replacement air conditioning for the ground and basement floor, alterations of the basement tea point and WC area and replacement fire doors at main escape core. (Linked to 25/05616/LBC)

  Submitted 11 Aug 2025 Full applications

1 later application on the register refers to this one:

• 25/05618/FULL Awaiting decision

  20 Brook Street West End London W1K 5DE

  Replacement shopfront, replacement roof light on the third floor roof facing North, minor internal alterations, installation of secondary glazing on the second and third and floor, replacement air conditioning for the ground and basement floor, alterations of the basement tea point and WC area and replacement fire doors at main escape core. (Linked to 25/05616/LBC)

  Submitted 11 Aug 2025 Full applications

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.

• 20 Brook Street West End London W1K 5DE

  25/05619/ADV Submitted 11 Aug 2025 50 yards away

  84% historically approved · decision due ~12 Nov

  Display of non illuminated fascia sign measuring 4.77m X 0.46m and internally illuminated projecting sign measuring 0.15m X 0.65m

  Awaiting decision Advertising 21 docs

• 20 Brook Street West End London W1K 5DE

  25/05618/FULL Submitted 11 Aug 2025 50 yards away

  87% historically approved · decision due ~11 Nov

  Replacement shopfront, replacement roof light on the third floor roof facing North, minor internal alterations, installation of secondary glazing on the second and third and floor, replacement air conditioning for the ground and basement floor, alterations of the basement tea point and WC area and replacement fire doors at main escape core. (Linked to 25/05616/LBC)

  Awaiting decision Full applications Loft or dormer Roofing +1 35 docs

• 22 Brook Street Mayfair London W1K 5DF

  03/04542/LBC Submitted 10 Jun 2003 50 yards away

  Display of an internally-illuminated projecting sign.

  Decided Heritage and listed buildings 3 docs

• 22 Brook Street Mayfair London W1K 5DF

  03/04541/ADV Submitted 10 Jun 2003 50 yards away

  Display of an internally-illuminated projecting sign.

  Refused Advertising 3 docs

• Lampost Outside 22 Hanover Square London W1K 5DF

  07/00164/TELCOM Submitted 2 Jan 2007 50 yards away

  Erection of telecommunication equipment to lamp post.

  Decided Telecoms 3 docs

• Basement And Ground Floor 110 New Bond Street London W1S 1EB

  25/08037/ADV Submitted 5 Nov 2025 50 yards away

  84% historically approved · decision due ~5 Jan

  Display of Christmas decorations on shopfront for temporary period from 03 November 2025 and until 03 February 2025.

  Awaiting decision Advertising Windows or glazing 5 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