Crown House 143 - 147 Regent Street London W1B 4JB

This site has had 2 applications since 2026.

• 26/03858/FULL Awaiting decision

  Crown House 143 - 147 Regent Street London W1B 4JB

  Installation of two air conditioning units located at roof level.

  Submitted 12 Jun 2026 Full applications

1. 12 Jun 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 7 August 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.

• Crown House 143 - 147 Regent Street London W1B 4JB

  26/03858/FULL Submitted 12 Jun 2026 50 yards away

  87% historically approved · decision due ~7 Aug

  Installation of two air conditioning units located at roof level.

  Awaiting decision Full applications

• 10 Heddon Street London W1B 4BY

  25/06756/FULL Submitted 19 Sep 2025 50 yards away

  Removal of existing condenser unit located on the roof and installation of three external condenser units.

  Granted Full applications 29 docs

• 137 - 139 Regent Street London W1B 4HZ

  07/05481/FULL Submitted 25 Jun 2007 50 yards away

  Installation of new shopfront.

  Granted Full applications Windows or glazing 9 docs

• 137 - 139 Regent Street London W1B 4HZ

  07/05482/LBC Submitted 25 Jun 2007 50 yards away

  Installation of new shopfront.

  Granted Heritage and listed buildings Windows or glazing 2 docs

• 133 - 135 Regent Street London W1B 4HX

  25/06440/LBC Submitted 9 Sep 2025 50 yards away

  Installation of temporary graphics to ground and first floor windows during fit-out works. From October 2025 Until April 2026 The proposal is linked to the Planning Approval (Listed Building and Conservation Areas) Consent for works (Conditional): Application No: 24/06997/LBC; Date Received: 07.10.2024 Date Amended: 07.10.2024.

  Refused Heritage and listed buildings Windows or glazing 17 docs

• 133 - 135 Regent Street London W1B 4HX

  26/00519/LBC Submitted 29 Jan 2026 50 yards away

  90% historically approved · decision due ~26 Mar

  Retrospective application for replacement of ventilation grille at ground floor level; facade cleaning; installation of automated window and door opening mechanisms; terrazzo repair and cleaning; installation of fire lining; internal replastering; reinstatement of window architraves and associated works. [Linked to 26/00518/FULL]

  Awaiting decision Heritage and listed buildings Windows or glazing 27 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