Crown House 143 - 147 Regent Street London W1B 4JB

This site has had 2 applications since 2026.

• 26/03859/LBC 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 Heritage and listed buildings

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 full applications in a median of 91 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.

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

  26/03859/LBC Submitted 12 Jun 2026 50 yards away

  90% historically approved · decision due ~7 Aug

  Installation of two air conditioning units located at roof level.

  Awaiting decision Heritage and listed buildings

• 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

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06317/FULL 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 26/06318/LBC)

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications