94 The Quadrangle Sussex Gardens London W2 2RR

1. 3 Jun 2026

   Received by Westminster

2. 10 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 5 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.

• 122 Devonport 23 Southwick Street London W2 2QH

  07/02874/FULL Submitted 29 Mar 2007 50 yards away

  Extension of garden room at roof level onto the existing terrace.

  Granted Full applications Extension 11 docs

• 127 Devonport 23 Southwick Street London W2 2QH

  04/05718/FULL Submitted 22 Jul 2004 50 yards away

  Erection of an extension on the roof terrace at sixth floor level to provide additional living space.

  Granted Full applications Extension 14 docs

• 127 Devonport 23 Southwick Street London W2 2QH

  05/04866/FULL Submitted 20 Jun 2005 50 yards away

  Construction of extension at roof terrace level to provide additional space as a kitchen/dining room space.

  Withdrawn Full applications Extension 8 docs

• 115 Devonport 23 Southwick Street London W2 2QH

  12/01790/CAC Submitted 17 Feb 2012 50 yards away

  Rear extension at top floor flat to create a new conservatory.

  Decided Heritage and listed buildings Extension

• 3 Southwick Street London W2 2PR

  26/02243/CLOPUD Submitted 2 Apr 2026 50 yards away

  86% historically approved · decision due ~28 May

  Proposed use of the Property as an HMO comprising six bedsitting rooms for up to six occupants (Use Class C4).

  Awaiting decision Lawful development 7 docs

• 1 To 16 The Quadrangle Sussex Gardens London

  26/00204/TCA Submitted 14 Jan 2026 100 yards away

  T228 1 x silver birch: crown lift to 2.5m over footpath and road. T482, 483, 484, 485, 486, 487, 488 7 x Himalayan birch: crown lift to 3m over road/parking/footpath.

  Granted Trees 7 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