26 Warwick Square London SW1V 2AD

This site has had 2 applications since 2026.

• 26/03025/FULL Awaiting decision

  26 Warwick Square London SW1V 2AD

  Replacement windows to the ground floor flat. [Linked to 26/02763/LBC]

  Submitted 7 May 2026 Full applications

1. 24 Apr 2026

   Received by Westminster

2. 14 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 9 July 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 91 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 119 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.

• 26 Warwick Square London SW1V 2AD

  26/03025/FULL Submitted 7 May 2026 50 yards away

  88% historically approved · decision due ~9 Jul

  Replacement windows to the ground floor flat. [Linked to 26/02763/LBC]

  Awaiting decision Full applications Windows or glazing 18 docs

• Flat N 29 Warwick Square London SW1V 2AD

  25/06516/LBC Submitted 11 Sep 2025 50 yards away

  Extension of Flat N into the front basement vaults 1, 2 and 3 (Retrospective).

  Granted Heritage and listed buildings Extension 41 docs

• Flat N 29 Warwick Square London SW1V 2AD

  25/06515/FULL Submitted 11 Sep 2025 50 yards away

  Extension of Flat N into the front basement vaults 1, 2 and 3 (Retrospective).

  Granted Full applications Extension 48 docs

• Open Space Warwick Square London SW1V 2AD

  26/06670/TPO Submitted 29 Sep 2026 50 yards away

  T36 London Plane x 1 (Platanus x hispanica): crown lift to 6m and remove internal epicormic growth.

  Decided Trees

• St Gabriel's Church Warwick Square London SW1V 2AD

  26/04961/EEN Submitted 23 Jul 2026 50 yards away

  89% historically approved · decision due ~17 Sep

  Upgrade of Telefonica telecommunications equipment consisting of the replacement of three antennas with three new antennas and other works.

  Decided

• 91 Cambridge Street London SW1V 4PY

  06/00478/TCA Submitted 18 Jan 2006 50 yards away

  1 x Fraxinus americano (rear): Crown reduction of 20%, crown thin by 20% and reduce back low overhanging branches all round.

  Granted Trees 1 doc

• 26/05473/LBC Decided

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/06273/FULL)

  Received 12 Aug, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/07416/LBC Awaiting decision

  39 Montagu Square London W1H 2LL

  Amalgamation of Flats 3 and 4 to form one single dwelling including associated internal reconfiguration and refurbishments, alterations to access arrangements and improvements to the existing terrace and private amenity spaces. Together with the removal and alteration of modern partitions, roof replacement, rebuilding of the roof terrace, addition of a new staircase, structural works, new window openings, and other associated works. (Linked with 26/07415/FULL)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07404/LBC Awaiting decision

  Basement Floor And Ground Floor Queen Annes House 34 Queen Anne's Gate London SW1H 9AB

  Refurbishment and enhancement of the building to facilitate its continued use as offices with ancillary residential accommodation, together with associated conservation, restoration, accessibility improvements, building services upgrades, landscaping and ancillary works. Internal and external alterations associated with the repair. (Linked with 26/07403/FULL)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07390/LBC Awaiting decision

  40 Wigmore Street London W1U 2RX

  Installation of a non-illuminated fascia sign measuring 0.29m x 0.79m and two vinyl signs applied to inside face of the glazed shopfront each measuring 0.22m x 0.84m. (Linked with 26/06970/ADV)

  29 Oct 2026 Heritage and listed buildings
• 26/07372/LBC Awaiting decision

  8A Randolph Road London W9 1AN

  Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07371/FULL)

  Received 28 Oct, published by the council 2 Nov 2026 Heritage and listed buildings