128 Warwick Way London SW1V 4JA

1. 2 Sep 2026

   Received by Westminster

2. 9 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 11 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 4 November 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 full applications in a median of 119 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.

• 65 Cambridge Street London SW1V 4PS

  26/03949/FULL Submitted 15 Jun 2026 50 yards away

  88% historically approved · decision due ~13 Aug

  Erection of a single storey glazed infill extension at rear lower ground level; installation of air conditioning unit in enclosure within rear yard; replacement of rear ground floor window with doors and Juliet balcony; and removal of window in rear side elevation and making good of brickwork.

  Awaiting decision Full applications Extension Windows or glazing 17 docs
  Small domestic

• 117 Warwick Way London SW1V 4HT

  05/00400/FULL Submitted 17 Jan 2005 50 yards away

  Erection of mansard roof extension and rear extension at lower ground to new third floor level, to provide eight additional bedrooms to existing hotel (Class C1), alterations to fenestration and replacement of balustrading at first floor level (Cambridge Street and Warwick Way elevations).

  Granted Full applications Extension Loft or dormer +1 12 docs

• 117 Warwick Way London SW1V 4HT

  18/04849/ADFULL Submitted 11 Jun 2018 50 yards away

  Details of dormers, windows and doors, and balustrade to first floor balcony pursuant to condition 10 of planning permission dated 07 July 2016 (RN: 13/02786/FULL).

  Refused Full applications Loft or dormer Windows or glazing 10 docs

• 50A Cambridge Street London

  22/03923/FULL Submitted 16 Jun 2022 50 yards away

  Variation of condtion 1 of planning permision dated 28 October 2021 (RN: 21/06105/FULL) for the: Use of ground and lower ground floor in connection with residential flat above; construction of a mansard with roof terrace; lower ground rear extension; a front lightwell extension and new railings; replacement of the non-original first floor external balustrade and fenestration alterations. NAMELY, to allow replacement of the existing piers and modern metal railing at first floor level with new traditional black painted metal railing; and raising the cill heights of the approved painted timber sash windows at the lower ground floor street facing facades by 150mm.

  Granted Full applications Extension Loft or dormer +1 12 docs

• 65 Cambridge Street London SW1V 4PS

  26/06871/FULL Submitted 7 Oct 2026 50 yards away

  88% historically approved · decision due ~18 Dec

  Excavation of the front vaults to provide a new bathroom and small utility area and store. Addition of steps within the lobby including other associated works.

  Awaiting decision Full applications

• 64 Cambridge Street London SW1V 4QQ

  25/06210/CLEUD Submitted 2 Sep 2025 50 yards away

  84% historically approved · decision due ~5 Nov

  Lawful Development Certificate (LDC) for the continued use of the upper floors as a ground floor flat and a first and second floor maisonette.

  Awaiting decision Lawful development 11 docs

• 26/06234/FULL Decided

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/07403/FULL 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 26/07404/LBC)

  Received 30 Oct, published by the council 3 Nov 2026 Full applications
• 26/07415/FULL Awaiting decision

  39 Montagu Square London W1H 2LL

  Amalgamation of Flats 3 and 4 (Use Class C3) to form one single dwelling (Use Class C3) including associated internal reconfiguration and refurbishments, alterations to access arrangements and improvements to the existing terrace and private amenity spaces and other associated works. (Linked with 26/07416/LBC)

  Received 30 Oct, published by the council 3 Nov 2026 Full applications
• 26/06015/FULL Decided

  129 Saltram Crescent London W9 3JT

  Erection of a two-storey rear extension.

  Received 3 Sep, published by the council 11 Sep 2026 Full applications
• 26/07382/FULL Awaiting decision

  90 Gloucester Place London W1U 6HS

  Use of the building as an embassy (sui generis)

  Received 28 Oct, published by the council 2 Nov 2026 Full applications