40 Cambridge Street London SW1V 4QH

This site has had 2 applications since 2025: 2 approved, 0 refused.

• 25/06332/FULL Granted

  40 Cambridge Street London SW1V 4QH

  Use of the building as an Embassy (sui generis).

  Decided 23 Apr 2026 Full applications

1. 5 Nov 2025

   Received by Westminster

2. 21 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 23 Apr 2026

   Decision issued: Application Permitted

4. 30 Aug 2026

   Added to PlanIndex

Westminster granted permission on 23 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 40 Cambridge Street London SW1V 4QH

  25/06332/FULL Submitted 5 Sep 2025 50 yards away

  Use of the building as an Embassy (sui generis).

  Granted Full applications 54 docs

• 32 Cambridge Street London SW1V 4QH

  26/05871/CLEUD Submitted 27 Aug 2026 50 yards away

  84% historically approved · decision due ~22 Oct

  Confirmation that building works to the front lightwell, comprising construction of a front entrance porch and associated works, are lawful and that planning permission dated 13 August 2021 (RN: 21/04143/FULL) commenced before the expiry of the three-year time period.

  Decided Lawful development Extension 10 docs
  Small domestic

• 119 Warwick Way London SW1V 4HS

  26/07192/LBC Submitted 21 Oct 2026 50 yards away

  90% historically approved · decision due ~16 Dec

  Conversion and internal alterations to the ground floor flat (Retrospective)

  Awaiting decision Heritage and listed buildings

• 119 Warwick Way London SW1V 4HS

  25/08337/CLEUD Submitted 14 Nov 2025 50 yards away

  Use of the ground-floor as a self-contained flat.

  Granted Lawful development 14 docs

• 119 Warwick Way London SW1V 4HS

  26/00124/LBC Submitted 12 Jan 2026 50 yards away

  90% historically approved · decision due ~9 Mar

  Internal alterations, in connection with the use of the ground floor as a self-contained flat (Retrospective)

  Awaiting decision Heritage and listed buildings 13 docs

• 17 Alderney Street London SW1V 4ES

  25/07978/LBC Submitted 3 Nov 2025 50 yards away

  Internal alterations including reinstating the doorway between the hallway and living room at ground floor; reinstating the lower ground floor access door on the ground floor landing; new guest WC on the ground floor; new skylight on the rear main roof; new smoke and heat detectors throughout.

  Granted Heritage and listed buildings 37 docs

• 26/07183/LBC Awaiting decision

  306 - 308 Regent Street London W1B 3AT

  Installation of a manually operated retractable fabric awning to the existing shopfront at 308 Regent Street, comprising an orange fabric canopy with discreet printed lettering to the front valance, together with associated supporting framework, mounting brackets and fixings to the existing fa?ade.

  Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
• 26/07191/LBC Awaiting decision

  6 Wilton Place London SW1X 8RH

  Layout alterations and replacement of internal doors.

  Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
• 26/07199/LBC Awaiting decision

  49 Queen's Gardens London W2 3AA

  Erection of a mansard roof extension incorporating rooflights and a rear balcony; installation of Juliet balconies at ground and first floor levels to the rear; demolition of the existing courtyard extension and erection of a single-storey infill extension; extension of the rear wing at first floor (mezzanine) and second floor levels; fenestration alterations including the installation of new windows; stucco repairs and partial rebuilding of the rear extensions; and associated internal alterations at all levels. (Linked to 26/07198/FULL)

  Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
• 26/07192/LBC Awaiting decision

  119 Warwick Way London SW1V 4HS

  Conversion and internal alterations to the ground floor flat (Retrospective)

  Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
• 26/07155/LBC Awaiting decision

  Flat 1 25 North Audley Street London W1K 6WS

  Internal alterations including revisions to internal lighting arrangements, alterations to an existing cupboard, and comfort cooling system comprising refrigerant pipework, air slot diffusers and associated grilles.(Retrospective)

  Received 20 Oct, published by the council 22 Oct 2026 Heritage and listed buildings