Flat C 51 Lupus Street London SW1V 3EY

1. 7 Jul 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 1 September 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 90 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.

• Flat H 51 Lupus Street London SW1V 3EY

  26/05617/FULL Submitted 18 Aug 2026 50 yards away

  88% historically approved · decision due ~13 Oct

  Replacement double glazed timber sash windows.

  Decided Full applications Windows or glazing

• Flat J 51 Lupus Street London SW1V 3EY

  26/05616/FULL Submitted 18 Aug 2026 50 yards away

  88% historically approved · decision due ~13 Oct

  Replacement double glazed timber sash windows.

  Decided Full applications Windows or glazing

• Flat G 51 Lupus Street London SW1V 3EY

  26/04513/FULL Submitted 7 Jul 2026 50 yards away

  88% historically approved · decision due ~1 Sep

  Replacement double glazed timber sash windows.

  Awaiting decision Full applications Windows or glazing

• Flat H 51 Lupus Street London SW1V 3EY

  26/04079/FULL Submitted 22 Jun 2026 50 yards away

  88% historically approved · decision due ~17 Aug

  Replacement double glazed timber sash windows

  Awaiting decision Full applications Windows or glazing 12 docs

• Flat J 51 Lupus Street London SW1V 3EY

  26/04080/FULL Submitted 22 Jun 2026 50 yards away

  88% historically approved · decision due ~17 Aug

  Replacement double glazed timber sash windows.

  Awaiting decision Full applications Windows or glazing 11 docs

• 58 - 60 Lupus Street London SW1V 3EE

  25/08579/ADFULL Submitted 24 Nov 2025 50 yards away

  Details of post-commissioning noise survey pursuant to condition 7 of planning permission dated 31st August 2023 (RN:20/07619/FULL)

  Granted Full applications 7 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, new plant and other associated works. (Linked with 26/07416/LBC)

  Received 30 Oct, published by the council 3 Nov 2026 Full applications
• 26/07397/FULL Awaiting decision

  8 Mortimer Street London W1T 3JJ

  External alterations at level six including the installation of a screen, additional access doors and revised lighting. 2 Fitzroy Place (8 Mortimer Street)

  Received 29 Oct, published by the council 3 Nov 2026 Full applications
• 26/07401/FULL Awaiting decision

  82 Jermyn Street London SW1Y 6JD

  Use of the ground floor unit as a drinking establishment (Sui Generis).

  Received 29 Oct, published by the council 3 Nov 2026 Full applications