1 Bentinck Street London W1U 2EA

This site has had 2 applications since 2026.

• 26/05399/LBC Awaiting decision

  1 Bentinck Street London W1U 2EA

  Installation of external air condensers to lower-ground lightwell with corresponding internal alterations to lower-ground floor - third floor including: degassing and associated piped heating system, installation of fan coil units and panel heaters, acoustic improvements and slimline double glazing throughout. (Linked with 26/05398/FULL)

  Submitted 7 Aug 2026 Heritage and listed buildings

1. 7 Aug 2026

   Received by Westminster

2. 17 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 18 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 12 October 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.

• 26/05399/LBC Awaiting decision

  1 Bentinck Street London W1U 2EA

  Installation of external air condensers to lower-ground lightwell with corresponding internal alterations to lower-ground floor - third floor including: degassing and associated piped heating system, installation of fan coil units and panel heaters, acoustic improvements and slimline double glazing throughout. (Linked with 26/05398/FULL)

  Submitted 7 Aug 2026 Heritage and listed buildings

1 later application on the register refers to this one:

• 26/05399/LBC Awaiting decision

  1 Bentinck Street London W1U 2EA

  Installation of external air condensers to lower-ground lightwell with corresponding internal alterations to lower-ground floor - third floor including: degassing and associated piped heating system, installation of fan coil units and panel heaters, acoustic improvements and slimline double glazing throughout. (Linked with 26/05398/FULL)

  Submitted 7 Aug 2026 Heritage and listed buildings

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.

• Ground Floor 1 Bentinck Street London W1U 2EA

  26/05405/FULL Submitted 7 Aug 2026 50 yards away

  88% historically approved · decision due ~2 Oct

  Use of the ground floor for dual use as Retail (Class E (a)) and Cafe (Class E (b)) for a temporary period of 20 years.

  Decided Full applications

• 1 Bentinck Street London W1U 2EA

  26/05399/LBC Submitted 7 Aug 2026 50 yards away

  90% historically approved · decision due ~12 Oct

  Installation of external air condensers to lower-ground lightwell with corresponding internal alterations to lower-ground floor - third floor including: degassing and associated piped heating system, installation of fan coil units and panel heaters, acoustic improvements and slimline double glazing throughout. (Linked with 26/05398/FULL)

  Awaiting decision Heritage and listed buildings Windows or glazing

• 4 Bentinck Street London W1U 2EF

  22/03397/FULL Submitted 23 May 2022 50 yards away

  Erection of a pergola at second floor with retractable awning and installation of bi-fold doors to the second-floor terrace.

  Granted Full applications Windows or glazing 21 docs

• 4 Bentinck Street London W1U 2EF

  22/08492/NMA Submitted 16 Dec 2022 50 yards away

  Amendments to planning permission dated 2 August 2022 (RN:22/03397/FULL) for 'Erection of a pergola at second floor with retractable awning and installation of bi-fold doors to the second-floor terrace' - namely, the change from timber glulam materiality to aluminium and minor alterations to the spacing, size and number of columns and bi-fold doors.

  Granted Amendments Windows or glazing 21 docs

• 4 Bentinck Street London W1U 2EF

  21/00501/ADFULL Submitted 28 Jan 2021 50 yards away

  Details pursuant to conditions 2 and 9 of planning permission dated 8 October 2020 (RN: 20/02753/FULL); Namely details of roof terrace screens.

  Granted Full applications 13 docs

• 17 Welbeck Street London W1G 9XJ

  25/06437/FULL Submitted 9 Sep 2025 50 yards away

  Installation of five condenser units to internal lightwell and associated pipework and refurbishment works including repairs to external staircase. (Linked to 25/06438/LBC)

  Granted Full applications 24 docs

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications