Flat C 17 Lancaster Gate London W2 3LH

This site has had 2 applications since 2026.

• 26/07348/LBC Awaiting decision

  Flat C 17 Lancaster Gate London W2 3LH

  Installation of an external air conditioning condenser unit at roof level, including associated acoustic enclosure, anti-vibration mounts and ancillary works. (Linked to 26/07347/FULL)

  Submitted 27 Oct 2026 Heritage and listed buildings

1. 27 Oct 2026

   Received by Westminster

2. 3 Nov 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 22 December 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.

1 later application on the register refers to this one:

• 26/07348/LBC Awaiting decision

  Flat C 17 Lancaster Gate London W2 3LH

  Installation of an external air conditioning condenser unit at roof level, including associated acoustic enclosure, anti-vibration mounts and ancillary works. (Linked to 26/07347/FULL)

  Submitted 27 Oct 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.

• 10 - 11 Lancaster Gate London W2 3LH

  26/06212/NMA Submitted 10 Sep 2026 50 yards away

  Amendment to Condition 12 (Whole Life Carbon) of planning permission dated 19th April 2024 (RN 23/04044/FULL) for Change of use from hotel to residential use (Class C3) with associated internal alterations to create 11 new units and external alterations comprising reconfiguration and recladding of the rear extension and restoration of the existing building. Namely to include additional requirement to evidence and justify where benchmarks cannot be achieved, consider mitigation measures and if none, evidence that all mitigation measures have been exhausted. (Linked with RN 26/06213/ADFULL)

  Decided Amendments Extension
  Major scheme

• 10 - 11 Lancaster Gate London W2 3LH

  26/06266/ADLBC Submitted 10 Sep 2026 50 yards away

  89% historically approved · decision due ~5 Nov

  Detailed elevation and section drawings showing the new front entrance door at ground floor level including side and transom light windows pursuant to Condition 9 of listed building dated 19th April 2024 (RN:23/04045/LBC)

  Decided Windows or glazing

• 10 - 11 Lancaster Gate London W2 3LH

  26/06213/ADFULL Submitted 10 Sep 2026 50 yards away

  89% historically approved · decision due ~5 Nov

  Details of an updated version of the Whole Life Carbon Assessment pursuant to Condition 12 of planning permission dated 19th April 2024 (RN:23/04044/FULL)

  Awaiting decision

• 10 - 11 Lancaster Gate London W2 3LH

  26/04612/ADFULL Submitted 10 Jul 2026 50 yards away

  89% historically approved · decision due ~4 Sep

  Details of whole life carbon assessment pursuant to condition 12(c) of planning permission dated 27 March 2024 (RN: 23/04044/FULL)

  Decided

• Flat C 17 Lancaster Gate London W2 3LH

  26/07348/LBC Submitted 27 Oct 2026 50 yards away

  90% historically approved · decision due ~22 Dec

  Installation of an external air conditioning condenser unit at roof level, including associated acoustic enclosure, anti-vibration mounts and ancillary works. (Linked to 26/07347/FULL)

  Awaiting decision Heritage and listed buildings

• 10 - 11 Lancaster Gate London W2 3LH

  25/08065/ADLBC Submitted 5 Nov 2025 50 yards away

  Details of materials for wall and ceiling decorations in room L-0-3 (as stated on drawing 101-B) and details of a methodology for the new plaster including the number, composition and materials proposed for the coats of new plaster and including details of the construction method for new cornicing and ceiling decorations pursuant to condition 15 and 16 (partial) of listed building dated 19th April 2024 (RN: 23/04045/LBC)

  Granted Conditions 8 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