Flat C 17 Lancaster Gate London W2 3LH

This site has had 2 applications since 2026.

• 26/07347/FULL 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 26/07348/LBC)

  Submitted 27 Oct 2026 Full applications

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.

• 26/07347/FULL 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 26/07348/LBC)

  Submitted 27 Oct 2026 Full applications

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 119 days. More in our guide to how long planning decisions take.

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.

• 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

  26/07347/FULL Submitted 27 Oct 2026 50 yards away

  88% 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 26/07348/LBC)

  Awaiting decision Full applications

• 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

• 26/05473/LBC Decided

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/06273/FULL)

  Received 12 Aug, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/07416/LBC Awaiting decision

  39 Montagu Square London W1H 2LL

  Amalgamation of Flats 3 and 4 to form one single dwelling including associated internal reconfiguration and refurbishments, alterations to access arrangements and improvements to the existing terrace and private amenity spaces. Together with the removal and alteration of modern partitions, roof replacement, rebuilding of the roof terrace, addition of a new staircase, structural works, new window openings, and other associated works. (Linked with 26/07415/FULL)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07404/LBC 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 26/07403/FULL)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07390/LBC Awaiting decision

  40 Wigmore Street London W1U 2RX

  Installation of a non-illuminated fascia sign measuring 0.29m x 0.79m and two vinyl signs applied to inside face of the glazed shopfront each measuring 0.22m x 0.84m. (Linked with 26/06970/ADV)

  29 Oct 2026 Heritage and listed buildings
• 26/07372/LBC Awaiting decision

  8A Randolph Road London W9 1AN

  Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07371/FULL)

  Received 28 Oct, published by the council 2 Nov 2026 Heritage and listed buildings