1 New Quebec Street London W1H 7DD

1. 30 Sep 2025

   Received by Westminster

2. 13 Oct 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 13 October 2025, 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.

• 20A Seymour Street London W1H 7HX

  25/09083/LBC Submitted 16 Dec 2025 50 yards away

  90% historically approved · decision due ~10 Feb

  Installation of replacement sash windows and a replacement skylight within a smaller opening. [Linked with 25/09082/FULL]

  Awaiting decision Heritage and listed buildings Windows or glazing 4 docs

• 20A Seymour Street London W1H 7HX

  25/09082/FULL Submitted 16 Dec 2025 50 yards away

  87% historically approved · decision due ~10 Feb

  Installation of replacement sash windows and a replacement skylight within a smaller opening. [Linked with 25/09083/LBC].

  Awaiting decision Full applications Windows or glazing 3 docs

• Flat 3 20A Seymour Street London W1H 7HX

  25/05696/LBC Submitted 13 Aug 2025 50 yards away

  Layout changes including increasing size of bedroom, relocate bathroom door to create an en-suite, increase size of kitchen and divide box room to the lower floor to create a guest WC and Utility room.

  Granted Heritage and listed buildings 15 docs

• 18 Seymour Street London W1H 7HU

  26/03007/ADLBC Submitted 7 May 2026 50 yards away

  90% historically approved · decision due ~2 Jul

  Details of the repairs and upgrading of the rear oriel window pursuant to condition 5 of listed building consent dated 8th August 2023 (RN:23/02367).

  Awaiting decision Conditions Windows or glazing 10 docs

• 18 Seymour Street London W1H 7HU

  26/05164/ADLBC Submitted 30 Jul 2026 50 yards away

  89% historically approved · decision due ~24 Sep

  Details of new vault doors pursuant to condition 3 of listed building consent dated 01 April 2026 (RN: 26/01486/LBC)

  Decided

• 18 Seymour Street London W1H 7HU

  26/01286/ADLBC Submitted 2 Mar 2026 50 yards away

  90% historically approved · decision due ~27 Apr

  Details of vaults waterproofing method pursuant to Condition 7 of listed building consent dated 8 August 2023 (RN: 23/02367/LBC)

  Awaiting decision Conditions 7 docs

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Removal of non structural partitions, replacement of non original doors with full height concealed doors.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Waterproofing the basement level.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

  Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings
• 26/06288/LBC Awaiting decision

  Barness Court 6 - 8 Westbourne Terrace London W2 3UW

  Installation of a new riser as per GW10 design comprising a single riser with 7 entries and 9 Taylor valves to be installed. (Linked with 26/06287/FULL)

  Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings