40 Upper Montagu Street London W1H 1RP

1. 23 Sep 2009

   Received by Westminster

2. 28 Oct 2009

   Validated

   Checked as complete and ready for consideration.

3. 16 Dec 2009

   Decision issued: Application Permitted

4. 14 Sep 2026

   Added to PlanIndex

Westminster granted permission on 16 December 2009, 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.

• 45 York Street London W1H 1PW

  25/09312/LBC Submitted 23 Dec 2025 50 yards away

  Installation of cavity membrane system to the walls and soffit of the vault.

  Granted Heritage and listed buildings 12 docs

• 26 Upper Montagu Street London W1H 1RP

  26/03214/FULL Submitted 15 May 2026 50 yards away

  87% historically approved · decision due ~10 Jul

  Erection of a one and a half storey rear extension tp enlarge HMO, installation of replacement windows and installation of balcony railings.

  Awaiting decision Full applications Extension Windows or glazing 12 docs

• 26 Upper Montagu Street London W1H 1RP

  25/08746/FULL Submitted 1 Dec 2025 50 yards away

  87% historically approved · decision due ~26 Jan

  Erection of a two storey rear extension and internal reconfiguration of HMO.

  Awaiting decision Full applications Extension 18 docs

• 5 - 7 Durweston Street London W1H 1PH

  07/03448/ADFULL Submitted 19 Apr 2007 50 yards away

  Details of waste and recyclable store pursuant to Condition 4 of planning permission dated 6 October 1006 (RN: 06/04302).

  Refused Full applications 3 docs

• 5 - 7 Durweston Street London W1H 1PH

  07/05759/ADFULL Submitted 2 Jul 2007 50 yards away

  Details of waste storage pursuant to Condition 4 of planning permission dated 6 October 2006 (RN: 06/04302).

  Granted Full applications 2 docs

• 25 Upper Montagu Street London W1H 1SA

  25/07358/FULL Submitted 10 Oct 2025 50 yards away

  87% historically approved · decision due ~6 Jan

  Replacement of existing external staircase within front lightwell. (Linked to 25/08299/LBC)

  Awaiting decision Full applications 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