Flat 3 35 Montagu Square London W1H 2LJ

1. 18 Jul 2023

   Received by Westminster

2. 3 Aug 2023

   Decision issued: Application Permitted

3. 14 Sep 2026

   Added to PlanIndex

Westminster granted permission on 3 August 2023, 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.

• 33 Montagu Square London W1H 2LJ

  04/09790/LBC Submitted 10 Dec 2004 7m away

  Alterations to windows, removal and replacement of railings, removal of awning on terrace and replacement of internal partitions.

  Granted Heritage and listed buildings Windows or glazing 2 docs

• 33 Montagu Square London W1H 2LJ

  04/09789/FULL Submitted 10 Dec 2004 7m away

  Alterations to windows, removal and replacement of railings and removal of awning on terrace.

  Granted Full applications Windows or glazing 8 docs

• 33 Montagu Square London W1H 2LJ

  06/04851/LBC Submitted 20 Jun 2006 7m away

  Refurbishment of a two storey maisonette including mechanical and electrical services and new access stair (second and third floor).

  Granted Heritage and listed buildings 7 docs

• 33 Montagu Square London W1H 2LJ

  06/04850/FULL Submitted 20 Jun 2006 7m away

  Internal alterations at third and fourth floor level together with new access stair.

  Decided Full applications 7 docs

• Basement And Ground Floor 38 Montagu Square London W1H 2LL

  26/01422/LBC Submitted 10 Feb 2026 20m away

  90% historically approved · decision due ~7 Apr

  Variation of condition 4(b) of listed building consent dated 28 December 2023 (RN 23/07347/LBC) for the demolition of existing roof and erection of a mansard roof extension at first floor level and alterations to the front and rear of the portion of the building fronting onto Bryanston Mews East. Subdivision and reconfiguration of existing ground and lower ground floor levels of the building and together with the new first floor extension to the mews portion of the building, create two self-contained residential units (Class C3) and associated external alterations. Lowering of front pavement vault [Site includes 22 Bryanston Mews East] (Linked with 23/07346/FULL) NAMELY, to replace the wording of "conservation rooflights" with "low profile horizontal rooflights". (Linked to 26/00837/FULL)

  Awaiting decision Heritage and listed buildings Extension Loft or dormer +1 6 docs

• Basement And Ground Floor 38 Montagu Square London W1H 2LL

  26/00837/FULL Submitted 11 Feb 2026 20m away

  87% historically approved · decision due ~8 Apr

  Variation of condition 4(b) of planning permission dated 28 December 2023 (RN 23/07346/FULL) for the demolition of existing roof and erection of a mansard roof extension at first floor level and alterations to the front and rear of the portion of the building fronting onto Bryanston Mews East. Subdivision and reconfiguration of existing ground and lower ground floor levels of the building and together with the new first floor extension to the mews portion of the building, create two self-contained residential units (Class C3) and associated external alterations. Lowering of front pavement vault [Site includes 22 Bryanston Mews East] (Linked with 23/07347/LBC) NAMELY, to amend the wording of condition 4 (b) to remove reference of the approved rooflights are to be conservation rooflights and low profile horizontal rooflights.

  Awaiting decision Full applications Extension Loft or dormer +1 4 docs

• 26/06165/LBC Awaiting decision

  17 Hertford Street London W1J 7RS

  Internal alterations to the basement including new lightweight timber-stud partitions to reorganise the existing basement layout; Installation of new sanitaryware in a newly configured bathroom; Replacement of modern kitchen fittings; and Installation of traditional four-panel timber doors, architraves and ironmongery designed to match existing doors.

  9 Sep 2026 Heritage and listed buildings
• 26/06150/LBC Awaiting decision

  37 Crawford Street London W1H 1HA

  Use of the First, Second and Third Floors as residential units (Class C3) with Office (or other Use Class E) Use retained at Basement and Ground Floor Levels. (Linked with 26/06149/FULL)

  9 Sep 2026 Heritage and listed buildings
• 26/06183/LBC Awaiting decision

  Ground Left Burlington House Piccadilly London W1J 0BD

  Facade gommage cleaning to the SE elevation of Burlington House, facing onto the courtyard. These works will be supervised by Purcell Architects. The works are in preparation for a detailed elevation condition survey.

  9 Sep 2026 Heritage and listed buildings
• 26/06155/LBC Awaiting decision

  17 Bedford Street London WC2E 9HP

  Display of externally illuminated projection sign measuring 900mm x 300mm (Linked with 26/06146/ADV)

  9 Sep 2026 Heritage and listed buildings
• 26/06151/LBC Awaiting decision

  The London Pavillion 1 Piccadilly London W1J 0DA

  Installation of 6 digital advertisement displays within existing historic advertisement niches on the building facade. (Linked with 26/06128/ADV)

  9 Sep 2026 Heritage and listed buildings