Flat 3 54 Montagu Square London W1H 2LP

1. 31 Aug 2026

   Received by Westminster

2. 7 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 7 Sep 2026

   Added to PlanIndex

4. 8 Oct 2026

   Status changed to Decided

   Previously Pending.

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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.

• Flat 1 49 Montagu Square London W1H 2LW

  25/05705/FULL Submitted 14 Aug 2025 50 yards away

  Replacement of existing single glazed sash timber windows and frames with new double glazed sash timber windows and frames - 5 windows on the front elevation. (Linked with 25/05706/LBC)

  Granted Full applications Windows or glazing 24 docs

• Flat 1 49 Montagu Square London W1H 2LW

  25/05706/LBC Submitted 14 Aug 2025 50 yards away

  Replacement of existing single glazed sash timber windows and frames with new double glazed sash timber windows and frames - 5 windows on the front elevation. (Linked with 25/05705/FULL)

  Granted Heritage and listed buildings Windows or glazing 20 docs

• 8 Montagu Mews West London W1H 2EE

  26/03228/FULL Submitted 15 May 2026 50 yards away

  88% historically approved · decision due ~10 Jul

  Roof extension, installation of air conditioning unit in an acoustic enclosure, alterations to the front and rear facades and associated works.

  Awaiting decision Full applications Extension 28 docs

• 9 Montagu Mews West London W1H 2EE

  26/02315/FULL Submitted 8 Apr 2026 50 yards away

  88% historically approved · decision due ~10 Jun

  Installation of air conditioning condenser unit and acoustic enclosure to roof.

  Awaiting decision Full applications 23 docs

• 50 Montagu Square London W1H 2LW

  26/04360/LBC Submitted 1 Jul 2026 50 yards away

  90% historically approved · decision due ~26 Aug

  Replacement of areas of roof covering with slate tiles to match existing, and replacement of localised areas of flashing to the roof.

  Awaiting decision Heritage and listed buildings Roofing

• Flat 4 58 Montagu Square London W1H 2LS

  26/03515/ADLBC Submitted 28 May 2026 50 yards away

  89% historically approved · decision due ~23 Jul

  Detailed drawings of the new doors pursuant to condition 3 of listed building consent dated 11th September 2025 (RN:25/04771).

  Awaiting decision Conditions 5 docs

• 26/07202/LBC Awaiting decision

  Basement East And Ground Floor And First Floor 33 Weymouth Street London W1G 7BY

  Replacement of 13 doorsets with fire doors.

  Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
• 26/07183/LBC Awaiting decision

  306 - 308 Regent Street London W1B 3AT

  Installation of a manually operated retractable fabric awning to the existing shopfront at 308 Regent Street, comprising an orange fabric canopy with discreet printed lettering to the front valance, together with associated supporting framework, mounting brackets and fixings to the existing fa?ade.

  Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
• 26/07191/LBC Awaiting decision

  6 Wilton Place London SW1X 8RH

  Layout alterations and replacement of internal doors.

  Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
• 26/07199/LBC Awaiting decision

  49 Queen's Gardens London W2 3AA

  Erection of a mansard roof extension incorporating rooflights and a rear balcony; installation of Juliet balconies at ground and first floor levels to the rear; demolition of the existing courtyard extension and erection of a single-storey infill extension; extension of the rear wing at first floor (mezzanine) and second floor levels; fenestration alterations including the installation of new windows; stucco repairs and partial rebuilding of the rear extensions; and associated internal alterations at all levels. (Linked to 26/07198/FULL)

  Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
• 26/07192/LBC Awaiting decision

  119 Warwick Way London SW1V 4HS

  Conversion and internal alterations to the ground floor flat (Retrospective)

  Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings