Flat 4 8 Upper Montagu Street London W1H 2PB

This site has had 2 applications since 2026.

• 26/06370/FULL Awaiting decision

  Flat 4 8 Upper Montagu Street London W1H 2PB

  Replacement of an existing timber single-glazed sash windows with a timber slimline double-glazed sash windows at third floor level. (Linked with 26/06369/LBC)

  Submitted 17 Sep 2026 Full applications

1. 17 Sep 2026

   Received by Westminster

2. 1 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 2 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 26 November 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 86 days over the applications it decided in the last year.

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.

• Flat 1 8 Upper Montagu Street London W1H 2PB

  26/04890/LBC Submitted 21 Jul 2026 50 yards away

  90% historically approved · decision due ~15 Sep

  Replacement of existing windows with timber slimline double-glazed windows, including two bay windows, and replacement of lower ground floor French doors with a double-glazed casement window. (Linked with 26/04889/FULL)

  Awaiting decision Heritage and listed buildings Windows or glazing

• Flat 4 8 Upper Montagu Street London W1H 2PB

  26/06370/FULL Submitted 17 Sep 2026 50 yards away

  88% historically approved · decision due ~26 Nov

  Replacement of an existing timber single-glazed sash windows with a timber slimline double-glazed sash windows at third floor level. (Linked with 26/06369/LBC)

  Awaiting decision Full applications Windows or glazing

• Flat 1 8 Upper Montagu Street London W1H 2PB

  26/04889/FULL Submitted 21 Jul 2026 50 yards away

  88% historically approved · decision due ~15 Sep

  Replacement of existing windows with timber slimline double-glazed windows, including two bay windows, and replacement of lower ground floor French doors with a double-glazed casement window. (Linked to 26/04890/LBC)

  Awaiting decision Full applications Windows or glazing 32 docs

• 16 Upper Montagu Street London W1H 2AN

  10/05775/LBC Submitted 8 Jul 2010 50 yards away

  Installation of Portland stone paving slabs to front area lightwell cross-over.

  Granted Heritage and listed buildings 9 docs

• Brymon Court 31 - 32 Montagu Square London W1H 2LH

  25/07520/FULL Submitted 17 Oct 2025 50 yards away

  Replacement of windows to the front, side and rear elevations with aluminium framed windows.

  Granted Full applications Windows or glazing 21 docs

• 30 Montagu Square London W1H 2LQ

  10/03246/FULL Submitted 12 Apr 2010 50 yards away

  Erection of rear extension to replace existing rear extension.

  Granted Full applications Extension 19 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