25 Upper Montagu Street London W1H 1SA

This site has had 2 applications since 2025.

• 25/07358/FULL Awaiting decision

  25 Upper Montagu Street London W1H 1SA

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

  Submitted 10 Oct 2025 Full applications

1. 11 Nov 2025

   Received by Westminster

2. 20 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 6 January 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 66 days over the applications it decided in the last year.

• 25/07358/FULL Awaiting decision

  25 Upper Montagu Street London W1H 1SA

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

  Submitted 10 Oct 2025 Full applications

1 later application on the register refers to this one:

• 25/07358/FULL Awaiting decision

  25 Upper Montagu Street London W1H 1SA

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

  Submitted 10 Oct 2025 Full applications

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 94 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.

• 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 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

• 21 Upper Montagu Street London W1H 2PQ

  25/08056/LBC Submitted 5 Nov 2025 50 yards away

  90% historically approved · decision due ~31 Dec

  Replacement of existing non-original single-glazed timber sash windows with new slimline double-glazed timber sash windows to match the original in appearance, detailing and materials. (Linked to 25/08055/FULL)

  Awaiting decision Heritage and listed buildings Windows or glazing 16 docs

• 21 Upper Montagu Street London W1H 2PQ

  25/08055/FULL Submitted 5 Nov 2025 50 yards away

  87% historically approved · decision due ~31 Dec

  Replacement of single-glazed timber sash windows with slimline double-glazed timber sash windows to match the original in appearance, detailing and materials. (Linked to 25/08056/LBC)

  Awaiting decision Full applications Windows or glazing 16 docs

• 21 Upper Montagu Street London W1H 2PQ

  25/06220/FULL Submitted 2 Sep 2025 50 yards away

  Careful dismantling and rebuilding of bowed flank elevation in matching/reused brickwork and replacement of existing timber joists to third floor. (Linked with 25/06221/LBC)

  Withdrawn Full applications 20 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
• 26/04141/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
• 26/06270/LBC Awaiting decision

  Maisonette Basement And Ground Floor 101 Hereford Road London W2 5BB

  Amalgamation of existing lower ground and ground floor maisonette with the first floor flat to create a single dwelling and associated internal works including creation of a staircase. (Linked with 26/06269/FULL)

  Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 26/06230/LBC Awaiting decision

  10 Bedford Street London WC2E 9HE

  Internal redecoration/refurbishment to the existing Caffe Nero including redecorating throughout, replacing the tiled floor in the customer area, raising the timber floor by 180mm on the left-hand side upon entry to bring interest to the area, for the existing large, boxed window cils on right-hand side upon entry; the one on the far right will be removed to give way for more seating, with the other being adapted to allow for leg space below, and two bespoke decorative chandeliers to be hung in the customer area which will be installed with structural engineer approval.

  Received 11 Sep, published by the council 21 Sep 2026 Heritage and listed buildings