Brymon Court 31 - 32 Montagu Square London W1H 2LH

This site has had 2 applications since 2025: 1 approved, 0 refused.

• 25/07520/FULL Granted

  Brymon Court 31 - 32 Montagu Square London W1H 2LH

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

  Decided 6 May 2026 Full applications

1. 23 Oct 2026

   Received by Westminster

2. 27 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 18 December 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 87 days over the applications it decided in the last year.

• 25/07520/FULL Granted

  Brymon Court 31 - 32 Montagu Square London W1H 2LH

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

  Decided 6 May 2026 Full applications

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided amendment applications in a median of 81 days. More in our guide to how long planning decisions take.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• 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

• 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

• 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

• 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 4 8 Upper Montagu Street London W1H 2PB

  26/06369/LBC Submitted 17 Sep 2026 50 yards away

  90% 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 Heritage and listed buildings Windows or glazing

• 26/07243/NMA Awaiting decision

  144 Praed Street London W2 1HU

  Amendments to planning permission dated 09 August 2024 (RN: 22/08247/FULL) for the replacement of the mansard roof with a sheer brickwork extension, new mansard roof extension and rooftop plant enclosure to provide additional hotel accommodation (Class C1); alterations to facade fenestration and shopfronts; installation of a green wall to the side (north-east); and associated works. NAMELY, to amend Condition 13 to require details of the modular green wall to be submitted prior to commencement of the relevant part of the development.

  Received 22 Oct, published by the council 26 Oct 2026 Amendments
• 26/07181/NMA Awaiting decision

  Newlands House 37 - 40 Berners Street London W1T 3NA

  Amendments to planning permission dated 9th October 2025 (RN:25/04048/FULL) forInfilling of the ground floor undercroft along Mortimer Street (Class E), replacement of ground floor frontage to the whole building and refurbishment of the upper floor facades. Namely, alterations to the approved green roof area at the site.

  Received 21 Oct, published by the council 22 Oct 2026 Amendments
• 26/07132/NMA Awaiting decision

  157 - 159 Victoria Street London SW1E 5NA

  Amendments to planning permission dated 27 August 2026 (RN: 26/04666/FULL) for the: Installation of combined defibrillator and bleed kit cabinets to external wall of Nationwide Building Society branch. NAMELY, to allow alteration to design of combined defibrillator and bleed kit cabinet.

  Received 19 Oct, published by the council 20 Oct 2026 Amendments
• 26/07086/NMA Awaiting decision

  Windsor House 50 Victoria Street London SW1H 0TL

  Amendments to planning permission dated 18th September 2026 (RN 26/01445/FULL) for the Refurbishment of Windsor House and Christchurch House (excluding residential part), including re-cladding and amendment of facades, replacement of windows, new end-of-trip facilities, installation of roof-level plant and screening, and associated works, to provide office, retail, restaurant and indoor recreation accommodation (Class E) with amenity spaces, including a new roof level pavilion to Christchurch House and link bridge between Windsor House and Christchurch House. NAMELY, amendments to the wording of Conditions 1, 11, 12, 13,14, 15 and 26.

  Received 16 Oct, published by the council 20 Oct 2026 Amendments
• 26/07071/NMA Awaiting decision

  London School Of Economics & Political Science Houghton Street London WC2A 2AE

  Amendments to planning permission dated 21st Februrary 2018 (RN:17/05855/FULL) for Variation of Condition 1 of planning permission dated 19 October 2016 (RN:16/05155/FULL) for demolition of existing buildings known as Clare Market, The Anchorage, the East Building, St Clements (partial) and Tower One (partial) and redevelopment to provide replacement interconnected academic facilities for Class D1 and ancillary uses, comprising a two storey basement, a part six storey / part 13 storey building and a seven storey core extension to the St Clements building and associated cycle parking and other works; all arranged around a new public square namely, removal of two cycle stands.

  Received 15 Oct, published by the council 16 Oct 2026 Amendments