Basement And Ground Floor 37 Thayer Street London W1U 2QY

1. 24 Jul 2025

   Received by Westminster

2. 13 Aug 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 13 August 2025, 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.

Advertisement consent is judged on two things only: amenity and public safety, not competition or other planning considerations. More in our guide to planning application types.

• Basement And Ground Floor 79 Marylebone Lane London W1U 2PX

  26/06774/ADV Submitted 5 Oct 2026 50 yards away

  82% historically approved · decision due ~30 Nov

  Display of a non-illuminated fascia sign measuring 0.70m x 1.99m.

  Decided Advertising

• 1 Marylebone High Street London W1U 4DL

  25/08905/FULL Submitted 8 Dec 2025 50 yards away

  88% historically approved · decision due ~2 Feb

  Use of the 1st and 2nd floor maisonette from residential use (Class C3) to office use (Class E). This application forms part of a land use swap with 38 Portland Place (inc. 9 Cavendish Mews North) and Moxon House

  Awaiting decision Full applications 14 docs

• 1 Marylebone High Street London W1U 4DL

  26/00431/NMA Submitted 26 Jan 2026 50 yards away

  93% historically approved · decision due ~25 May

  Amendments to planning permission dated 18 June 2025 (RN: 24/08179/FULL) for the: Rear extension to existing building, formation of new roof terrace including rooftop pavilion, new external plant, replacement of existing windows with double glazing and minor alterations to building facade including new entrance. Namely, to allow the removal of existing entrance step with a ramp; removal of existing smoke vents and pavement lights with concrete to match existing; and changes in window arrangement on rear and north elevation of the building.

  Awaiting decision Amendments Extension Roofing +1 18 docs

• 1 Marylebone High Street London W1U 4DL

  25/06757/ADFULL Submitted 19 Sep 2025 50 yards away

  Detailed samples of the cladding for the rooftop pavilion pursuant to condition 4 of planning permission dated 18th June 2025 (RN: 24/08179).

  Granted Full applications 8 docs

• 1 Marylebone High Street London W1U 4DL

  25/05396/ADFULL Submitted 1 Aug 2025 50 yards away

  Details of shopfront, new windows, new glazed entrance door, refuse & recycling storage, all flood resilient and resistant measures, elevation and floor plans showing privacy measures to prevent occupants of the terrace overlooking the roof terrace, pre-demolition audit and secure cycle storage for the ground floor retail units (two spaces) pursuant to conditions 8, 11, 15, 17, 20 and 21 of planning permission dated 18th June 2025 (RN:24/08179).

  Granted Full applications Demolition Windows or glazing 24 docs

• 1 Marylebone High Street London W1U 4DL

  26/05334/FULL Submitted 6 Aug 2026 50 yards away

  88% historically approved · decision due ~1 Oct

  Removal of existing Luxcrete panelled pavement and replacement with York stone paving slabs outside 1 Marylebone High Street; and addition of textured porcelain tiles to office entrance step.

  Decided Full applications

• 26/07474/ADV Awaiting decision

  456 - 459 Strand London WC2R 0RG

  Display of non illuminated fascia sign measuring 4.3m X 0.9m, 5.1m X 0.9m, externally illuminated fascia sign 4.5m X 0.9m, externally illuminated projecting sign 0.8m X 0.65m, non illuminated 3mm vinyl measuring 2m X 2.6m, 0.8m X 1.7m and internally illuminated New digital/connected Screen 0.8m X 1.6m

  Received 3 Nov, published by the council 6 Nov 2026 Advertising
• 26/07436/ADV Awaiting decision

  Unit 1 123 Bayswater Road London W2 3JH

  Display of 2 x externally illuminated fascias signs each measuring 0.335m x 1.00m.

  Received 2 Nov, published by the council 5 Nov 2026 Advertising
• 26/07441/ADV Awaiting decision

  2 Charing Cross Road London WC2H 0HH

  Display of externally illuminated hanging sign measuring 10.34m X 2.9m and externally illuminated festoon lights cable measuring 0.04m X 7.5m

  Received 2 Nov, published by the council 5 Nov 2026 Advertising
• 26/07429/ADV Awaiting decision

  24 - 25 Mount Street London W1K 2RR

  Display of Christmas decorations to the front facade at ground floor level for a temporary period from 18 December 2026 to 9 January 2027.

  Received 2 Nov, published by the council 4 Nov 2026 Advertising
• 26/07439/ADV Awaiting decision

  5 - 6 Leicester Square London WC2H 7NA

  Display of internally illuminated fascia sign measuring 3.25m X 1.132m and 14.5m X 1.132m

  Received 2 Nov, published by the council 5 Nov 2026 Advertising