Basement And Ground Floor 39 Marylebone High Street London W1U 4QG

1. 7 Sep 2026

   Received by Westminster

2. 15 Sep 2026

   Added to PlanIndex

3. 24 Sep 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.

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.

• 39 Marylebone High Street London W1U 4QQ

  22/04741/NMA Submitted 15 Jul 2022 50 yards away

  Amendments to planning permission 21st June 2022 (RN: 22/01190/FULL) Erection of a rear mansard style roof extension to enlarge dwelling (Class C3) and installation of new double-glazed windows on front and rear elevations of the building. NAMELY; installation of an additional conservation roof light and the use of lead at new flat roof level.

  Refused Amendments Extension Loft or dormer +1 11 docs
  Domestic

• 36 Marylebone High Street London W1U 4QD

  26/01102/ADV Submitted 23 Feb 2026 50 yards away

  Display of an internally illuminated (letters only) projecting sign measuring 0.25m x 0.5m.

  Granted Advertising 18 docs

• 16 Beaumont Mews London W1G 6EJ

  25/05859/FULL Submitted 19 Aug 2025 50 yards away

  Variation of conditions 1 and 13 of planning permission 19 February 2025 (RN: 24/03039/FULL) for the: 'Excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3)'. Namely, to allow openable side hung windows instead of fixed-shut to the rear of the site. (Application under Section 73 of the Act)

  Granted Full applications Loft or dormer Demolition +1 10 docs
  Small domestic

• 16 Beaumont Mews London W1G 6EJ

  25/07149/FULL Submitted 3 Oct 2025 50 yards away

  Variation of Conditions 1 of planning permission dated 19th February 2025 (RN: 24/03039/FULL) for, 'Excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3)'; NAMELY, to allow the retention of the garage space together with associated amendments to the internal layout and external openings; omission of approved lightwell from the ground to basement level; alterations to fenestration to the front and rear elevations, and relocation of roof level plant. (Application under Section 73 of the Act).

  Granted Full applications Loft or dormer Demolition +1 27 docs
  Small domestic

• 16 Beaumont Mews London W1G 6EJ

  26/03548/FULL Submitted 29 May 2026 50 yards away

  88% historically approved · decision due ~24 Jul

  Variation of Condition 1 (approved plans) and Condition 2 (Code of Construction Practice) of planning permission 24/03039/FULL dated 19th February 2025 for the 'Excavation of single storey basement and demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3)'; namely to allow the development to be carried out in two phases and to secure the submission and approval of the Code of Construction Practice on a phase-specific basis. (Application under Section 73 of the Act).

  Awaiting decision Full applications Loft or dormer Demolition 10 docs
  Small domestic

• 16 Beaumont Mews London W1G 6EJ

  25/07157/NMA Submitted 3 Oct 2025 50 yards away

  Amendments to planning permission dated 19 February 2025 (RN:24/03039/FULL) for excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3). namely, to allow the addition of a condition to the addtiona of a condition allwoing the development to be carried in two phase. for the approved development to be implemented in two phases, with the basement construction deferred to a later stage.

  Withdrawn Amendments Loft or dormer Demolition 7 docs
  Small domestic

• 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