Basement And Ground Floor 79 Marylebone Lane London W1U 2PX

1. 5 Oct 2026

   Received by Westminster

2. 8 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 30 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 advertisement consent applications in a median of 70 days. More in our guide to how long planning decisions take.

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 37 Thayer Street London W1U 2QY

  25/05159/ADV Submitted 24 Jul 2025 50 yards away

  Display of one externally illuminated fascia sign measuring 0.425m x 19.6m.

  Granted Advertising 13 docs

• 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

  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

• 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

• 26/06992/ADV Decided

  78 - 80 Wigmore Street London W1U 2SJ

  Display of self-adhesive vinyl in the windows measuring 3.06m x 2.16m.

  Received 13 Oct, published by the council 15 Oct 2026 Advertising
• 26/07194/ADV Awaiting decision

  98 Victoria Street London SW1E 5JL

  Display of two internally illuminated double-sided projecting signs, each measuring 0.57m × 0.67m. (Linked with 26/07193/FULL)

  Received 21 Oct, published by the council 22 Oct 2026 Advertising
• 26/07160/ADV Awaiting decision

  18 - 21 Haymarket London SW1Y 4DQ

  Display of non illuminated fascia sign measauring 2.3m X 4m and 2.4m X 3.6m

  Received 20 Oct, published by the council 22 Oct 2026 Advertising
• 26/07157/ADV Awaiting decision

  41 - 44 Great Windmill Street London W1D 7NF

  Display of one non illuminated projection sign, measuring 800mm x 300mm

  Received 20 Oct, published by the council 21 Oct 2026 Advertising
• 26/07125/ADV Awaiting decision

  1 Upper St Martin's Lane London WC2H 9NY

  Display of 2 externally illuminated hanging signs each measuring 1.00m x 1.00m; 8 externally illuminated fascia signs each measuring 0.40m x 3.35m; 1 no. fanlight measuring 0.80m x 1.40m

  19 Oct 2026 Advertising