121 Marsham Street London SW1P 4LX

1. 4 Aug 2026

   Received by Westminster

2. 11 Aug 2026

   Added to PlanIndex

3. 18 Aug 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.

• Westminster Gardens Marsham Street London SW1P 4JA

  26/02055/TELNOT Submitted 10 Nov 2025 50 yards away

  Removal of 4no existing antennas, Installation of 6no new antennas. Other associated ancillary development including: Internal upgrade of existing equipment room. Removal of 10no existing ERS units to be replaced with 12no new ERS units

  Decided Telecoms 6 docs

• Flat 37 Maclise House Marsham Street London SW1P 4JJ

  25/09331/LBC Submitted 23 Dec 2025 50 yards away

  Internal alterations, including new openings, relocation of partition walls, and replacement floor.

  Granted Heritage and listed buildings 10 docs

• Maclise House Marsham Street London SW1P 4JJ

  25/09001/FULL Submitted 11 Dec 2025 50 yards away

  Installation of new gas riser and appropriate fittings.

  Refused Full applications 21 docs

• Maclise House Marsham Street London SW1P 4JJ

  26/03715/LBC Submitted 5 Jun 2026 50 yards away

  90% historically approved · decision due ~10 Aug

  Retention of gas riser on rear elevations at north-western end of building. (Linked with 26/03714/FULL)

  Awaiting decision Heritage and listed buildings 1 doc

• Maclise House Marsham Street London SW1P 4JJ

  26/03714/FULL Submitted 5 Jun 2026 50 yards away

  88% historically approved · decision due ~10 Aug

  Retention of gas riser on rear elevations at north-western end of building. (Linked with 26/03715/LBC)

  Awaiting decision Full applications 12 docs

• Marsham Court Marsham Street London SW1P 4JY

  26/02560/FULL Submitted 17 Apr 2026 50 yards away

  88% historically approved · decision due ~22 Jun

  Insertion of window openings, re-establishing windows, replacing an existing door with a new glazed door, replacing an existing window with a new window and door, inserting new brick to match existing brick, the provision of cast iron hopper and rainwater pipe, insertion of new roof lights, replacing the existing flat roof system and re-building cavity walls on the single-storey structure, and the removal of existing canopies and any other necessary and associated works.

  Awaiting decision Full applications Loft or dormer Roofing +1 14 docs
  Small domestic

• 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