55 Baker Street London W1U 8EW

This site has had 3 applications since 2025: 1 approved, 0 refused.

• 25/09006/ADV Awaiting decision

  55 Baker Street London W1U 8EW

  Display of internally illuminated other sign measuring 0.95m X 1.67m (Linked to 25/09005/FULL)

  Submitted 11 Dec 2025 Advertising
• 25/04398/FULL Granted

  55 Baker Street London W1U 8EW

  Refurbishment of the building including partial demolition and extension of upper levels to enlarge an existing mixed-use building comprising office (Class E(g)), gymnasium (Class E(d)) and retail/food and beverage (Class E(a)-(b)) with soft and hard landscaping, pedestrian and vehicle access, cycle parking, public realm, plant and other works associated with the development.

  Decided 11 Aug 2026 Full applications

1. 11 Dec 2025

   Received by Westminster

2. 20 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 5 February 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 66 days over the applications it decided in the last year.

• 25/09006/ADV Awaiting decision

  55 Baker Street London W1U 8EW

  Display of internally illuminated other sign measuring 0.95m X 1.67m (Linked to 25/09005/FULL)

  Submitted 11 Dec 2025 Advertising

1 later application on the register refers to this one:

• 25/09006/ADV Awaiting decision

  55 Baker Street London W1U 8EW

  Display of internally illuminated other sign measuring 0.95m X 1.67m (Linked to 25/09005/FULL)

  Submitted 11 Dec 2025 Advertising

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 91 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 55 Baker Street London W1U 8EW

  25/09006/ADV Submitted 11 Dec 2025 50 yards away

  84% historically approved · decision due ~5 Feb

  Display of internally illuminated other sign measuring 0.95m X 1.67m (Linked to 25/09005/FULL)

  Awaiting decision Advertising 2 docs

• Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London

  25/07925/ADFULL Submitted 31 Oct 2025 50 yards away

  Detailed site investigation pursuant to Condition 24 (Phases 2 & 3) of planning permission dated 4th April 2025 (RN: 22/08200/FULL)

  Granted Full applications 14 docs

• Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London

  25/05167/NMA Submitted 24 Jul 2025 50 yards away

  93% historically approved · decision due ~18 Sep

  Amendments to planning permission dated 4th April 2025 (RN: 22/08200/FULL) for, 'Demolition of the existing buildings and redevelopment above a retained basement to create a mixed-use scheme providing Class E commercial space (retail, restaurants, offices), a community space, and 17 residential units within a new building consisting of ground plus 7 storeys plus rooftop amenity for the commercial, and ground plus 7 storeys for the residential element, improvements to the public realm and pedestrian routes around the perimeter of the Site and along Broadstone Place, consolidated servicing, ancillary plant and storage, cycle parking, and other associated works'; Namely, to amend the approved drawings to reflect façade amendments and internal reconfiguration.

  Awaiting decision Amendments Demolition 35 docs

• Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London

  26/00382/FULL Submitted 22 Jan 2026 50 yards away

  Removal and reinstatement of street trees to facilitate construction, and associated works.

  Withdrawn Full applications Trees 10 docs

• Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London

  26/00566/ADFULL Submitted 30 Jan 2026 50 yards away

  Details of mechanical ventilation systems pursuant to Condition 26 of planning permission dated 4 April (Ref: 22/08200/FULL)

  Granted Full applications 12 docs

• Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London

  26/00544/ADFULL Submitted 30 Jan 2026 50 yards away

  Details of whole life carbon assessment prior to commencement of any work on site including all works of deconstruction and demolition pursuant to Condition 33(a) of planning permission dated 04/04/2025 (RN: 22/08200/FULL).

  Granted Full applications Demolition 8 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06317/FULL Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications