55 Baker Street London W1U 8EW

This site has had 4 applications since 2025: 1 approved, 0 refused.

• 26/05934/FULL Awaiting decision

  55 Baker Street London W1U 8EW

  Variation of Condition 1 of planning permission dated 11 August 2026 (Ref: 25/04398/FULL) for, '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'; Namely, to allow design amendments, including demolition and replacement of levels 7 and 8 and omission of approved level 8 gallery, infill extensions into the rear courtyard and internal atria, replacement of the atria roofs, relocation of rooftop plant, addition of green walls along firefighting cores, associated alterations to the upper level elevations, roofscape and terraces, reconfiguration of landscaping at ground floor and minor internal layout changes. (Application under Section 73 of the Act)

  Submitted 1 Sep 2026 Full applications
• 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 91 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 119 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

  26/05934/FULL Submitted 1 Sep 2026 50 yards away

  88% historically approved · decision due ~3 Dec

  Variation of Condition 1 of planning permission dated 11 August 2026 (Ref: 25/04398/FULL) for, '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'; Namely, to allow design amendments, including demolition and replacement of levels 7 and 8 and omission of approved level 8 gallery, infill extensions into the rear courtyard and internal atria, replacement of the atria roofs, relocation of rooftop plant, addition of green walls along firefighting cores, associated alterations to the upper level elevations, roofscape and terraces, reconfiguration of landscaping at ground floor and minor internal layout changes. (Application under Section 73 of the Act)

  Awaiting decision Full applications Extension Demolition

• 55 Baker Street London W1U 8EW

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

  82% 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

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications