18 Upper Brook Street London W1K 7PU

This site has had 2 applications since 2025: 1 approved, 0 refused.

• 25/03221/FULL Granted

  18 Upper Brook Street London W1K 7PU

  Internal refurbishment of office space including installation of plant within enlarged enclosure at roof level, addition of cycle storage to lower ground floor, layout alterations, and new mechanical and electrical services.

  Decided 13 Feb 2026 Full applications

1. 1 May 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 26 June 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.

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.

• 25 Upper Brook Street London W1K 7PU

  17/04641/AD7 Submitted 25 May 2017 50 yards away

  Display for a temporary period of six months of a non-illuminated estate agent board attached to the railings in front of the building at street level and measuring 0.6m x 0.45m.

  Granted Advertising 5 docs

• 22 Upper Brook Street London W1K 7PT

  02/06749/LBC Submitted 22 Aug 2002 50 yards away

  Creation of doorway between reception lobby and front room at ground floor level.

  Granted Heritage and listed buildings 6 docs

• 24 Upper Brook Street London W1K 7PT

  21/06031/AD7 Submitted 1 Sep 2021 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6m x 0.45m.

  Granted Advertising 6 docs

• 24 Upper Brook Street London W1K 7PT

  04/05154/LBC Submitted 5 Jul 2004 50 yards away

  Repairs and replacement of architectural detailing in second floor front room following fire damage.

  Granted Heritage and listed buildings 6 docs

• 22 Upper Brook Street London W1K 7PT

  12/08088/ADLBC Submitted 8 Aug 2012 50 yards away

  Submission of details of joinery of doors, architraves and skirting boards to partially discharge condition 4 of listed building consent dated 3 July 2012 (RN: 12/05130)

  Granted Conditions 3 docs

• 24 Upper Brook Street London W1K 7PT

  07/08966/AD7 Submitted 15 Oct 2007 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6m x 0.45m.

  Granted Advertising 2 docs

• 26/06331/FULL Awaiting decision

  31G Nottingham Place London W1U 5LP

  Installation of a condenser within acoustic enclosure and metal railing on the rear flat roof at third-floor level.

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06328/FULL Awaiting decision

  Athena Court 2 Finchley Road London NW8 6DP

  Installation of a multifunctional communication Hub including defibrillator outside Athena Court. (Linked with 26/06329/ADV)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06340/FULL Awaiting decision

  141 Harley Street London W1G 6BQ

  Variation of Condition 1 of planning permission dated 22 December 2026 (RN: 16/05372/FULL) for: Demolition of mews buildings at 28 and 29 Devonshire Mews West and lower ground and ground floor link building at the rear of 141 Harley Street and the erection of new building to include a three storey basement to the rear of the site in connection with the use of the 141 Harley Street and the lower ground and ground floor of 143 Harley Street for Class D1 medical purposes; installation of a new passenger lift to the rear of 141 Harley Street and installation of plant. (Site includes excavation part way under the pavement of Devonshire Mews West and use swap with 126 Harley Street) namely, to allow creation of party wall openings at basement, ground and first floors; insertion of a platform lift within No. 143 from basement to first floors; partial infilling of the rear basement area; and other minor adjustments to plan form. (Linked with 26/06290/LBC)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06341/FULL Awaiting decision

  141 Harley Street London W1G 6BQ

  Installation of new sesame lift into existing front entrance steps. (Linked with 26/06342/LBC)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 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