141 Harley Street London W1G 6BQ

This site has had 4 applications since 2026.

• 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)

  Submitted 16 Sep 2026 Full applications
• 26/06342/LBC Awaiting decision

  141 Harley Street London W1G 6BQ

  Installation of new sesame lift into existing front entrance steps. (Linked with 26/06341/FULL)

  Submitted 16 Sep 2026 Heritage and listed buildings
• 26/06290/LBC Awaiting decision

  141 Harley Street London W1G 6BQ

  Internal alterations and openings at basement, ground and first floors as well as the insertion of a platform lift within 143 from basement to first floors, the partial infilling of the rear basement area and other minor adjustments to plan form.

  Submitted 14 Sep 2026 Heritage and listed buildings

1. 16 Sep 2026

   Received by Westminster

2. 23 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 11 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 66 days over the applications it decided in the last year.

1 later application on the register refers to this one:

• 26/06342/LBC Awaiting decision

  141 Harley Street London W1G 6BQ

  Installation of new sesame lift into existing front entrance steps. (Linked with 26/06341/FULL)

  Submitted 16 Sep 2026 Heritage and listed buildings

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.

• 141 Harley Street London W1G 6BQ

  26/06290/LBC Submitted 14 Sep 2026 50 yards away

  90% historically approved · decision due ~9 Nov

  Internal alterations and openings at basement, ground and first floors as well as the insertion of a platform lift within 143 from basement to first floors, the partial infilling of the rear basement area and other minor adjustments to plan form.

  Awaiting decision Heritage and listed buildings

• 141 Harley Street London W1G 6BQ

  26/06340/FULL Submitted 16 Sep 2026 50 yards away

  87% historically approved · decision due ~11 Nov

  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)

  Awaiting decision Full applications Demolition

• 141 Harley Street London W1G 6BQ

  26/06342/LBC Submitted 16 Sep 2026 50 yards away

  90% historically approved · decision due ~11 Nov

  Installation of new sesame lift into existing front entrance steps. (Linked with 26/06341/FULL)

  Awaiting decision Heritage and listed buildings

• 33 Devonshire Mews West London W1G 6QF

  26/03461/ADFULL Submitted 27 May 2026 50 yards away

  87% historically approved · decision due ~29 Jul

  Details of sample of clear glass / sample of obscure glass for privacy screen pursuant to conditions 9 and 10 of planning permission dated 08 August 2023 (RN: 23/03331/FULL)

  Awaiting decision Full applications 5 docs

• 33 Devonshire Mews West London W1G 6QF

  26/03460/ADFULL Submitted 27 May 2026 50 yards away

  87% historically approved · decision due ~22 Jul

  Details of waste and recycling storage / sample of natural slate for roof pursuant to conditions 3 and 8 of planning permission dated 08 August 2023 (RN: 23/03331/FULL)

  Awaiting decision Full applications 5 docs

• 32 Devonshire Mews West London W1G 6QF

  26/03945/FULL Submitted 16 Jun 2026 50 yards away

  87% historically approved · decision due ~11 Aug

  New external render to the front elevation.

  Awaiting decision Full applications

• 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
• 26/06295/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