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 2016 (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 Decided

  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. (Linked to 26/06340/FULL)

  Submitted 14 Sep 2026 Heritage and listed buildings

1. 16 Sep 2026

   Received by Westminster

2. 23 Sep 2026

   Added to PlanIndex

3. 23 Oct 2026

   Status changed to Decided

   Previously Pending.

1 later application on the register refers to this one:

• 26/06342/LBC Decided

  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

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.

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. (Linked to 26/06340/FULL)

  Awaiting decision Heritage and listed buildings

• 141 Harley Street London W1G 6BQ

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

  88% historically approved · decision due ~11 Nov

  Variation of Condition 1 of planning permission dated 22 December 2016 (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)

  Decided Heritage and listed buildings

• 33 Devonshire Mews West London W1G 6QF

  26/06865/CLEUD Submitted 8 Oct 2026 50 yards away

  84% historically approved · decision due ~3 Dec

  Confirmation of lawful commencement of works in accordance with planning permission (RN 23/03331/FULL)

  Awaiting decision Lawful development

• 33 Devonshire Mews West London W1G 6QF

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

  88% 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

  88% 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

• 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