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
• 26/06341/FULL Awaiting decision

  141 Harley Street London W1G 6BQ

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

  Submitted 16 Sep 2026 Full applications
• 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.

• 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)

  Submitted 16 Sep 2026 Full applications

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 94 days. More in our guide to how long planning decisions take.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. 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

  26/06341/FULL Submitted 16 Sep 2026 50 yards away

  87% historically approved · decision due ~11 Nov

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

  Awaiting decision Full applications

• 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

• 26/06330/LBC Awaiting decision

  First Floor And Second Floor Maisonette 8 - 10 Shepherd Street London W1J 7JE

  Repair and strengthening work to underside of first floor above passageway.

  Received 16 Sep, published by the council 23 Sep 2026 Heritage and listed buildings
• 26/06345/LBC Awaiting decision

  49 Grosvenor Street London W1K 3HP

  Internal fit out works

  Received 16 Sep, published by the council 23 Sep 2026 Heritage and listed buildings
• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Alterations to internal partitions, door openings, doors and floor finishes.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings