Planning application
141 Harley Street London W1G 6BQ
Works: Demolition
Relates to 26/06290/LBC
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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)
As published by the council, reference 26/06340/FULL
Application record
- Reference
- 26/06340/FULL
- Category
- Full applications
- Status
- Pending
- Received
- 16 Sep 2026
- Validated
- 16 Sep 2026
- Postcode
- W1G 6BQ
Site history
Applications at this address on the Westminster register
This site has had 4 applications since 2026.
-
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)
-
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)
-
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.
Timeline
Dates from the published record
-
16 Sep 2026
Received by Westminster
-
23 Sep 2026
Added to PlanIndex
-
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.
Related applications
Cases linked to this one on the register
-
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.
What happens while it is decided
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.
About full applications
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.
Nearby applications
Within 0.3 miles
-
141 Harley Street London W1G 6BQ
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
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 -
141 Harley Street London W1G 6BQ
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
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
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
87% historically approved · decision due ~11 Aug
New external render to the front elevation.
Awaiting decision Full applications
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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)
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