141 Harley Street, W1G 6BQ

What is being proposed

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)

Description as published by Westminster.

What this could mean for you

These are the effects a proposal like this most often raises. Each one is a material planning consideration, so each can form the basis of a comment.

• Daylight and overshadowing
• Noise and disturbance

Derived automatically from the proposal wording. Read the full application before relying on it.

Timeline

1. Received

   16 Sept 2026 · Submitted to the council

2. Validated

   16 Sept 2026 · Checked and published

3. Comments close

   Not yet · Last day to have your say

4. Decision due

   11 Nov 2026 · Target date, often slips

5. Decided

   Not yet · Outcome published

Key facts

Reference

26/06340/FULL

Authority

Westminster

Address

141 Harley Street, W1G 6BQ

Postcode

W1G 6BQ

Type

Conditions and amendments

Scale

Minor

Applicant

Not published

Agent

Not published

Received

16 Sept 2026

Decision due

11 Nov 2026

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