47 Chester Square, SW1W 9EA

What is being proposed

Amendments to planning permission dated 11 June 2026 (25/08223/FULL) for: demolition of No 47 Ebury Mews and the erection of a two-storey replacement mews building with new basement level. Alterations and refurbishment to No. 47 Chester Square including demolition of modern rear additions, reinstatement of lower ground floor lightwell to the rear and extension of existing lower ground floor. Construction of ground floor link from 47 Chester Square to 47 Ebury Mews, consolidation of amenity courtyard at ground floor level, other internal and external works of refurbishment to 47 Chester Square namely, to allow alterations to link structure between the main house and mews design, and the rear roof profile to the main house. (Linked with 26/04756/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

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

Timeline

1. Received

   16 Jul 2026 · Submitted to the council

2. Validated

   16 Jul 2026 · Checked and published

3. Comments close

   Not yet · Last day to have your say

4. Decision due

   13 Aug 2026 · Target date, often slips

5. Decided

   Not yet · Outcome published

Key facts

Reference

26/04763/NMA

Authority

Westminster

Address

47 Chester Square, SW1W 9EA

Postcode

SW1W 9EA

Type

Extension or home alteration

Scale

Minor

Storeys

2

Applicant

Not published

Agent

Not published

Received

16 Jul 2026

Decision due

13 Aug 2026

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