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Planning application

20 Chesham Mews London SW1X 8HS

Granted Westminster 26/00500/ADFULL Approval of Details (Full PP)

Works: Windows or glazing

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Detailed drawings of the windows pursuant to Condition 4 of planning permission dated 30th May 2025 (RN 25/01883/FULL).

As published by the council, reference 26/00500/ADFULL

Application record

Reference
26/00500/ADFULL
Type
Approval of Details (Full PP)
Status
Decided
Decision
Granted As published: Application Permitted
Received
28 Jan 2026
Validated
28 Jan 2026
Decided
16 Mar 2026
Ward
Knightsbridge & Belgravia
Decision by
Delegated Decision
Postcode
SW1X 8HS

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025: 1 approved, 1 refused.

  • 25/08508/ADFULL Refused

    20 Chesham Mews London SW1X 8HS

    Details of new glazing bars and mouldings pursuant to condition 5 of planning permission dated 30 May 2025 (RN: 25/01883/FULL)

    Decided 20 Jan 2026 Full applications

Timeline

Dates from the published record

  1. 28 Jan 2026

    Received by Westminster

  2. 16 Mar 2026

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

9 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Westminster granted permission on 16 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

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