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Planning application

9 Little Chester Street London SW1X 7AL

Awaiting decision Westminster 26/00916/ADFULL Approval of Details (Full PP)

Works: Loft or dormer Windows or glazing

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Details plans and elevations of all new external doors, windows and rooflights pursuant to condition 5 of planning permission dated 31 July 2024 (RN: 23/07308/FULL)

As published by the council, reference 26/00916/ADFULL

Application record

Reference
26/00916/ADFULL
Type
Approval of Details (Full PP)
Status
Pending
Received
13 Feb 2026
Validated
13 Feb 2026
Ward
Knightsbridge & Belgravia
Postcode
SW1X 7AL

Timeline

Dates from the published record

  1. 13 Feb 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 10 April 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 91 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Studio Three Architects Ltd Agent, an architecture practice registered in St Helens

Dissolved · incorporated 2003 · St Helens

9 applications on PlanIndex · across 4 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

5 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 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 119 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

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  • 23 Chester Street London SW1X 7BL

    25/06021/FULL Submitted 22 Aug 2025 50 yards away

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  • 24 Chester Street London SW1X 7BL

    26/00077/FULL Submitted 7 Jan 2026 50 yards away

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  • 24 Chester Street London SW1X 7BL

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    Decided Windows or glazing

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