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Planning application

57A Catherine Place London SW1E 6DY

Granted Westminster 25/06914/FULL Full Planning Permission Application

Works: Extension Loft or dormer Roofing Demolition Windows or glazing

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

Proposal

Replacement of the roof and front dormer; removal of the old roof access structure and creation of a new roof access; replacement of all windows; repositioning of four rear windows; demolition and reconstruction of part of the rear façade with matching bricks; removal of a rear window at basement level and replacement of an existing sliding door at basement level with a larger sliding door; extension of the rear ground floor balcony and removal of the first-floor balcony and installation of Air Source Heat Pumps and PV panels on the roof.

As published by the council, reference 25/06914/FULL

Application record

Reference
25/06914/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
25 Sep 2025
Validated
24 Oct 2025
Decided
28 May 2026
Ward
St James's
Decision by
Complex Delegated Decision
Postcode
SW1E 6DY

Timeline

Dates from the published record

  1. 25 Sep 2025

    Received by Westminster

  2. 24 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 28 May 2026

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

London Atelier Agent, registered in London

Active · incorporated 2010 · London

3 applications on PlanIndex · across 2 councils

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Documents

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

29 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.

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What this grant of permission means

Westminster granted permission on 28 May 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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