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Planning application

9 Churton Place London SW1V 2LN

Refused Westminster 25/07726/FULL Full Planning Permission Application

Works: Extension Loft or dormer Windows or glazing

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Erection of a mansard roof extension to replace the existing butterfly roof, including the addition of dormer windows to the rear and front elevations and the installation of a roof light.

As published by the council, reference 25/07726/FULL

Application record

Reference
25/07726/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Refused As published: Application Refused
Received
24 Oct 2025
Validated
24 Oct 2025
Decided
23 Apr 2026
Ward
Pimlico North
Decision by
Committee Decision
Postcode
SW1V 2LN

Timeline

Dates from the published record

  1. 24 Oct 2025

    Received by Westminster

  2. 23 Apr 2026

    Decision issued: Application Refused

  3. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Lab Architects Ltd Agent, an architecture practice registered in London

Active · incorporated 2001 · London

10 applications on PlanIndex · across 5 councils

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Documents

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

25 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 refusal means

Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

Nearby applications

Within 0.3 miles

  • 12 Denbigh Street London SW1V 2ER

    25/09106/FULL Submitted 16 Dec 2025 50 yards away

    Erection of mansard roof extension and alterations to the front and rear elevations including changes to the windows and to rear closet wing.

    Granted Full applications Extension Loft or dormer +1 21 docs

  • 12 Denbigh Street London SW1V 2ER

    26/07028/ADFULL Submitted 14 Oct 2026 50 yards away

    89% historically approved · decision due ~30 Dec

    Samples of facing materials you will use, including glazing, and elevations and roof plans. Detailed of new dormers to be no wider or larger than the windows. Detailed drawings of doors, windows and dormers including key junctions; pursuant to condition 3, 4 and 5 of planning permission dated 20th March 2026 (25/09106/FULL)

    Awaiting decision Loft or dormer Windows or glazing

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    26/02676/FULL Submitted 22 Apr 2026 50 yards away

    88% historically approved · decision due ~17 Jun

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    Awaiting decision Full applications Windows or glazing 6 docs

  • 36A Tachbrook Street London SW1V 2JS

    26/02677/ADV Submitted 22 Apr 2026 50 yards away

    82% historically approved · decision due ~17 Jun

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    Awaiting decision Advertising 6 docs

  • 16 - 16A Churton Street London SW1V 2LL

    26/00975/ADFULL Submitted 16 Feb 2026 50 yards away

    Detailed design of exterior of the new roof extension and new dormers pursuant to Condition 4 (A and B) of planning permission dated 13 February 2026 (RN25/07509/FULL)

    Granted Full applications Extension Loft or dormer +1 13 docs

  • Basement And Ground Floor 16 Warwick Way London SW1V 1RX

    25/06385/FULL Submitted 8 Sep 2025 50 yards away

    Installation of kitchen extract duct at ground floor level with external discharge grill at basement level to rear services yard.

    Granted Full applications 21 docs

In Westminster

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    Received 5 Nov, published by the council 6 Nov 2026 Full applications
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    Received 3 Aug, published by the council 28 Aug 2026 Full applications
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    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

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    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

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    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications