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Planning application

1 Kildare Terrace London W2 5JT

Awaiting decision Westminster 25/09104/FULL Full Planning Permission Application

Works: Extension 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

Construction of a mansard roof, a lower ground rear extension with roof terrace above (replacing the existing lower ground extension with roof terrace above), lowering the lower ground floor slab, the installation of an air source heat pump (ASHP) in the rear garden, new front boundary treatment, and new second floor window on north elevation.

As published by the council, reference 25/09104/FULL

Application record

Reference
25/09104/FULL
Type
Full Planning Permission Application
Status
Pending
Received
16 Dec 2025
Validated
12 Jan 2026
Ward
Bayswater
Postcode
W2 5JT

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025.

  • 26/04989/FULL Decided

    1 Kildare Terrace London W2 5JT

    Erection of a mansard roof extending over the main house and side wing, replacement lower ground rear extension with roof terrace above, lowering of lower ground floor slab, installation of an air source heat pump in rear garden, new front boundary treatment, and new second floor window on the north elevation.

    Decided 29 Sep 2026 Full applications

Timeline

Dates from the published record

  1. 16 Dec 2025

    Received by Westminster

  2. 12 Jan 2026

    Validated

    Checked as complete and ready for consideration.

  3. 20 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 9 March 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

Maddox Planning Ltd Agent, a planning consultancy

119 applications on PlanIndex · across 22 councils · 89% granted

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Documents

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

17 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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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.

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