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Planning application

26/01136/FULL

9 Leinster Mews London W2 3EY

Granted Westminster Full Planning Permission Application

Proposal

Installation of metal railing at roof level for maintenance and cleaning.

As published by the council, reference 26/01136/FULL

Timeline

Dates from the published record

  1. 23 Feb 2026

    Received by Westminster

  2. 14 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 10 Jun 2026

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 26/01337/FULL Awaiting decision

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  • 26/01221/FULL Awaiting decision

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  • 25/08697/FULL Awaiting decision

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  • 26/03767/LBC Awaiting decision

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  • 26/03772/ADV Awaiting decision

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In Westminster

  • 26/04824/ADFULL Granted

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    20 Jul 2026 Full applications
  • 26/04829/ADFULL Granted

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    20 Jul 2026 Full applications
  • 26/04841/ADFULL Granted

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    Details of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 5 of planning permission dated 18th November 2025 (RN:25/06159).

    20 Jul 2026 Full applications
  • 26/04989/FULL Awaiting decision

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    24 Jul 2026 Full applications
  • 26/04986/FULL Awaiting decision

    Inver Court Inverness Terrace London W2 6JB

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    24 Jul 2026 Full applications