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Planning application

9 Burton Mews London SW1W 9EP

Awaiting decision Westminster 26/03108/FULL Full Planning Permission Application

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

Proposal

Installation of air conditioning unit within acoustic enclosure on main roof.

As published by the council, reference 26/03108/FULL

Application record

Reference
26/03108/FULL
Type
Full Planning Permission Application
Status
Pending
Received
12 May 2026
Validated
16 Jun 2026
Ward
Knightsbridge & Belgravia
Postcode
SW1W 9EP

Timeline

Dates from the published record

  1. 12 May 2026

    Received by Westminster

  2. 16 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 11 August 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 66 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

HCS architecture Agent, an architecture practice

1 application on PlanIndex

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

18 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 91 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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