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Planning application

Heathrow Airport Limited, The Compass Centre, Nelson Road, Hounslow, Middlesex, TW6 2GW

Awaiting decision Slough SMI/2025/16 SMI Application

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

Proposal

Scoping consultation and notification of application by Heathrow Airport Limited (the applicant) for an Order granting Development Consent for the Heathrow Expansion (the proposed development)

As published by the council, reference SMI/2025/16

Application record

Reference
SMI/2025/16
Type
SMI Application
Status
Registered application
Received
3 Sep 2025
Validated
3 Sep 2025
Postcode
TW6 2GW

Timeline

Dates from the published record

  1. 3 Sep 2025

    Received by Slough

  2. 25 Jul 2026

    Added to PlanIndex

  3. 10 Sep 2026

    Status changed to Registered application

  4. Decision

    Awaiting decision

    Decision expected by 29 October 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Slough took a median of 56 days over the applications it decided in the last year.

Documents

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

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 Slough for determination, against a statutory target of eight weeks. Over the last year Slough's median decision took 56 days. More in our guide to how long planning decisions take.

About this record

The published feed does not state which type of application this is; the register entry on Slough's portal will say. Our guide explains the common types.

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