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Planning application

1 CROSSWAY RUISLIP

Awaiting decision Hillingdon 52829/APP/2026/426

Works: Extension Loft or dormer

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

Proposal

Erection of single story side extension, hip to gable roof conversion, and enlargement of rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)

As published by the council, reference 52829/APP/2026/426

Application record

Reference
52829/APP/2026/426
Status
Approval
Received
18 Feb 2026

Timeline

Dates from the published record

  1. 18 Feb 2026

    Received by Hillingdon

  2. 7 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 15 April 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Hillingdon took a median of 57 days over the applications it decided in the last year.

What happens while it is decided

This application is with Hillingdon for determination, against a statutory target of eight weeks. Over the last year Hillingdon's median decision took 57 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 Hillingdon's portal will say. Our guide explains the common types.