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Planning application

37 WIMBORNE AVENUE HAYES

Awaiting decision Hillingdon 27099/APP/2026/2444

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Erection of a part single part two storey rear extensions, a part single part two storey side extension, and a front porch

As published by the council, reference 27099/APP/2026/2444

Application record

Reference
27099/APP/2026/2444
Status
Undecided
Received
19 Oct 2026
Validated
19 Oct 2026

Site history

Applications at this address on the Hillingdon register

This site has had 4 applications since 2024: 2 approved, 1 refused.

  • 27099/APP/2026/1469 Refused

    37 WIMBORNE AVENUE HAYES

    Erection of a part single part two storey rear extension, a part single part two storey side extension, and a front porch.

    Decided 27 Jul 2026 Full applications
  • 27099/APP/2026/242 Granted

    37 WIMBORNE AVENUE HAYES

    Erection of part single storey, part double storey rear extension

    Decided 10 Apr 2026 Full applications
  • 27099/APP/2024/2710 Granted

    37 WIMBORNE AVENUE HAYES

    Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 2 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)

    Decided 5 Dec 2024 Full applications

Timeline

Dates from the published record

  1. 19 Oct 2026

    Received by Hillingdon

  2. 27 Oct 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 14 December 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.