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Planning application

7 THORNHILL ROAD ICKENHAM

Awaiting decision Hillingdon 22596/APP/2025/2664

Works: Extension Loft or dormer Demolition Windows or glazing 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 part single, part double storey side and rear extension, single storey front porch and bay window extension following demolition of existing porch and bay windows, conversion of interior garage to habitable room with amendments to fenestrations, conversion of roof space to habitable use with roof extensions including crown roof formation, rooflights, and rear dormer (revised description 25.11.25)

As published by the council, reference 22596/APP/2025/2664

Application record

Reference
22596/APP/2025/2664
Status
Approval
Received
15 Oct 2025

Site history

Applications at this address on the Hillingdon register

This site has had 2 applications since 2025: 1 approved, 0 refused.

  • 7 THORNHILL ROAD ICKENHAM

    Erection of outbuilding to rear garden. (Application for a Certificate of Lawful Development for a Proposed Development)

    Decided 11 Feb 2026 Full applications

Timeline

Dates from the published record

  1. 15 Oct 2025

    Received by Hillingdon

  2. 7 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 10 December 2025, 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 58 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 58 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.