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Planning application

12 HEYTHROP DRIVE ICKENHAM MIDDLESEX UB10 8DT

Awaiting decision Hillingdon 72178/APP/2025/2559

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

Conversion of roof space to habitable use to include rear dormer with Juliette balcony, hip to gable extension, and 4 x front roof lights, 2 x rear roof lights (Application for Certificate of Lawful Development for a Proposed Development)

As published by the council, reference 72178/APP/2025/2559

Application record

Reference
72178/APP/2025/2559
Status
Approval
Received
3 Oct 2025
Postcode
UB10 8DT

Site history

Applications at this address on the Hillingdon register

This site has had 2 applications since 2025.

  • 72178/APP/2025/2561 Awaiting decision

    12 HEYTHROP DRIVE ICKENHAM MIDDLESEX UB10 8DT

    Conversion of internal garage to habitable use, addition of front window to new infill wall

    Submitted 3 Oct 2025

Timeline

Dates from the published record

  1. 3 Oct 2025

    Received by Hillingdon

  2. 7 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 28 November 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.

Nearby applications

Within 500 metres

  • 12 HEYTHROP DRIVE ICKENHAM MIDDLESEX UB10 8DT

    72178/APP/2025/2561 Submitted 3 Oct 2025 0m away

    86% historically approved · decision due ~28 Nov

    Conversion of internal garage to habitable use, addition of front window to new infill wall

    Awaiting decision Extension Windows or glazing

  • 6 WINDRUSH CLOSE ICKENHAM UB10 8EJ

    12560/TRE/2024/223 Submitted 1 Nov 2024 90m away

    To remove One Pine at T1 within TPO 740

    Refused Trees 3 docs

  • CARETAKERS HOUSE - 38 WARREN ROAD ICKENHAM UB10 8AD

    78789/APP/2024/1311 Submitted 16 May 2024 97m away

    Change of use of a residential property (Class C3) to an educational intervention centre (Class F1a)

    Withdrawn Full applications 6 docs

  • 38 WARREN ROAD ICKENHAM UB10 8AD

    78789/APP/2025/3196 Submitted 17 Dec 2025 97m away

    Existing use of the dwelling as service accommodation ancillary to Vyners School use (Use Class F1) (Application for a Certificate of Lawful Development for an Existing Use)

    Granted Full applications 11 docs
    Domestic

  • 11 GIBSON ROAD ICKENHAM UB10 8EN

    79810/TRE/2025/326 Submitted 1 Dec 2025 209m away

    TPO 1 W25 1x Oak in front garden to crown lift by 1m, thin the crown by 20% and reduce lower canopy by up to 1.5m. 1x Oak in rear garden to crown lift to 5m from ground level.

    Granted Trees 4 docs

  • 20 WARREN ROAD ICKENHAM UB10 8AA

    78580/APP/2025/2187 Submitted 13 Aug 2025 212m away

    Erection of part single storey, part two storey front, side and rear extensions, conversion of part of garage to habitable use, and amendments to fenestration.

    Withdrawn Full applications Extension Windows or glazing 11 docs
    Small domestic