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Planning application

77860/APP/2023/404

73 MERTON AVENUE HILLINGDON UB10 9BL

Granted Hillingdon Full

Proposal

Erection of single storey outbuilding to rear and front porch extension (Application for a Certificate of Lawful Development for a Proposed Development)

As published by the council, reference 77860/APP/2023/404

Timeline

Dates from the published record

  1. 13 Feb 2023

    Received by Hillingdon

  2. 31 Mar 2023

    Decision issued: Permitted

  3. 3 Aug 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 169A RYEFIELD AVENUE HILLINGDON UB10 9DA

    Conversion of roof space into habitable use including a rear dormer and removal of chimney stacks.

    15 May 2026 425m away Full applications
  • 58 MERTON AVENUE HILLINGDON MIDDX UB10 9DL

    Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3.4 metres, and for which the height of the eaves would be 3 metres

    1 Jul 2021 455m away Full applications
  • 67 BERKELEY ROAD HILLINGDON UB10 9DY

    Conversion of roof space to habitable use to include a rear dormer with 3 front roof lights and proposed front porch (Application for a Certificate of Lawful Development for a Proposed Development).

    27 Jan 2023 496m away Full applications

In Hillingdon

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    Installation of two new transformer bays within the existing North Hyde Substation (National Grid 66kV compound).

    16 Jun 2026 Full applications
  • 9 LAWRENCE DRIVE ICKENHAM UB10 8RN

    Erection of single storey wrap-around extension comprising a rear extension and a side extension following demolition of the existing side garage,

    2 Jun 2026 Full applications
  • 90 WHITETHORN AVENUE YIEWSLEY UB7 8LA

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

    18 Jun 2026 Full applications
  • 46 HUNTERS GROVE HAYES UB3 3JE

    Erection of a single storey rear extension.

    5 Jun 2026 Full applications
  • UNION WHARF BENTINCK ROAD WEST DRAYTON MIDDLESEX UB7 7RP

    Replacement of external materials from spandrel panels to non-combustible alternative (aluminium spandrel panels, replacement of two timber soffits at rear to non-combustible material.

    2 Apr 2026 Full applications