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Planning application

76906/APP/2026/1254

184 HERLWYN AVENUE RUISLIP HA4 6HJ

Granted Hillingdon Full

Proposal

Erection of a single storey rear extension with patio to the rear.

As published by the council, reference 76906/APP/2026/1254

Timeline

Dates from the published record

  1. 20 May 2026

    Received by Hillingdon

  2. 15 Jul 2026

    Decision issued: Permitted

  3. 26 Jul 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

  • 184 HERLWYN AVENUE RUISLIP HA4 6HJ

    Erection of a single storey front extension and amendments to the fenestration, installation of side windows, following the demolition of existing front porch.

    28 May 2026 0m away Full applications
  • 9 ROXBURN WAY RUISLIP HA4 6HR

    Erection of a single storey rear extension, installation of Juliette balcony to rear dormer (retrospective), and erection of porch and application of render to external walls (proposed) (Part Retrospective planning application)

    21 Apr 2026 135m away Full applications
  • 77820/APP/2023/307 Withdrawn

    5 NORTHDOWN CLOSE RUISLIP HA4 6JY

    Retrospective application for the erection of a wooden pergola structure with roof and rear timber fencing

    1 Feb 2023 226m away Full applications
  • 232 WEST END ROAD RUISLIP HA4 6DX

    Installation of a vehicle crossover and parking space to front of property for disabled resident and alteration to boundary wall

    24 Jan 2023 251m away Full applications
  • 21356/APP/2023/688 Withdrawn

    254 & 256 WEST END ROAD RUISLIP HA4 6DX

    Erection of a first floor rear extension

    9 Mar 2023 251m away Full applications
  • 25 ROUNDWAYS RUISLIP HA4 6EA

    Erection of a single storey side and rear extension.

    7 Jul 2026 252m away Full applications

In Hillingdon

  • National Grid 66kV Compound NORTH HYDE GARDENS HAYES UB3 4QQ

    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