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Planning application

213923PALHE

10 Harewood Avenue Northolt Middlesex UB5 5DE

Refused Old Oak and Park Royal Development Corporation Prior Approval - Larger Home Extension

Proposal

Single storey rear extension (max 6m deep and max 3.2m high) (following demolition of existing conservatory) (42 Days Prior Approval Notification Process)

As published by the council, reference 213923PALHE

Timeline

Dates from the published record

  1. 27 May 2021

    Received by Old Oak and Park Royal Development Corporation

  2. 1 Jul 2021

    Decision issued: Prior Approval Unlawful and Refused

  3. 3 Aug 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About prior approval applications

How this application type works

Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.

More on prior approval applications in our guide

Nearby applications

Within 500 metres

  • 213923PALHE Refused

    10 Harewood Avenue Northolt Middlesex UB5 5DE

    Single storey rear extension (max 6m deep and max 3.2m high) (following demolition of existing conservatory) (42 Days Prior Approval Notification Process)

    27 May 2021 0m away Prior approval
  • 261796CPL Granted

    26 Harewood Avenue Northolt UB5 5DE

    Alteration of roof from hip to gable end, two side roof extensions; removal of chimneys; installation of 1 rooflight (Lawful Development Certificate for a Proposed Development)

    30 Apr 2026 23m away Lawful development
  • 261738HH Granted

    26 Harewood Avenue Northolt UB5 5DE

    Single storey side extension; single storey side/rear wraparound extension; single storey rear garden garage (Following demolition of existing garage and chimney stack)

    27 Apr 2026 23m away Householder
  • 261738HH Granted

    26 Harewood Avenue Northolt UB5 5DE

    Single storey side extension; single storey side/rear wraparound extension; single storey rear garden garage (Following demolition of existing garage and chimney stack)

    27 Apr 2026 23m away Householder
  • 261796CPL Granted

    26 Harewood Avenue Northolt UB5 5DE

    Alteration of roof from hip to gable end, two side roof extensions; removal of chimneys; installation of 1 rooflight (Lawful Development Certificate for a Proposed Development)

    30 Apr 2026 23m away Lawful development
  • 261885CPL Refused

    37 Harewood Avenue Northolt UB5 5DB

    Alteration of roof from hip to gable ends (following removal of chimney breast); installation of three rooflights to front roofslope and installation of three rooflights to the rear roofslope.

    6 May 2026 117m away Lawful development

In Old Oak and Park Royal Development Corporation

  • 262618PALHE Refused

    243 Park Avenue Southall UB1 3AP

    Single storey rear extension (max 6m deep and max 3m high) (42 Days Prior Approval Notification Process)

    30 Jun 2026 Prior approval
  • 262457PALHE Granted

    27 Hunt Road Southall UB2 4PZ

    Single storey (max 6.00m deep and max 3.60m high) rear extension (following demolition of existing rear extension) (42 Days Prior Approval Notification Process)

    18 Jun 2026 Prior approval
  • 262463PALHE Granted

    25 Hunt Road Southall UB2 4PZ

    Single storey (Max 6m deep and Max 3.60m high) rear extension (42 days Prior Notification Process)

    18 Jun 2026 Prior approval
  • 262504PALHE Granted

    40 Clare Road Greenford UB6 0DF

    Single storey (Max 6m deep and Max 3m high) rear extension (42 days Prior Notification Process) following demolition of existing rear addition

    23 Jun 2026 Prior approval
  • 262464PALHE Granted

    42 Ruislip Road Greenford UB6 9QL

    Single storey (Max 6m deep and Max 3m high) rear extension (following demolition of existing rear extension (42 days Prior Notification Process)

    18 Jun 2026 Prior approval