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Planning application

261531PALHE

45 Harewood Avenue Northolt UB5 5DD

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

Proposal

Single storey rear extension (following demolition of existing single storey rear extension) (max 6m deep and max 3m high) (42 Days Prior Approval Notification Process)

As published by the council, reference 261531PALHE

Timeline

Dates from the published record

  1. 10 Apr 2026

    Received by Old Oak and Park Royal Development Corporation

  2. 20 May 2026

    Decision issued: Prior Approval Not Required

  3. 27 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 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

  • 261646CPL Granted

    45 Harewood Avenue Northolt UB5 5DD

    Alteration of roof from hip to gable end; rear dormer roof extension incorporating Juliet balcony; installation of two rooflights to front roofslope; construction of a single storey detached rear garden outbuilding for use as (gym/shower room /storage), and associated internal and external alterations (Lawful Development Certificate for a Proposed Development)

    20 Apr 2026 46m away Lawful development
  • 261619PALHE Granted

    54 Harewood Avenue Northolt UB5 5DD

    Single storey (max 6.00m deep and max 3.98m high) rear extension (following demolition of garage and conservatory to rear) (42 Days Prior Approval Notification Process)

    16 Apr 2026 46m away Prior approval
  • 213522HH Withdrawn

    46 Harewood Avenue Northolt Middlesex UB5 5DD

    Single storey rear infill extension

    7 May 2021 67m away Householder
  • 213522HH Withdrawn

    46 Harewood Avenue Northolt Middlesex UB5 5DD

    Single storey rear infill extension

    7 May 2021 67m away Householder
  • 230004HH Granted

    8 Harewood Close Northolt UB5 5DF

    Single storey detached garden outbuilding for use as home office/gym/storage (following demolition of existing rear garage and storage)

    3 Jan 2023 112m away Householder
  • 230004HH Granted

    8 Harewood Close Northolt UB5 5DF

    Single storey detached garden outbuilding for use as home office/gym/storage (following demolition of existing rear garage and storage)

    3 Jan 2023 112m away Householder

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