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Planning application

26/0880

20 Forty Avenue, Wembley, HA9 8JP

Granted Brent Prior Approval - Large householder

Proposal

Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.86m Eaves height - 3.00m

As published by the council, reference 26/0880

Timeline

Dates from the published record

  1. 6 Apr 2026

    Received by Brent

  2. 11 May 2026

    Decision issued: Prior approval is not required

  3. 25 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

  • 26/0589 Refused

    20 Forty Avenue, Wembley, HA9 8JP

    Certificate of lawfulness for proposed single storey rear infill extension, rear dormer extension with dormer to rear outrigger, 2x front rooflights and installation of 2x windows to gable side elevation of the dwellinghouse.

    9 Mar 2026 0m away Lawful development
  • 20/3024 Granted

    30 Forty Avenue, Wembley, HA9 8JP

    Certificate of lawfulness for proposed hip to gable loft conversion with rear dormer window and installation of 3 x front facing rooflights to dwellinghouse

    24 Sep 2020 0m away Lawful development
  • 26/0812 Refused

    20 Forty Avenue, Wembley, HA9 8JP

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.86m Eaves height - 3.00m

    30 Mar 2026 0m away Prior approval
  • 20/4169 Granted

    32 Forty Avenue, Wembley, HA9 8JP

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 8m Maximum height - 3m Eaves height - 2.8m

    16 Dec 2020 0m away Prior approval
  • 20/2817 Withdrawn

    30 Forty Avenue, Wembley, HA9 8JP

    Proposed single storey rear infill extension to dwellinghouse

    10 Sep 2020 0m away Householder
  • 25/3156 Awaiting decision

    93 & 93A Oakington Avenue, Wembley, HA9 8HY

    Demolition of side extension and erection of single-storey rear extension and detached two-storey dwellinghouse adjacent to No. 93 Oakington Avenue with associated landscaping, sub-division of front & rear gardens and refuse storage

    11 Nov 2025 78m away Full applications

In Brent

  • 26/1949 Awaiting decision

    56 Coniston Gardens, London, NW9 0BB

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 3.80m Maximum height - 3.00m Eaves height - 2.80m

    31 Jul 2026 Prior approval
  • 26/1673 Granted

    8 Regent Close, Harrow, HA3 0SF

    Prior approval for a single-storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3.3m Eaves height - 2.5m

    1 Jul 2026 Prior approval
  • 26/1908 Awaiting decision

    98 Wakemans Hill Avenue, London, NW9 0UU

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.53m Eaves height - 3.00m

    27 Jul 2026 Prior approval
  • 26/1349 Granted

    38 St Johns Road, Wembley, HA9 7JQ

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3m Eaves height - 3m

    29 May 2026 Prior approval
  • 26/1629 Granted

    107 Maybank Avenue, Wembley, HA0 2TQ

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3m Eaves height - 2.9m

    29 Jun 2026 Prior approval