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Planning application

20/2554

10 Allonby Gardens, Wembley, HA9 8QX

Refused Brent Certificate of Lawfulness - Proposed

Proposal

Certificate of lawfulness for proposed extension to existing outbuilding in rear garden of dwellinghouse.

As published by the council, reference 20/2554

Timeline

Dates from the published record

  1. 20 Aug 2020

    Received by Brent

  2. 24 Aug 2020

    Validated

    Checked as complete and ready for consideration.

  3. 19 Oct 2020

    Decision issued: Certificate of Lawfulness - Refused

  4. 25 Jul 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 lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 20/3636 Granted

    10 Allonby Gardens, Wembley, HA9 8QX

    Demolition of existing side garage and proposed single storey extension to the existing outbuilding in the rear garden of the dwellinghouse

    9 Nov 2020 0m away Householder
  • 20/2524 Granted

    10 Allonby Gardens, Wembley, HA9 8QX

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 7.35m Maximum height - 2.62m Eaves height - 2.47m

    17 Aug 2020 0m away Prior approval
  • 20/2216 Granted

    13 Ennerdale Gardens, Wembley, HA9 8QY

    Proposed erection of single storey rear extension with associated extended rear patio to dwellinghouse

    25 Jul 2020 80m away Householder
  • 20/4319 Refused

    71 Montpelier Rise, Wembley, HA9 8RQ

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3.8m Eaves height - 2.8m

    30 Dec 2020 116m away Prior approval
  • 21/0457 Granted

    71 Montpelier Rise, Wembley, HA9 8RQ

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3.8m Eaves height - 2.8m

    9 Feb 2021 116m away Prior approval
  • 20/3146 Refused

    47 Windermere Avenue, Wembley, HA9 8QU

    Certificate of lawfulness for proposed demolition of existing outbuilding and erection of single storey outbuilding to dwellinghouse

    2 Oct 2020 135m away Lawful development

In Brent

  • 26/1465 Granted

    8 Roe Green, London, NW9 0NY

    Certificate of lawfulness for proposed hip to gable extension and rear dormer window with 3x front rooflights to the dwellinghouse.

    10 Jun 2026 Lawful development
  • 26/1370 Granted

    45 Holmstall Avenue, Edgware, HA8 5JQ

    Certificate of lawfulness for proposed use of dwellinghouse as a childrens' residential home

    1 Jun 2026 Lawful development
  • 26/1260 Granted

    18 Hartland Road, London, NW6 6BJ

    Certificate of lawfulness for proposed air source heat pump to rear of dwellinghouse

    18 May 2026 Lawful development
  • 26/1901 Awaiting decision

    176 Bridgewater Road, Wembley, HA0 1AR

    Certificate of lawfulness for proposed single-storey rear extension, rear dromer extension and 2x front rooflights to dwellinghouse.

    26 Jul 2026 Lawful development
  • 26/1353 Granted

    4 Hardinge Road, London, NW10 3PJ

    Certificate of lawfulness for proposed conversion of existing garage into a habitable room with replacement of garage door with window to side elevation and removal of ground floor side window of the dwellinghouse

    29 May 2026 Lawful development