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Planning application

21 Claremont Avenue, Harrow, HA3 0UH

Granted Brent 25/3110 Prior Approval - Large householder

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4.00m Maximum height - 3.00m Eaves height - 3.00m

As published by the council, reference 25/3110

Application record

Reference
25/3110
Type
Prior Approval - Large householder
Status
Decided
Decision
Granted As published: Prior approval is not required
Received
5 Nov 2025
Validated
5 Nov 2025
Decided
1 Dec 2025
Ward
Kenton
Decision by
Delegated Team Manager
Postcode
HA3 0UH

Timeline

Dates from the published record

  1. 5 Nov 2025

    Received by Brent

  2. 1 Dec 2025

    Decision issued: Prior approval is not required

  3. 11 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Tech Engineering (UK) Ltd. Agent, an engineering consultancy registered in Ilford

Active · incorporated 2007 · Ilford

53 applications on PlanIndex · across 12 councils · 69% granted

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Documents

Plans, drawings, consultee responses and the officer's report

11 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Brent granted permission on 1 December 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 15 Claremont Avenue, Harrow, HA3 0UH

    23/0396 Submitted 6 Feb 2023 50 yards away

    Proposed erection of a single-storey rear extension to dwellinghouse.

    Granted Householder Extension 8 docs
    Small domestic

  • Claremont High School, Claremont Avenue, Harrow, HA3 0UH

    21/2005 Submitted 28 May 2021 50 yards away

    Details pursuant to condition 11 (Construction Logistics Plan) of Full Planning Permission reference 19/1388 dated 12/04/2019 for Construction of an additional floodlit artificial grass sports pitch and cricket practice facility with incorporated batting cages, installation of 12 floodlights, erection of high boundary fences with associated gates, formation of pedestrian access stairs and ramp.

    Granted Conditions 8 docs

  • Claremont High School, Claremont Avenue, Harrow, HA3 0UH

    21/1988 Submitted 27 May 2021 50 yards away

    Details pursuant to condition 7 (Tree Protection Plan and Arboricultural Method Statement) of Full Planning Permission reference 19/1388 dated 12/04/2019 for Construction of an additional floodlit artificial grass sports pitch and cricket practice facility with incorporated batting cages, installation of 12 floodlights, erection of high boundary fences with associated gates, formation of pedestrian access stairs and ramp.

    Granted Conditions Trees 4 docs

  • 19 Claremont Avenue, Harrow, HA3 0UH

    20/3696 Submitted 12 Nov 2020 50 yards away

    Certificate of lawfulness for proposed single storey rear extension to dwellinghouse

    Granted Lawful development Extension 7 docs
    Small domestic

  • Claremont High School, Claremont Avenue, Harrow, HA3 0UH

    20/3019 Submitted 24 Sep 2020 50 yards away

    Retrospective planning permission for the replacement of pedestrian access gate on Chapman Crescent with a modern equivalent, weldmesh gate and gateposts.

    Granted Full applications 6 docs

  • 19 Claremont Avenue, Harrow, HA3 0UH

    20/3158 Submitted 1 Oct 2020 50 yards away

    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 - 3m

    Granted Prior approval Extension 6 docs
    Small domestic

In Brent

  • 26/1517 Granted

    36 Attewood Avenue, London, NW10 0HB

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 5m Maximum height - 3m Eaves height - 2.86m

    Received 15 Jun, published by the council 25 Jul 2026 Prior approval
  • 26/1153 Granted

    Bestway Cash & Carry, Abbey Road, London, NW10 7BW

    Prior approval for installation of roof mounted solar system comprising PV modules

    Received 6 May, published by the council 25 Jul 2026 Prior approval
  • 26/1231 Granted

    143 London Road, Wembley, HA9 7EU

    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 - 3.00m Eaves height - 3.00m

    Received 15 May, published by the council 25 Jul 2026 Prior approval
  • 26/1206 Granted

    54 Evelyn Avenue, London, NW9 0JH

    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 - 3.00m Eaves height - 2.80m

    Received 13 May, published by the council 25 Jul 2026 Prior approval
  • 26/1139 Refused

    7 Priory Close, Wembley, HA0 2SD

    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 - 3.43m Eaves height - 2.95m

    Received 6 May, published by the council 25 Jul 2026 Prior approval