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Planning application

1 Sedgecombe Avenue, Harrow, HA3 0HW

Refused Brent 25/2926 Prior Approval - Large householder

Works: Extension Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4.5m Maximum height - 3.0m Eaves height -2.80m

As published by the council, reference 25/2926

Application record

Reference
25/2926
Type
Prior Approval - Large householder
Status
Decided
Decision
Prior approval is refused at submission
Received
15 Oct 2025
Validated
15 Oct 2025
Decided
22 Oct 2025
Ward
Kenton
Decision by
Delegated Team Manager
Postcode
HA3 0HW

Site history

Applications at this address on the Brent register

This site has had 3 applications since 2025: 1 approved, 2 refused.

  • 26/0458 Granted

    1 Sedgecombe Avenue, Harrow, HA3 0HW

    Proposed single storey rear extension to dwellinghouse.

    Decided 27 Apr 2026 Householder
  • 25/3193 Refused

    1 Sedgecombe Avenue, Harrow, HA3 0HW

    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

    Decided 19 Dec 2025 Prior approval

Timeline

Dates from the published record

  1. 15 Oct 2025

    Received by Brent

  2. 22 Oct 2025

    Decision issued: Prior approval is refused at submission

  3. 11 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, a design practice registered in Middlesex

66 applications on PlanIndex · across 17 councils · 83% granted

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Documents

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

4 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 refusal means

Brent refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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 500 metres

  • 45 Sedgecombe Avenue, Harrow, HA3 0HW

    21/2853 Submitted 23 Jul 2021 0m away

    Proposed conversion of garage into a workshop, construction of two storey side extension and single storey rear extension, hip to gable loft conversion with a rear dormer window and extraction of chimney stack to the dwellinghouse.

    Granted Householder Extension Loft or dormer +1 17 docs
    Small domestic

  • 7 Sedgecombe Avenue, Harrow, HA3 0HW

    21/0214 Submitted 22 Jan 2021 0m away

    Certificate of lawfulness for proposed hip to gable roof extension with rear facing dormer, 3 front rooflights, a Juliet balcony and a single storey outbuilding in rear garden of the dwellinghouse.

    Granted Lawful development Extension Loft or dormer 10 docs
    Small domestic

  • 1 Sedgecombe Avenue, Harrow, HA3 0HW

    25/3193 Submitted 14 Nov 2025 0m away

    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

    Refused Prior approval Extension 5 docs
    Small domestic

  • 1 Sedgecombe Avenue, Harrow, HA3 0HW

    26/0458 Submitted 23 Feb 2026 0m away

    Proposed single storey rear extension to dwellinghouse.

    Granted Householder Extension 7 docs
    Small domestic

  • 7 Sedgecombe Avenue, Harrow, HA3 0HW

    21/0215 Submitted 22 Jan 2021 0m away

    Demolition of attached side garage and erection of a single-storey side to rear extension to dwellinghouse (amended description)

    Granted Householder Extension Demolition 8 docs
    Small domestic

  • 8 Sedgecombe Avenue, Harrow, HA3 0HL

    21/1688 Submitted 7 May 2021 57m away

    Proposed single storey rear extension, pitched roof to existing rear extension, replacement of rear garden doors, erection of conservatory and canopy to rear, new wall and slope in rear garden of dwellinghouse

    Refused Householder 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

    15 Jun 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

    6 May 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

    15 May 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

    13 May 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

    6 May 2026 Prior approval