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Planning application

49 Heddon Court Avenue Barnet EN4 9NG

Awaiting decision Barnet 26/1431/HSE Householder Application

Works: Extension Domestic

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

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Lower ground and ground floor rear extension including formation of rear balcony with privacy screens and underneath storage and associated access steps to garden level

As published by the council, reference 26/1431/HSE

Application record

Reference
26/1431/HSE
Type
Householder Application
Status
Pending Consideration
Received
17 Apr 2026
Validated
20 Apr 2026
Ward
East Barnet
Postcode
EN4 9NG

Site history

Applications at this address on the Barnet register

This site has had 4 applications since 2026: 1 approved, 1 refused.

  • 26/0599/HSE Granted

    49 Heddon Court Avenue Barnet EN4 9NG

    Roof extension involving rear dormer window with juliette balcony, 1no front facing rooflight and new side gable window with retention of existing side pitched roof

    Decided 14 Apr 2026 Householder
  • 26/0548/HSE Refused

    49 Heddon Court Avenue Barnet EN4 9NG

    Lower ground and ground floor rear extension including formation of rear balcony with privacy screens and underneath storage and associated access steps to garden level

    Decided 10 Apr 2026 Householder
  • 26/0133/192 Awaiting decision

    49 Heddon Court Avenue Barnet EN4 9NG

    Removal of chimney on rear elevation and removal of pitched roof above existing two storey side extension (Phase 1) Roof extension involving hip to gable, rear dormer window with juliette balcony, 1no. front facing rooflight and side gable window (Phase 2 to commence when phase 1 completed) (AMENDED)

    Submitted 14 Jan 2026 Lawful development

Timeline

Dates from the published record

  1. 17 Apr 2026

    Received by Barnet

  2. 20 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 15 June 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Barnet took a median of 44 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Alan Cox Associates Ltd Agent, registered in Barnet

Active · incorporated 2008 · Barnet

45 applications on PlanIndex · across 4 councils · 71% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

10 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 49 Heddon Court Avenue Barnet EN4 9NG

    26/0133/192 Submitted 14 Jan 2026 50 yards away

    80% historically approved · decision due ~11 Mar

    Removal of chimney on rear elevation and removal of pitched roof above existing two storey side extension (Phase 1) Roof extension involving hip to gable, rear dormer window with juliette balcony, 1no. front facing rooflight and side gable window (Phase 2 to commence when phase 1 completed) (AMENDED)

    Awaiting decision Lawful development Extension Loft or dormer +1 10 docs

  • 49 Heddon Court Avenue Barnet EN4 9NG

    26/0599/HSE Submitted 17 Feb 2026 50 yards away

    Roof extension involving rear dormer window with juliette balcony, 1no front facing rooflight and new side gable window with retention of existing side pitched roof

    Granted Householder Extension Loft or dormer +1 10 docs
    Domestic

  • 49 Heddon Court Avenue Barnet EN4 9NG

    26/0548/HSE Submitted 12 Feb 2026 50 yards away

    Lower ground and ground floor rear extension including formation of rear balcony with privacy screens and underneath storage and associated access steps to garden level

    Refused Householder Extension 12 docs
    Domestic

  • 84 Heddon Court Avenue, Barnet, EN4 9NG

    22/02939/OA Submitted 22 Aug 2022 50 yards away

    Erection of a rear outbuilding

    Granted 1 doc

  • 92 Ashurst Road Barnet EN4 9LG

    26/1330/192 Submitted 10 Apr 2026 200 yards away

    80% historically approved · decision due ~5 Jun

    Phase 1: Removal and alteration to existing roof of existing two storey side extension. Phase 2: Roof extension involving hip to gable, rear dormer with Juliette balcony, 4no. front facing rooflights and new side gable window

    Awaiting decision Lawful development Extension Loft or dormer +1 10 docs

  • 59 Belmont Avenue Barnet EN4 9JS

    26/3305/192 Submitted 10 Sep 2026 200 yards away

    79% historically approved · decision due ~5 Nov

    New front porch

    Awaiting decision Extension
    Small domestic

In Barnet

  • 26/3422/HSE Awaiting decision

    Revelstroke 28 Totteridge Village London N20 8JN

    Construction of a swimming pool and associated hard and soft landscaping following demolition of the existing shed including new access steps. Alterations to the ground level. Replacement of an existing timber decking terrace with a paved terrace.

    18 Sep 2026 Householder
  • 26/3396/HSE Awaiting decision

    43 Dukes Avenue London N3 2DE

    Single storey rear, part two storey side extension with 1no. rooflight following the demolition of existing shed. Roof extension with rear dormer window, 1no. front, 3no. side facing rooflights and roof windows to the front and side roof slopes. Installation of solar panels to side elevation of roof

    17 Sep 2026 Householder
  • 26/3410/HSE Awaiting decision

    54 Ferney Road Barnet EN4 8LE

    Single storey rear extension with alteration to the raised terrace area including new access steps to garden

    17 Sep 2026 Householder
  • 26/3415/HSE Awaiting decision

    11 Downage London NW4 1AS

    Alterations and extensions to the roof including rear dormer window and the partial removal of the roof of the first floor rear extension, creation of a new crown roof over main roof and rear extension, 1no. front, 1no. side, 1no. rear facing rooflight and 1no. on crown roof

    Received 17 Sep, published by the council 18 Sep 2026 Householder
  • 26/3382/HSE Awaiting decision

    11 Layfield Crescent London NW4 3UJ

    Part single, part two storey rear extension with flat roof and 1no. skylight

    Received 16 Sep, published by the council 18 Sep 2026 Householder