Skip to content
PlanIndex Get alerts
Menu

Planning application

49 Heddon Court Avenue Barnet EN4 9NG

Granted Barnet 26/0599/HSE Householder Application

Works: Extension Loft or dormer Windows or glazing 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

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

As published by the council, reference 26/0599/HSE

Application record

Reference
26/0599/HSE
Type
Householder Application
Status
Approved subject to conditions
Decision
Granted As published: Approve subject to conditions
Received
17 Feb 2026
Validated
17 Feb 2026
Decided
14 Apr 2026
Ward
East Barnet
Decision by
Delegated Decision
Postcode
EN4 9NG

Site history

Applications at this address on the Barnet register

This site has had 4 applications since 2026: 2 approved, 1 refused.

  • 26/1431/HSE Granted

    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 15 Jun 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 Feb 2026

    Received by Barnet

  2. 14 Apr 2026

    Decision issued: Approve subject to conditions

  3. 10 Aug 2026

    Added to PlanIndex

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

53 applications on PlanIndex · across 5 councils · 76% 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 this grant of permission means

Barnet granted permission on 14 April 2026, 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 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

    26/1431/HSE Submitted 17 Apr 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

    Granted Householder Extension 13 docs
    Domestic

  • 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

    26/0548/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

  • 86 Ashurst Road Barnet EN4 9LG

    26/2443/HSE Submitted 26 Jun 2026 150 yards away

    77% historically approved · decision due ~24 Aug

    Single storey rear extension with new patio area. Conversion and extension of the existing garage into habitable room insertion of window to replace the garage door. New front porch

    Awaiting decision Householder Extension Windows or glazing 8 docs
    Small domestic

  • 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

In Barnet

  • 26/3853/HSE Awaiting decision

    30 Goldsmith Avenue London NW9 7HB

    Single storey rear extension following demolition of the existing extension

    23 Oct 2026 Householder
  • 26/3856/HSE Awaiting decision

    229 Hale Drive London NW7 3EH

    Single storey rear extension

    23 Oct 2026 Householder
  • 26/3827/HSE Awaiting decision

    43 Hermitage Lane London NW2 2HE

    Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

    22 Oct 2026 Householder
  • 26/3833/HSE Awaiting decision

    47 Holne Chase London N2 0QG

    Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates

    22 Oct 2026 Householder
  • 26/3841/HSE Awaiting decision

    Manor House West Heath Close London NW3 7NJ

    New metal framed pergola to upper ground floor rear terrace

    Received 22 Oct, published by the council 23 Oct 2026 Householder