Planning application
49 Heddon Court Avenue Barnet EN4 9NG
Works: Extension 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
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
- Approved subject to conditions
- Decision
- Granted As published: Approve subject to conditions
- Received
- 17 Apr 2026
- Validated
- 20 Apr 2026
- Decided
- 15 Jun 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.
-
26/0599/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
-
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
-
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)
Timeline
Dates from the published record
-
17 Apr 2026
Received by Barnet
-
20 Apr 2026
Validated
Checked as complete and ready for consideration.
-
15 Jun 2026
Decision issued: Approve subject to conditions
-
25 Jul 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
13 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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Open the documentsWhat this grant of permission means
Barnet granted permission on 15 June 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
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
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 docsDomestic -
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
Refused Householder Extension 12 docsDomestic -
-
86 Ashurst Road Barnet EN4 9LG
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 docsSmall domestic -
92 Ashurst Road Barnet EN4 9LG
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
Other householder applications
In Barnet
-
26/3476/HSE Granted
116 Chase Way London N14 5DH
Single storey rear extension with 2no. rooflights. Changes to fenestration; new doors, 3no. new windows to rear elevation
-
26/4019/HSE Awaiting decision
38 Asmuns Hill London NW11 6ET
Replacement of windows with vacuum-glazed windows (excluding subframes) and new french doors to rear
-
26/4023/HSE Awaiting decision
61 Bullescroft Road Edgware HA8 8RN
Single storey front, side and rear wraparound extension incorporating porch following conversion of the existing garage, including window to replace garage door
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26/4015/HSE Awaiting decision
6 Raeburn Close London NW11 6UG
Alterations to the rear ground floor elevation, including replacement of the existing door and two windows with timber framed French doors and windows. Replacement of existing single glazed windows with new double glazed timber windows. Replacement of the existing rear patio doors with double glazed timber doors. Formation of a new rear patio. Addition of new bin storage at front
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26/4012/HSE Awaiting decision
59 Hendon Way London NW2 2LX
Two storey side and rear extension. New front porch