Planning application
49 Heddon Court Avenue Barnet EN4 9NG
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
- 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: 1 approved, 1 refused.
-
26/1431/HSE Awaiting decision
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
-
26/0548/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 Feb 2026
Received by Barnet
-
14 Apr 2026
Decision issued: Approve subject to conditions
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, registered in Barnet
42 applications on PlanIndex · across 4 councils · 73% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
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.
Trade members open them from here.
Open the documentsWhat 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 500 metres
-
49 Heddon Court Avenue Barnet EN4 9NG
77% historically approved · decision due ~15 Jun
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
Awaiting decision Householder Extension 10 docsDomestic -
49 Heddon Court Avenue Barnet EN4 9NG
79% 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
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 -
92 Ashurst Road Barnet EN4 9LG
79% 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 -
57 Belmont Avenue Barnet EN4 9JS
79% historically approved · decision due ~12 Oct
New front porch
Awaiting decision ExtensionSmall domestic -
59 Belmont Avenue Barnet EN4 9JS
79% historically approved · decision due ~13 Oct
New front porch
Awaiting decision ExtensionSmall domestic
Other householder applications
In Barnet
-
26/3249/HSE Awaiting decision
19 Rushdene Avenue Barnet EN4 8EN
New front vehicular access and hardstanding to provide off-street parking space. New retaining wall following demolition of the existing wall and raised planted beds
-
26/3235/HSE Awaiting decision
26 Mount Pleasant Barnet EN4 9HH
Replace existing flat roof at ground floor rear elevation with pitched roof and 2no. rooflights
-
26/3222/HSE Awaiting decision
46 Michleham Down London N12 7JN
Single storey side/rear extension with 3no. rooflights following demolition of the existing storage/utility structure. Changes to fenestration
-
26/3219/HSE Awaiting decision
53 Tudor Road Barnet EN5 5NW
First floor rear extension with front and rear rooflights. Roof extension over existing garage
-
26/3210/HSE Awaiting decision
47 Pattison Road London NW2 2HL
New front vehicular access to provide off-street parking. Removal of existing gate and shed, alterations to the existing front boundary wall and installation of close board fencing panels.