Planning application
89 Avondale Avenue Barnet EN4 8NA
Works: Extension Small 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
Part single, part two storey side and rear extension. New front porch
As published by the council, reference 25/5135/HSE
Application record
- Reference
- 25/5135/HSE
- Type
- Householder Application
- Status
- Pending Consideration
- Received
- 22 Dec 2025
- Validated
- 22 Dec 2025
- Ward
- Brunswick Park
- Postcode
- EN4 8NA
Timeline
Dates from the published record
-
22 Dec 2025
Received by Barnet
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 16 February 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 43 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in Middlesex
23 applications on PlanIndex · across 5 councils · 78% 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
9 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 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 500 metres
-
81 Avondale Avenue Barnet EN4 8NA
Roof extension involving hip to gable, rear dormer window, 2no. front facing rooflights and new side gable window
Decided Lawful development Extension Loft or dormer +1 7 docs -
54 Derwent Avenue Barnet EN4 8LZ
79% historically approved · decision due ~7 Aug
Roof extension involving rear dormer window with juliette balcony
Awaiting decision Extension Loft or dormer +1 -
73 Derwent Avenue Barnet EN4 8LY
77% historically approved · decision due ~4 May
Single storey side extension
Awaiting decision Householder Extension 4 docsSmall domestic -
25 Grange Avenue Barnet EN4 8NJ
77% historically approved · decision due ~7 Jul
Part single, part two storey side and rear extensions with pitched roof, 2no. rooflights and new access steps to garden level
Awaiting decision Householder Extension Loft or dormer 6 docsDomestic -
42 Gallants Farm Road Barnet EN4 8ES
Variation of condition 1 (Approved Plans) of planning permission reference 24/2138/HSE dated 30/08/24 for 'Single storey side and rear extension with 4no rooflights, following demolition of the existing outrigger and shed.' Variation to include increasing the side extension by 1.2 metres to the front
Granted Conditions Extension Loft or dormer +1 10 docsSmall domestic -
38 Gallants Farm Road Barnet EN4 8ES
Installation of 2no. front, 2no. rear, 2no. side facing rooflights on main roof to enable use of loft as a habitable space
Decided Lawful development Loft or dormer 6 docs
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.