Planning application
28 Chessington Avenue London N3 3DP
Works: Extension Loft or dormer Windows or glazing 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 rear extension, following removal of the existing shed. Raising of existing lower flat roof to create large crown roof. Roof extension involving side and rear dormer window and 2no. front and 3no. side facing rooflights (AMENDED DESCRIPTION)
As published by the council, reference 26/0184/HSE
Application record
- Reference
- 26/0184/HSE
- Type
- Householder Application
- Status
- Pending Consideration
- Received
- 19 Jan 2026
- Validated
- 19 Jan 2026
- Ward
- Finchley Church End
- Postcode
- N3 3DP
Timeline
Dates from the published record
-
19 Jan 2026
Received by Barnet
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 16 March 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 42 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, registered in Stanmore
29 applications on PlanIndex · across 5 councils · 84% 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
4 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
The process from here
This application is with Barnet for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
-
Highview Chessington Avenue London N3 3DP
77% historically approved · decision due ~29 Sep
Lower ground floor rear extension to create a terrace to link main house accommodation to garden with rear external access steps and associated rear lightwells. Roof extension involving hip to gable with new mansard roof, with 4no. front facing, 3no rear facing rooflights
Awaiting decision Householder Extension Loft or dormerDomestic -
8 Allandale Avenue London N3 3PJ
57% historically approved · decision due ~16 Apr
Single storey rear extension with a proposed depth of 8.00m from original rear wall, maximum height of 3.00m and an eaves height of between 2.77m and 2.83m
Awaiting decision Prior approval Extension 7 docsSmall domestic -
8 Allandale Avenue London N3 3PJ
Single storey rear extension and pergola. Alterations to the existing terrace area. Changes to rear fenestration
Refused Householder Extension Windows or glazing 8 docsSmall domestic -
30 Fairholme Gardens London N3 3EB
77% historically approved · decision due ~23 Feb
Single storey rear extension with 2no. rooflights. Conversion of the existing garage into habitable room, insertion of window to replace the existing garage door
Awaiting decision Householder Extension Loft or dormer +1 8 docsSmall domestic -
30 Fairholme Gardens London N3 3EB
77% historically approved · decision due ~28 May
First floor rear extension. Changes to fenestration
Awaiting decision Householder Extension Windows or glazing 6 docsDomestic -
31 Allandale Avenue London N3 3PY
Two storey side and rear extension with rear balcony with associated privacy screen and balustrade. Insertion of 3no. front facing rooflights.
Granted Householder Extension Loft or dormer 18 docsDomestic
Other householder applications
In Barnet
-
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.
-
26/3211/HSE Awaiting decision
25 The Ridgeway London N11 3LG
Single storey rear extension with 3no. rooflights following the demolition of existing conservatory