Planning application
74 Mansfield Avenue Barnet EN4 8QF
Works: Extension Roofing Windows or glazing 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
First floor rear extension with juliette balcony and addition of two new windows openings. Reduction of ridge height of main roof of house to its original level
As published by the council, reference 26/0016/HSE
Application record
- Reference
- 26/0016/HSE
- Type
- Householder Application
- Status
- Pending Consideration
- Received
- 5 Jan 2026
- Validated
- 7 Jan 2026
- Ward
- East Barnet
- Postcode
- EN4 8QF
Site history
Applications at this address on the Barnet register
This site has had 2 applications since 2025.
-
25/4120/HSE Awaiting decision
74 Mansfield Avenue Barnet EN4 8QF
First floor rear extension with juliette balcony and addition of two new windows openings. Conversion of the existing garage into habitable room, insertion of window to replace the garage door
Timeline
Dates from the published record
-
5 Jan 2026
Received by Barnet
-
7 Jan 2026
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 4 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 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, an architecture practice
16 applications on PlanIndex · across 6 councils
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
-
74 Mansfield Avenue Barnet EN4 8QF
77% historically approved · decision due ~10 Dec
First floor rear extension with juliette balcony and addition of two new windows openings. Conversion of the existing garage into habitable room, insertion of window to replace the garage door
Awaiting decision Householder Extension Windows or glazing 10 docsDomestic -
7 Vernon Crescent Barnet EN4 8QG
77% historically approved · decision due ~17 Mar
Erection of a rear outbuilding
Awaiting decision Householder 4 docsSmall domestic -
180 Cat Hill Barnet EN4 8HU
Single storey rear extension with a proposed depth of 4.45 metres, maximum height of 3.0 metres and eaves height of 2.8 metres.
Granted Prior approval Extension 6 docsSmall domestic -
67 Mansfield Avenue Barnet EN4 8QE
1 x Hornbeam (applicants ref. T1) - Crown thin by 20%. Raise Crown an additional 0.5m from ground level making sure screening of shed is maintained. Reduce selected areas of the upper crown by pruning in the extraneous growth by approx 1m and lightly reduce any extraneous lateral growth to balance the light height reduction works. Do not reduce the whole tree as this would only encourage re-growth and change its natural shape. Remove dead wood. Standing in T22 of Tree Preservation Order.
Granted Trees 4 docsSmall domestic -
180 Cat Hill Barnet EN4 8HU
Single storey rear extension with a depth of 4.50 metres, maximum height of 3.40 metres and eaves height of 3.20 metres. Adjoining onto the existing extension.
Refused Prior approval Extension 6 docsSmall domestic -
180 Cat Hill Barnet EN4 8HU
Single storey side/rear extension (amended)
Granted Householder Extension 6 docsSmall 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.