Planning application
31 Allandale Avenue London N3 3PY
Works: Extension Loft or dormer 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
Two storey side and rear extension with rear balcony with associated privacy screen and balustrade. Insertion of 3no. front facing rooflights
As published by the council, reference 26/1837/HSE
Application record
- Reference
- 26/1837/HSE
- Type
- Householder Application
- Status
- Pending Consideration
- Received
- 15 May 2026
- Validated
- 15 May 2026
- Ward
- Finchley Church End
- Postcode
- N3 3PY
Site history
Applications at this address on the Barnet register
This site has had 6 applications since 2025: 1 approved, 2 refused.
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26/2799/CON Decided
31 Allandale Avenue London N3 3PY
Submission of details of condition 7 (Levels) 8 (Excavation for services) 9 (Tree Protection & Method Statement) 10 (Details of Foundations) pursuant to planning permission 26/1837/HSE dated 07/07/2026
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26/1982/CON Awaiting decision
31 Allandale Avenue London N3 3PY
Submission of details of condition 7 (Levels) 8 (Excavation for Services) 9 (Tree Protection & Method Statement) 10 (Details of Foundations) pursuant to planning permission 26/0944/HSE dated 05/05/2026
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26/0944/HSE Granted
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.
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25/4892/192 Refused
31 Allandale Avenue London N3 3PY
Erection of a rear outbuilding
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25/4168/192 Refused
31 Allandale Avenue London N3 3PY
Erection of a rear outbuilding
Timeline
Dates from the published record
-
15 May 2026
Received by Barnet
-
25 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 10 July 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.
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
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26/2799/CON Decided
31 Allandale Avenue London N3 3PY
Submission of details of condition 7 (Levels) 8 (Excavation for services) 9 (Tree Protection & Method Statement) 10 (Details of Foundations) pursuant to planning permission 26/1837/HSE dated 07/07/2026
Who's behind it
Company information only, from the register and Companies House
henry planning ltd Agent, a planning consultancy registered in Barnet
Active · incorporated 2016 · Barnet
63 applications on PlanIndex · across 11 councils · 67% 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
18 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
-
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 -
31 Allandale Avenue London N3 3PY
95% historically approved · decision due ~23 Jul
Submission of details of condition 7 (Levels) 8 (Excavation for Services) 9 (Tree Protection & Method Statement) 10 (Details of Foundations) pursuant to planning permission 26/0944/HSE dated 05/05/2026
Awaiting decision Conditions Trees 7 docs -
-
-
31 Allandale Avenue London N3 3PY
79% historically approved · decision due ~23 Sep
Submission of details of condition 7 (Levels) 8 (Excavation for services) 9 (Tree Protection & Method Statement) 10 (Details of Foundations) pursuant to planning permission 26/1837/HSE dated 07/07/2026
Decided Trees -
1-12 Voysey Close London N3 3TR
2 x Dead Birch (applicants ref. Group 1) - Remove. Standing in Group G10 of Tree Preservation Order. 1 x Dead Robinia (applicants ref. T2) -Remove. Standing in Group G10 of Tree Preservation Order.
Decided Trees 4 docs
Other householder applications
In Barnet
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26/3396/HSE Awaiting decision
43 Dukes Avenue London N3 2DE
Single storey rear, part two storey side extension with 1no. rooflight following the demolition of existing shed. Roof extension with rear dormer window, 1no. front, 3no. side facing rooflights and roof windows to the front and side roof slopes. Installation of solar panels to side elevation of roof
-
26/3410/HSE Awaiting decision
54 Ferney Road Barnet EN4 8LE
Single storey rear extension with alteration to the raised terrace area including new access steps to garden
-
26/3385/HSE Awaiting decision
Three Gables Bungalow Boyne Avenue London NW4 2JL
Excavation of basement level with associated front and western lightwells. Single storey rear extensions with new patio area. Alterations to ground levels. Formation of first floor with new pitched gable roof with 2no. front and 2no. rear dormers and 2no. front facing, 2no side rooflights with associated hard and soft landscaping
-
26/3386/HSE Awaiting decision
9 Colin Gardens London NW9 6EL
Single storey rear extension with 1no. rooflight following demolition of the existing garage
-
26/3363/HSE Awaiting decision
125 Park Road Barnet EN4 9QN
Single storey side / rear extension including garage with 1no. roof lantern following the demolition of existing garage and front porch. Roof extension involving hip to gable on both sides with rear dormer window and 3no. front facing rooflights