12, Marlborough Avenue, HA8 8UH

26/3039/HSEHouseholder planning permissionPending Decision

Householder

Proposal

Part single, part two storey rear extension. First floor side extension. Roof extension involving side and rear wraparound dormer and side gable windows. New front porch with associated steps and railings

Received: 19 August 2026
Council: London Borough of Barnet

Approximate site (title boundary)

Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

ReceivedSubmitted19 Aug
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided

7 weeks typical decision time in Barnet82% of householder planning permission applications approved

This is a planning application for a two storey rear extension at 12, Marlborough Avenue, HA8 8UH. Barnet has handled 1,162 applications of this type and approves 82% of them, typically deciding them in 55 days. It was submitted on 19 August 2026 and is still awaiting a decision. There has been 1 other application at this address. In the past year there have been 50 applications across EY22. We hold 1,319 applications in total for the HA8 postcode area.

Application Details

Reference

26/3039/HSE

Address

12, Marlborough Avenue, HA8 8UH

Postcode

HA8 8UH

Local Authority

Barnet

Application Type

Householder planning permission

Decision Status

Undecided

Applicant & Agent

Planning Application Dates

Date Submitted

19 August 2026

Planning Decision

Publicity

Appeal

Additional Information

Coordinates

51.624120, -0.268911

Enriching application data

2/3

Council recordsAppealsFlood risk

Source: Barnet

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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Planning history at this site

4 other applications at this property, newest first.

Planning constraints

Designations that overlap or adjoin the site outline.

Article 4 direction: Article 4 Small Houses in Multiple Occupation (HMO) Area 1
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

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