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12 Marlborough Avenue Edgware HA8 8UH

25/4254/PNHPrior Notification (Householder)Approved
Householder

Approved on 27 November 2025

Council decision: Prior Approval Not RequiredDelegated (officer decision)

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.

Proposal

Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.00m and eaves height of 2.70m

Received
24 October 2025
Decision level
Delegated (officer decision)
Ward
Edgwarebury
Agent
EA Town Planning Ltd
  1. Received24 Oct
  2. Validated24 Oct
  3. Consult.16 Nov
  4. Target5 Dec
  5. Decided27 Nov

Decided in 34 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 12 Marlborough Avenue Edgware HA8 8UH. Barnet has handled 2,167 applications of this type. This one was decided in 34 days, 3 weeks quicker than Barnet's typical decision time. There have been 2 other applications at this address. In the past year there have been 50 applications across Edgwarebury. We hold 1,449 applications in total for the HA8 postcode area.

75% of outline applications at London Borough of Barnet were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
HA8 8UH
Application type
Prior Notification (Householder)
Scale / size
Small

Planning application dates

Date validated
24 October 2025
Consultation expiry
16 November 2025
Neighbour consultation start
24 October 2025
Neighbour consultation end
16 November 2025
Target decision date
5 December 2025

Applicant and agent

Agent
EA Town Planning Ltd
Agent address
16 Francklyn Gardens Edgware HA8 8RY

Planning decision

Statutory period
42 days

Additional information

Planning Portal ID
PP-14433387
Comments
0
Documents
6

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© 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 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Planning history at this site

5 other applications at this property, newest first.

  1. 2026
    20 Oct

    Variation of condition 1 (Approved plans) pursuant to planning permission 26/3039/HSE

    PendingVariation of conditions (s73)26/3796/S73
  2. 2026
    19 Aug

    Part single, part two storey rear extension. First floor side extension. Roof extension involving side and…

    ApprovedHouseholder26/3039/HSE
  3. 2026
    29 May

    Removal and alteration of existing roof above existing two storey side (Phase 1). Roof extension involving…

    ApprovedProposed Lawful Development Certificate26/2009/192
  4. 2026
    18 Feb

    Roof extension involving side/rear wraparound dormer

    RefusedProposed Lawful Development Certificate26/0630/192
  5. 2025
    24 Oct

    Front porch extension including the relocation of the front door and new access steps. First floor side…

    ApprovedHouseholder25/4255/HSE

Source: Barnet

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

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