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9, Heddon Court Avenue, EN4 9NE

25/04274/HOUHouseholder planning permissionApproved
Householder

Approved on 26 February 2026

2 conditions

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 side and rear extension, remove side chimney.

Submitted
17 December 2025
  1. Received17 Dec
  2. Validated
  3. Consult.
  4. Target
  5. Decided26 Feb

Decided in 71 days (council typically 49)

About this application

This is a planning application for a rear extension at 9, Heddon Court Avenue, EN4 9NE. Enfield has handled 985 applications of this type. This one was decided in 71 days, 3 weeks longer than Enfield's typical decision time. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 150 applications across Cockfosters. We hold 892 applications in total for the EN4 postcode area.

83% of householder planning permission applications at London Borough of Enfield were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
EN4 9NE
Application type
Householder planning permission

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Borough wide
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, 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.

Associated applications

  1. 2026
    3 Mar

    Variation of condition 2 of approval 25/04274/HOU

    ApprovedVariation of conditions (s73)26/00827/VAR
  2. 2025
    17 Dec

    Single storey side and rear extension, remove side chimney.

    This applicationApprovedHouseholder25/04274/HOU

Source: Enfield

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

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