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11 Heddon Court Avenue Barnet EN4 9NE

26/01280/HOUHouseholderApproved

Approved on 2 June 2026

Delegated (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, rear dormer involving extension to roof, rooflights and front porch extension. (PART RETROSPECTIVE).

Received
30 March 2026
Decision level
Delegated (officer decision)
Ward
Cockfosters
Agent
PPLX Architects
  1. Received30 Mar
  2. Validated21 Apr
  3. Consult.22 May
  4. Target14 Jun
  5. Decided2 Jun

Decided in 42 days (council typically 49)

About this application

This is a full planning application for a single storey rear extension at 11 Heddon Court Avenue Barnet EN4 9NE. Enfield has handled 1,569 applications of this type. This one was decided in 64 days, 2 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.

72% of full 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.See what's approved near your address

Application details

Postcode
EN4 9NE
Application type
Householder
Scale / size
Small

Planning application dates

Date validated
21 April 2026
Consultation expiry
22 May 2026
Neighbour consultation start
28 April 2026
Neighbour consultation end
22 May 2026
Last date for comments
22 May 2026
Target decision date
14 June 2026

Applicant and agent

Agent
PPLX Architects
Agent address
58 Pine Grove Hatfield AL9 7BW United Kingdom

Planning decision

Statutory period
54 days

Additional information

Planning Portal ID
PP-14820563
Comments
0
Documents
12
Constraints
7

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Borough wide+1 more
  • 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.

Source: Enfield

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

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