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21 Duchy Road Barnet EN4 0HN

23/04204/HOUHouseholderApproved

Approved on 8 February 2024

Council decision: Granted With ConditionsDelegated (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

Part single storey, part two storey rear extension, single storey front extension and conversion of garage to habitable room with associated works

Received
28 December 2023
Decision level
Delegated (officer decision)
Public comments
1
Ward
Cockfosters
Agent
Capital Architectural Design
  1. Received28 Dec
  2. Validated4 Jan
  3. Consult.25 Jan
  4. Target27 Feb
  5. Decided8 Feb

Decided in 35 days (council typically 49)

About this application

This is a full planning application for a two storey rear extension at 21 Duchy Road Barnet EN4 0HN. Enfield has handled 1,569 applications of this type. This one was decided in 42 days, 7 days quicker 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.Planning something similar? See what gets approved on your street

Application details

Postcode
EN4 0HN
Application type
Householder
Scale / size
Small

Planning application dates

Date validated
4 January 2024
Consultation expiry
4 February 2024
Consultation start
4 January 2024
Consultation end
25 January 2024
Neighbour consultation start
11 January 2024
Neighbour consultation end
4 February 2024
Last date for comments
4 February 2024
Target decision date
27 February 2024
Permission expires
8 February 2029

Applicant and agent

Agent
Capital Architectural Design
Agent address
189 Cat Hill Barnet EN48HS

Planning decision

Statutory period
54 days

Additional information

Planning Portal ID
PP-12701327
Documents
11
Constraints
7

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 2: Medium probability (rivers and sea)Part of the site
  • Article 4 direction: Borough wide

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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