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Chesterfield Windmill Lane Barnet EN5 3HX

25/4816/HSEHouseholder ApplicationRefused
Householder

Refused on 29 January 2026

Council decision: RefuseDelegated (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 side extension with balcony above. Enclosure of existing ground floor side veranda and first floor side balcony. Single storey rear extension with green roof and associated glass balustrade. Enclosure of first floor front balcony. Side and rear extensions to existing garage including addition of a pitched roof with 4no. rooflights and front and rear gable windows to provide a workshop at first floor level, following demolition of shed

Received
2 December 2025
Decision level
Delegated (officer decision)
Ward
High Barnet
  1. Received2 Dec
  2. Validated5 Dec
  3. Consult.
  4. Target30 Jan
  5. Decided29 Jan

Decided in 55 days (council typically 56)

About this application

This is a full planning application for demolition at Chesterfield Windmill Lane Barnet EN5 3HX. Barnet has handled 4,516 applications of this type. This one was decided in 58 days. There has been 1 other application at this address. In the past year there have been 231 applications across High Barnet. We hold 3,740 applications in total for the EN5 postcode area.

77% of full 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
EN5 3HX
Application type
Householder Application
Scale / size
Small

Planning application dates

Date validated
5 December 2025
Consultation expiry
1 January 2026
Target decision date
30 January 2026

Applicant and agent

Agent
Buildplans
Architect profile
BUILDPLANS LIMITED
Agent address
Merryfields Star Corner Colerne SN14 8DG

Planning decision

Statutory period
56 days

Publicity

Site notice start
11 December 2025
Site notice end
1 January 2026

Additional information

Planning Portal ID
PP-14531055
Comments
0
Documents
11

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
  • Tree Preservation Order: Ref TRE/BA/36Protected tree on or next to this site
  • Flood zone 1: Low probability (rivers and sea)
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.

Planning history at this site

6 other applications at this property, newest first.

  1. 2026
    6 Oct

    Submission of details of condition 9 (Written Scheme of Investigation (WSI)) pursuant to planning permission…

    ApprovedDischarge of conditions26/3604/CON
  2. 2026
    18 Jun

    Submission of details of condition 8 (Levels) pursuant to planning permission 26/0051/HSE

    ApprovedDischarge of conditions26/2293/CON
  3. 2026
    27 Apr

    Condition 9 Discharge – Chesterfield, Windmill Lane, EN5 3HX

    ApprovedDischarge of conditions26/1577/CON
  4. 2026
    2 Apr

    Chesterfield

    ApprovedDischarge of conditions26/1274/CON
  5. 2026
    7 Jan

    Single storey side extension with balcony above. Enclosure of existing ground floor side veranda and first…

    ApprovedHouseholder26/0051/HSE
  6. 2025
    5 Dec

    Roof extension involving rear dormer window and 5no. front facing rooflights

    ApprovedLawful development: Proposed use25/4889/192

Source: Barnet

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

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