225 Darkes Lane Potters Bar Hertfordshire EN6 1BX

26/0023/FULFull Planning PermissionApproved

Full

Approved on 13 April 2026

Council decision: Grant PermissionDelegated (officer decision)8 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

Part single part two-storey rear extension, conversion of loft to habitable space to include insertion of 3x front roof lights and 1x rear roof light, and alterations to fenestration to include replacement of garage door with window, to allow for subdivision of dwelling to create 3x flats, including provision of parking, EV chargers, cycle/bin store, and amenity space (Amended plans received: 23.03.26 to include additional refuse provision)

Received: 7 January 2026
Decision level: Delegated (officer decision)
Public comments: 19
Council: Hertsmere Borough Council
Ward: Potters Bar Parkfield

ReceivedReceived7 Jan
ValidatedValidated7 Jan
Consult.Consultation5 Feb
TargetTarget Date30 Mar
DecidedDecided13 Apr

Decided in 96 days (council typically 56)

About this application

This is a full planning application for a two storey rear extension at 225 Darkes Lane Potters Bar Hertfordshire EN6 1BX. Hertsmere has handled 1,861 applications of this type. This one was decided in 96 days, 6 weeks longer than Hertsmere's typical decision time. The site is in 1 listed building nearby. There have been 9 other applications at this address. In the past year there have been 107 applications across Potters Bar Parkfield. We hold 3,353 applications in total for the EN6 postcode area.

90% of full applications at Hertsmere Borough Council 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.Planning something similar? See what gets approved on your street

Application details

Postcode: EN6 1BX
Application type: Full Planning Permission
Scale / size: Medium
Parish: No Parish

Planning application dates

Date validated: 7 January 2026
Consultation expiry: 10 April 2026
Consultation start: 14 April 2026
Consultation end: 5 February 2026
Neighbour consultation start: 14 April 2026
Neighbour consultation end: 10 April 2026
Last date for comments: 10 April 2026
Target decision date: 30 March 2026
Decision issued: 14 April 2026
Permission expires: 14 April 2029

Applicant and agent

Agent: Dimensions
Agent address: Unit 7 Hawthorn Business Park 165 Granville Road London NW2 2AZ

Planning decision

Statutory period: 82 days

Additional information

Planning Portal ID: PP-14576984
Documents: 15
Constraints: 7

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

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.

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

9 other applications at this property, newest first.

Source: Hertsmere

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