Skip to content

225 Darkes Lane Potters Bar Hertfordshire EN6 1BX

26/0866/FULFull Planning PermissionApproved
Full

Approved on 18 August 2026

Council decision: Grant PermissionDelegated (officer decision)

Approximate location: the centre of the postcode, not the exact property.

Proposal

Construction of single storey rear extension to allow for subdivision of dwelling to create 3x flats, including provision of parking, EV chargers, cycle/bin store, and amenity space.

Received
23 June 2026
Decision level
Delegated (officer decision)
Public comments
13
Ward
Tonyrefail East
  1. Received23 Jun
  2. Validated2 Oct
  3. Consult.21 Jul
  4. Target18 Aug
  5. Decided18 Aug

About this application

This is a full planning application for a single 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 56 days. The site is in 1 listed building nearby. There have been 9 other applications at this address. In the past year there have been 1 application across Tonyrefail East. 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
Small
Parish
No Parish

Planning application dates

Date validated
2 October 2026
Consultation expiry
21 July 2026
Consultation start
19 August 2026
Consultation end
21 July 2026
Neighbour consultation start
19 August 2026
Neighbour consultation end
21 July 2026
Last date for comments
21 July 2026
Target decision date
18 August 2026
Permission expires
18 August 2029

Applicant and agent

Applicant
Private applicant
Agent
Dimensions
Agent address
Unit 7 Hawthorn Business Park 165 Granville Road London NW2 2AZ

Planning decision

Case officer
James Emery
Statutory period
56 days

Additional information

Planning Portal ID
PP-15030393
Documents
14
Constraints
7

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • 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.

© 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

9 other applications at this property, newest first.

  1. 2026
    5 Feb

    Conversion of garage to habitable room with window to replace garage door; conversion of loft to habitable…

    ApprovedCertificate Proposed Lawful Use/Dev26/0140/CLP
  2. 2026
    7 Jan

    Part single part two-storey rear extension, conversion of loft to habitable space to include insertion of 3x…

    ApprovedFull Planning Permission26/0023/FUL
  3. 2025
    19 Nov

    Part single, part two storey rear extension, single storey side extension, conversion of loft to habitable…

    RefusedCertificate Proposed Lawful Use/Dev25/1660/CLP
  4. 2025
    20 Jun

    Part single part two storey rear extension, conversion of loft to habitable space and 3x front/rear roof…

    ApprovedFull Planning Permission25/0922/FUL
  5. 2025
    1 May

    Single storey rear extension Depth: 6.00m, Height: 3.00m, Eaves: 3.00m.

    ApprovedPD- Prior Approval 42 day (Hsehold ext)25/0673/PD42
  6. 2025
    1 May

    Conversion of loft to habitable space including rear dormer and 3x front roof lights. Certificate of lawful…

    ApprovedCertificate Proposed Lawful Use/Dev25/0675/CLP

Source: Hertsmere

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near EN6

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

Consultants on this application

Planning something similar?

See what the council approved and refused for changes of use on your street. Pick your home and get the evidence before you pay for drawings.

See what gets approved on your streetBuying this property? Report on this address