225 Darkes Lane Potters Bar Hertfordshire EN6 1BX

25/0675/CLPCertificate Proposed Lawful Use/DevApproved

Outline / PiP

Approved on 19 June 2025

Council decision: Grant Lawful Certificate (Proposed Dev)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

Conversion of loft to habitable space including rear dormer and 3x front roof lights. Certificate of lawful development (Proposed).

Received: 1 May 2025
Decision level: Delegated (officer decision)
Council: Hertsmere Borough Council
Ward: Potters Bar Parkfield
Agent: Dimensions- Planning&Architecture

ReceivedReceived1 May
ValidatedValidated1 May
Consult.Consultation
TargetTarget Date26 Jun
DecidedDecided19 Jun

Decided in 49 days (council typically 56)

About this application

This is an outline application for a dormer extension at 225 Darkes Lane Potters Bar Hertfordshire EN6 1BX. Hertsmere has handled 952 applications of this type. This one was decided in 49 days, 7 days quicker than Hertsmere's typical decision time. 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.

81% of outline 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: Certificate Proposed Lawful Use/Dev
Scale / size: Small
Parish: No Parish

Planning application dates

Date validated: 1 May 2025
Target decision date: 26 June 2025
Decision issued: 20 June 2025
Permission expires: 20 June 2028

Applicant and agent

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

Planning decision

Statutory period: 56 days

Additional information

Planning Portal ID: PP-13981789
Comments: 0
Documents: 5
Constraints: 6

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.

Associated applications

2025
1 May
Single storey rear extension Depth: 6.00m, Height: 3.00m, Eaves: 3.00m.
ApprovedPD- Prior Approval 42 day (Hsehold ext)Filed alongside25/0673/PD42
2025
1 May
Conversion of loft to habitable space including rear dormer and 3x front roof lights. Certificate of lawful…
This applicationApprovedOutline25/0675/CLP
2025
30 Apr
Part single, part two storey rear extension. Certificate of lawful development (Proposed).
ApprovedCertificate Proposed Lawful Use/DevFiled alongside25/0661/CLP
2025
29 Apr
Construction of single storey rear extension. Depth: 7.00m, Height: 3.00m, Eaves: 3.00m.
ApprovedPD- Prior Approval 42 day (Hsehold ext)Filed alongside25/0658/PD42
2025
29 Apr
Construction of single storey rear extension. Depth: 8.00m, Height: 3.00m, Eaves: 3.00m.
ApprovedPD- Prior Approval 42 day (Hsehold ext)Filed alongside25/0659/PD42

Planning history at this site

5 other applications at this property, newest first.

Source: Hertsmere

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