85 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PE
Approved on 13 November 2002
Council decision: Grant Permission
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 rear extension.
- Received
- 18 September 2002
- Council
- Hertsmere Borough Council
- Ward
- Shenley
- ReceivedReceived18 Sep
- ValidatedValidated18 Sep
- Consult.Consultation
- TargetTarget Date13 Nov
- DecidedDecided13 Nov
Decided in 56 days (council typically 56)
About this application
This is a full planning application for a single storey rear extension at 85 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PE. Hertsmere has handled 1,861 applications of this type. This one was decided in 56 days. The site is in the South Mimms conservation area, with 3 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 124 applications across Shenley. We hold 3,350 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.See what's approved near your address
Application details
- Postcode
- EN6 3PE
- Application type
- Full Planning Permission
- Scale / size
- Small
Planning application dates
- Date validated
- 18 September 2002
- Consultation start
- 24 September 2002
- Target decision date
- 13 November 2002
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: South Mimms
- Green belt: Hertsmere
- 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 (20)
flood storage areas, listed buildings, 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
5 other applications at this property, newest first.
- 20236 Sep
2no ASH. Cut to groundlevel. CONIFER HEDGE. Remove.
ApprovedTree Works in Conservation Area (6 Week)23/1251/TRC - 202215 Aug
T1 CANADIAN PINE. Fell. T2 CANADIAN PINE. Fell. T3 SILVER BIRCH. T3 and T4 2no. ASH. Crown reduce by removing…
ApprovedTree Works in Conservation Area (6 Week)22/1403/TRC - 202014 Feb
Single storey rear extension with rooflights (Amended plans received 17/03/2020)
ApprovedHouseholder20/0212/HSE - 202014 Feb
Alterations to existing rear dormer to extend width and reduce the height.
ApprovedHouseholder20/0213/HSE - 200916 Oct
Extension to existing rear garage for storage purposes following removal of existing shed.
ApprovedHouseholderTP/09/1786
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
Nearby applications
- 85 Blanche Lane South Mimms Hertfordshire EN6 3PE20/0212/HSE · FullApproved0.0 mi
- 85 Blanche Lane South Mimms Potters Bar EN6 3PETP/09/1786 · FullApproved0.0 mi
- 85 Blanche Lane South Mimms Hertfordshire EN6 3PE20/0213/HSE · FullApproved0.0 mi
- 87 Blanche Lane South Mimms Potters Bar EN6 3PE14/1057/TRC · TreesApproved0.0 mi
- St Giles C Of E Primary School Blanche Lane South Mimms Hertfordshire EN6 3PE19/1432/FUL · FullWithdrawn0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Belectrix LtdElectrician0.2 mi
- Green Ohms Electrical Services ltdElectrician0.3 mi
- Delieu Electrical Services LtdElectrician0.3 mi
- Allprop Property Maintenance LtdBuildersBathrooms0.4 mi
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.
Get The Signal Report