48 Blanche Lane South Mimms Hertfordshire EN6 3PD
Approved on 3 July 2015
Council decision: Grant PermissionDelegated (officer decision)
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 and side extension.
- Received
- 1 May 2015
- Decision level
- Delegated (officer decision)
- Council
- Hertsmere Borough Council
- Ward
- Shenley
- ReceivedReceived1 May
- ValidatedValidated8 May
- Consult.Consultation27 Jul
- TargetTarget Date3 Jul
- DecidedDecided3 Jul
Decided in 56 days (council typically 56)
About this application
This is a full planning application for a side extension at 48 Blanche Lane South Mimms Hertfordshire EN6 3PD. Hertsmere has handled 1,861 applications of this type. This one was decided in 63 days, 7 days longer than Hertsmere's typical decision time. The site is in the South Mimms conservation area, with 3 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 124 applications across Shenley. 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 3PD
- Application type
- Householder Application
- Scale / size
- Small
- Parish
- South Mimms Parish Council
Planning application dates
- Date validated
- 8 May 2015
- Consultation expiry
- 27 July 2015
- Consultation start
- 6 July 2015
- Consultation end
- 27 July 2015
- Neighbour consultation start
- 11 May 2015
- Neighbour consultation end
- 1 June 2015
- Last date for comments
- 27 July 2015
- Target decision date
- 3 July 2015
- Permission expires
- 3 July 2018
Applicant and agent
- Agent
- David Williams
- Agent address
- 22 Broadleaf Avenue Bishops Stortford Hertfordshire CM234JY United Kingdom
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 21 May 2015
- Advertisement expiry
- 11 June 2015
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: South Mimms
- Green belt: Hertsmere
- Brownfield land register: 8 Hamilton Close, South Mimms, Potters Bar, EN6 3PGRegister site at or near this address
- 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 (19)
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 and heritage coasts.
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.
Associated applications
- 20168 Apr
Application for approval of details reserved by conditions 2 and 3 of planning ref: 15/0726/HSE
Condition DischargedDischarge of conditions16/0666/DOC - 20151 May
Single storey rear and side extension.
This applicationApprovedFull15/0726/HSE
Planning history at this site
2 other applications at this property, newest first.
- 201611 Apr
G1 CONIFERS to the rear. Reduce by 50%. G2 CONIFERS to the front. Lift the bottom branches to a height of 10…
ApprovedTree Works in Conservation Area (6 Week)16/0679/TRC - 20134 Oct
T1 CONIFER/LAWSON CYPRESS - fell and replant with 1x Prunus 10m from proposed extension; T2 PRUNUS/PURPLE…
ApprovedTree Works in Conservation Area (6 Week)13/2165/TRC
Source: Hertsmere
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Around this site
Nearby applications
- 48 Blanche Lane South Mimms Hertfordshire EN6 3PD16/0666/DOC · ConditionsApproved0.0 mi
- 48 Blanche Lane South Mimms Hertfordshire EN6 3PD13/2165/TRC · TreesApproved0.0 mi
- 50 Blanche Lane South Mimms Potters Bar EN6 3PD14/0095/HSE · FullApproved0.0 mi
- 8 Hamilton Close South Mimms Potters Bar Hertfordshire EN6 3PG21/1705/FUL · FullApproved0.0 mi
- 8 Hamilton Close South Mimms Hertfordshire EN6 3PG18/2097/FUL · FullRefused0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Belectrix LtdElectrician0.1 mi
- Allprop Property Maintenance LtdBuildersBathrooms0.3 mi
- Green Ohms Electrical Services ltdElectrician0.3 mi
- Delieu Electrical Services LtdElectrician0.4 mi
Planning something similar?
See what the council approved and refused for wrap-around (side and rear) extensions on your street. Pick your home and get the evidence before you pay for drawings.