Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA
Approved on 14 December 2023
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
Insertion of 2 x roof lights to approved side extension following consented schemes 23/0920/HSE and 23/0921/LBC. (Accompanying Listed Building Consent application under reference 23/1499/LBC).
- Received
- 20 October 2023
- Decision level
- Delegated (officer decision)
- Council
- Hertsmere Borough Council
- Ward
- Shenley
- Agent
- PBARC LTD
- ReceivedReceived20 Oct
- ValidatedValidated20 Oct
- Consult.Consultation16 Nov
- TargetTarget Date15 Dec
- DecidedDecided14 Dec
Decided in 55 days (council typically 56)
About this application
This is a full planning application for a side extension at Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA. Hertsmere has handled 1,861 applications of this type. This one was decided in 55 days. The site is in the South Mimms conservation area, with 1 listed building nearby. There have been 11 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 3PA
- Application type
- Householder Application
- Scale / size
- Small
- Parish
- The Parish Council South Mimms And Ridge
Planning application dates
- Date validated
- 20 October 2023
- Consultation expiry
- 1 December 2023
- Consultation start
- 15 December 2023
- Consultation end
- 16 November 2023
- Neighbour consultation start
- 26 October 2023
- Neighbour consultation end
- 16 November 2023
- Last date for comments
- 1 December 2023
- Target decision date
- 15 December 2023
- Decision issued
- 15 December 2023
- Permission expires
- 15 December 2026
Applicant and agent
- Agent
- PBARC LTD
- Architect profile
- PBARC LTD
- Agent address
- 25 Albany Gate Potters Bar Hertfordshire EN6 1DN
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 8 November 2023
- Advertisement expiry
- 29 November 2023
- Site notice start
- 10 November 2023
- Site notice end
- 1 December 2023
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 (19)
flood storage areas, 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.
Associated applications
- 202320 Oct
Insertion of 2 x roof lights to approved side extension following consented schemes 23/0920/HSE
This applicationApprovedListed building consent23/1498/HSE - 202320 Oct
Insertion of 2 x roof lights to approved side extension following consented schemes 23/0920/HSE
ApprovedListed building consentPart of23/1499/LBC - 202327 Jun
Amendments to approved side extension (under application reference 22/1631/LBC
ApprovedListed building consentPart of23/0921/LBC - 202326 Jun
Amendments to approved side extension (under application reference 22/1630/HSE
ApprovedListed building consentPart of23/0920/HSE
Planning history at this site
10 other applications at this property, newest first.
- 20268 Sep
Application for approval of details reserved by condition 3 (fenestration) of planning permission reference…
RefusedDischarge of conditions26/1302/DOC - 202320 Sep
Application for approval of details reserved by conditions 4 (external materials) and 7 (mortar mix) of…
Condition DischargedDischarge of conditions23/1312/DOC - 202331 May
Application for a non-material amendment to allow for alteration from curved edge (to side elevation) to…
WithdrawnNon-material amendment23/0801/MA - 20233 Feb
2no. ASH. Reduce by approximately 4m in height and 3m in width.
ApprovedTree Works in Conservation Area (6 Week)23/0183/TRC - 202222 Sep
Single storey side extension with green roof, alterations to fenestration at all elevations. Installation of…
ApprovedHouseholder22/1630/HSE - 202222 Sep
Single storey side extension with green roof, alterations to fenestration at all elevations. Installation of…
ApprovedListed building consent22/1631/LBC - 202226 Apr
Single storey side extension to include green roof, alterations to fenestration, solar panels to garage, and…
WithdrawnHouseholder22/0734/HSE - 202226 Apr
Single storey side extension to include green roof, alterations to fenestration, solar panels to garage, and…
WithdrawnListed building consent22/0735/LBC - 202125 Jan
Installation of access hatch to front elevation. (Application for Listed Building Consent).
WithdrawnListed building consent21/0161/LBC - 202014 Sep
Internal alterations to include new internal doors and additional en-suite facilities, and works to kitchen…
ApprovedListed building consent20/1412/LBC
Source: Hertsmere
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Around this site
Nearby applications
- Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA23/1499/LBC · HeritageApproved0.0 mi
- Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA23/0920/HSE · FullApproved0.0 mi
- Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA23/0921/LBC · HeritageApproved0.0 mi
- Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA23/1312/DOC · ConditionsApproved0.0 mi
- Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA23/0801/MA · AmendmentWithdrawn0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Belectrix LtdElectrician0.2 mi
- Allprop Property Maintenance LtdBuildersBathrooms0.4 mi
- Green Ohms Electrical Services ltdElectrician0.4 mi
- Delieu Electrical Services LtdElectrician0.4 mi
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