5 Earls Corner Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PF
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 form habitable space including rear dormer. Certificate of Lawful Development (Proposed).
- Received
- 3 August 2022
- Decision due
- 28 September 2022
- Council
- Hertsmere Borough Council
- Ward
- Shenley
- Agent
- Turquoise Noise Ltd
- ReceivedReceived3 Aug
- ValidatedValidated3 Aug
- Consult.Consultation
- TargetTarget Date28 Sep
- DecidedDecided
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About this application
This is an outline application for a dormer extension at 5 Earls Corner Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PF. Hertsmere has handled 952 applications of this type. It has been with the council since 3 August 2022 and is still awaiting a decision. The site is in the South Mimms conservation area, with 1 listed building nearby. There has been 1 other application 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.
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 3PF
- Application type
- Certificate Proposed Lawful Use/Dev
- Scale / size
- Small
- Parish
- South Mimms Parish Council
Planning application dates
- Date validated
- 3 August 2022
Applicant and agent
- Agent
- Turquoise Noise Ltd
- Architect profile
- TURQUOISE NOISE LTD
- Agent address
- Turquoise Noise Weltech Centre Ridgeway Welwyn Garden City AL7 2AA
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
2 other applications at this property, newest first.
Source: Hertsmere
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Around this site
Nearby applications
- 5 Earls Corner Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PF23/0194/HSE · FullApproved0.0 mi
- 5 Earls Corner Blanche Lane South Mimms Hertfordshire EN6 3PF19/0082/HSE · FullApproved0.0 mi
- 6 Earls Corner Blanche Lane South Mimms Hertfordshire EN6 3PF16/1045/HSE · FullApproved0.0 mi
- 6 Blanche Lane South Mimms Potters Bar EN6 3PA14/0969/HSE · FullApproved0.0 mi
- 12 Blanche Lane South Mimms Hertfordshire EN6 3PATP/05/0726 · FullRefused0.0 mi
For applicants and trades
Contractors near this project
Find contractors for loft conversions near this site- Belectrix LtdElectrician0.1 mi
- Allprop Property Maintenance LtdBuildersBathrooms0.3 mi
- Green Ohms Electrical Services ltdElectrician0.4 mi
- Delieu Electrical Services LtdElectrician0.5 mi
Planning something similar?
See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.