21 Billy Lows Lane Potters Bar Hertfordshire EN6 1UU
Approved on 11 April 2024
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
Conversion of loft to habitable space with hip to gable roof alterations to include front and rear dormer, insertion of 1 x front, 2 x side and 3 x rear roof lights, and alterations to fenestration. (AMENDED PLANS RECEIVED: 11/04/2024 - size of front and rear dormer reduced).
- Received
- 22 January 2024
- Decision level
- Delegated (officer decision)
- Council
- Hertsmere Borough Council
- Ward
- Potters Bar Parkfield
- Agent
- JMB Design and build
- ReceivedReceived22 Jan
- ValidatedValidated23 Jan
- Consult.Consultation14 Feb
- TargetTarget Date12 Apr
- DecidedDecided11 Apr
Decided in 79 days (council typically 56)
About this application
This is a full planning application for a dormer extension at 21 Billy Lows Lane Potters Bar Hertfordshire EN6 1UU. Hertsmere has handled 1,861 applications of this type. This one was decided in 80 days, 3 weeks longer than Hertsmere's typical decision time. There are no previous applications recorded 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.
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 1UU
- Application type
- Householder Application
- Scale / size
- Medium
- Parish
- No Parish
Planning application dates
- Date validated
- 23 January 2024
- Consultation expiry
- 15 February 2024
- Consultation start
- 12 April 2024
- Consultation end
- 14 February 2024
- Neighbour consultation start
- 25 January 2024
- Neighbour consultation end
- 15 February 2024
- Last date for comments
- 15 February 2024
- Target decision date
- 12 April 2024
- Decision issued
- 12 April 2024
- Permission expires
- 12 April 2027
Applicant and agent
- Agent
- JMB Design and build
- Agent address
- 120 Dixons Hill Road Hertfordshire Welham Green AL9 7DN
Planning decision
- Statutory period
- 80 days
Site constraints
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.
© 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.
Source: Hertsmere
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Around this site
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For applicants and trades
Contractors near this project
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