159 Cranborne Crescent Potters Bar Hertfordshire EN6 3AF
Approved on 20 April 2026
Council decision: Grant Lawful Certificate (Proposed Dev)
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 to include hip to gable roof alterations, rear dormer, 2x front rooflights and alteration to fenestration. Certificate of Lawful Development (Proposed).
- Received
- 23 February 2026
- Council
- Hertsmere Borough Council
- Ward
- Potters Bar Furzefield
- Agent
- SURVEY DESIGN (HARROW) LTD
- ReceivedReceived23 Feb
- ValidatedValidated23 Feb
- Consult.Consultation
- TargetTarget Date20 Apr
- DecidedDecided20 Apr
Decided in 56 days (council typically 56)
About this application
This is an outline application for a dormer extension at 159 Cranborne Crescent Potters Bar Hertfordshire EN6 3AF. Hertsmere has handled 952 applications of this type. This one was decided in 56 days. There are no previous applications recorded at this address. In the past year there have been 96 applications across Potters Bar Furzefield. 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 3AF
- Application type
- Certificate Proposed Lawful Use/Dev
- Scale / size
- Small
- Parish
- No Parish
Planning application dates
- Date validated
- 23 February 2026
- Target decision date
- 20 April 2026
Applicant and agent
- Applicant
- Private applicant
- Agent
- SURVEY DESIGN (HARROW) LTD
- Architect profile
- SURVEY DESIGN (HARROW) LIMITED
- Agent address
- 93 Elm Drive North Harrow HA2 7BY
Planning decision
- Case officer
- Brian Kam
- Statutory period
- 56 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
Nearby applications
- 163 Cranborne Crescent Potters Bar Hertfordshire EN6 3AF23/1533/HSE · FullApproved0.0 mi
- 70 Cranborne Crescent Potters Bar Hertfordshire EN6 3AG24/1681/PD42 · OutlineAwaiting decision0.0 mi
- 29 Cranborne Crescent Potters Bar Hertfordshire EN6 3AD24/0619/CLP · OutlineApproved0.1 mi
- 115 Cranborne Road Potters Bar Hertfordshire EN6 3AQ26/0446/CLP · OutlineApproved0.1 mi
- Land Rear Of Oakfield Close Potters Bar Hertfordshire25/1218/FUL · FullRefused0.2 mi
For applicants and trades
Contractors near this project
Find contractors for loft conversions near this site- All In One Property Services London Ltd0.0 mi
- Indigo Electrics LtdElectrician0.2 mi
- NJW Installations LtdElectrician0.2 mi
- WarmwhiteWindow & Door Installer0.2 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.