14 Deards End Lane Knebworth Hertfordshire SG3 6NL
Proposal
Erection of two storey side extension following demolition of existing ground floor side extension
- Received
- 19 August 2026
- Decided
- 6 October 2026 · Conditional Permission
- Public comments
- 0 · last counted 15 October 2026
- Ward
- Knebworth Ward
- ReceivedSubmitted19 Aug
- ValidatedValidated19 Aug
- Consult.Consultation
- TargetTarget Date
- DecidedDecided6 Oct
Decided in 48 days
This is a planning application for demolition at 14 Deards End Lane Knebworth Hertfordshire SG3 6NL. North Hertfordshire has handled 6,650 applications of this type and approves 92% of them, typically deciding them in 50 days. This one was decided in 48 days. The site is in the Deard's End Lane, Knebworth conservation area, with 1 listed building nearby. There has been 1 other application at this address. In the past year there have been 78 applications across Knebworth Ward. We hold 140 applications in total for the SG3 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: North Hertfordshire
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Planning history at this site
1 other application at this property, newest first.
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Deard's End Lane, Knebworth
- 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 (21)
flood storage 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 2026-10-09. 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.
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