Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS
Approved
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
External wall insulation and timber boarding added to east wall. Front door design updated, bi-fold doors changed to 6 doors and addiotnal rooflight added to landing outside bedroom 6 (as Non-Material Amendment to Planning Permission 26/00817/FPH granted 03.06.2026)
- Received
- 2 September 2026
- Ward
- Knebworth Ward
- ReceivedReceived2 Sep
- ValidatedValidated2 Sep
- Consult.Consultation
- TargetTarget Date
- DecidedDecided
About this application
This is a planning application at Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS. North Hertfordshire has handled 6,871 applications of this type. It has been with the council since 2 September 2026 and is still awaiting a decision. The site is in the Old Knebworth conservation area, with 1 listed building nearby. There have been 3 other applications at this address. In the past year there have been 90 applications across Knebworth Ward. We hold 149 applications in total for the SG3 postcode area.
Application details
- Postcode
- SG3 6FS
- Parish
- Knebworth Parish Council
Planning application dates
- Date validated
- 2 September 2026
Applicant and agent
- Applicant
- Private applicant
- Architect profile
- HERTFORDSHIRE ARCHITECTS LTD
Planning decision
- Case officer
- Tabitha Kaye
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Old Knebworth
- Green belt: North Hertfordshire
- 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.
Associated applications
- 20262 Sep
External wall insulation and timber boarding added to east wall. Front door design updated, bi-fold doors…
This applicationApprovedNon-material amendment26/02210/NMA - 202627 Mar
Insertion of front bay window following removal of existing garage doors to facilitate garage conversion into…
ApprovedHouseholderPart of26/00817/FPH
Planning history at this site
2 other applications at this property, newest first.
Source: North Hertfordshire
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Around this site
Nearby applications
- Larch House Old Knebworth Lane Knebworth Hertfordshire SG3 6FS26/00817/FPH · FullApproved0.0 mi
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- Old School House Park Lane Old Knebworth Hertfordshire SG3 6PR24/02652/FP · FullRefused0.0 mi
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For applicants and trades
Contractors near this project
Find contractors for roofing near this site- Leyden Electrical Installations LtdElectrician0.2 mi
- I W L Contractors LtdElectrician0.6 mi
- Avelex Electrical LtdElectrician0.9 mi
- Barnett Technical ServicesElectrician0.9 mi
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