345 Knightsfield Welwyn Garden City AL8 7NB
Proposal
Erection of a single storey rear infill extension, garage conversion, outbuilding conversion to study with raising of roof
- Received
- 15 January 2026
- Decided
- 13 April 2026 · Granted
- Decision level
- Delegated (officer decision)
- Ward
- Sherrards
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.
- ReceivedReceived15 Jan
- ValidatedValidated19 Jan
- Consult.Consultation16 Feb
- TargetTarget Date
- DecidedDecided13 Apr
Decided in 84 days
This is a planning application for a garage at 345 Knightsfield Welwyn Garden City AL8 7NB. Welwyn Hatfield has handled 5,297 applications of this type and approves 85% of them, typically deciding them in 56 days. This one was decided in 88 days, 5 weeks longer than Welwyn Hatfield's median. The site is in 1 listed building nearby. There has been 1 other application at this address. In the past year there have been 137 applications across Sherrards. We hold 1,375 applications in total for the AL8 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Welwyn Hatfield
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Associated applications
- 202615 Jan
Erection of a single storey rear infill extension, garage conversion, outbuilding conversion to study with…
This applicationApprovedApplication6/2026/0070/EM - 202615 Jan
Erection of a single storey rear infill extension, garage conversion, outbuilding conversion to study with…
ApprovedHouseholderFiled alongside6/2026/0073/HOUSE
Planning history at this site
1 other application at this property, newest first.
Planning 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 and tree preservation orders. Ask the council if these matter.
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 2026-10-09. 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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