4 Hawthorn Hill Letchworth Garden City Hertfordshire SG6 4HE
Approved on 5 August 2025
Council decision: Conditional PermissionDelegated (officer decision)4 conditions
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
Two storey rear extension with solar panels to roof. Installation of ground floor veranda to rear. Raise existing side elevation roof ridge height, insertion of rooflights and replace existing tiles to roof, and replace existing dormers with zinc mono-pitched dormers. Alterations to existing fenestration to include pushing back garage door to form a front elevation porch. Alterations to existing front garden layout. Installation of Air Source Heat Pump (as amended by plans received 31st July 2025).
- Received
- 4 June 2025
- Decision level
- Delegated (officer decision)
- Ward
- Letchworth Norton Ward
- ReceivedReceived4 Jun
- ValidatedValidated4 Jun
- Consult.Consultation28 Jun
- TargetTarget Date8 Aug
- DecidedDecided5 Aug
Decided in 62 days (council typically 49)
About this application
This is a full planning application for a two storey rear extension at 4 Hawthorn Hill Letchworth Garden City Hertfordshire SG6 4HE. North Hertfordshire has handled 2,848 applications of this type. This one was decided in 62 days, 13 days longer than North Hertfordshire's typical decision time. There are no previous applications recorded at this address. In the past year there have been 102 applications across Letchworth Norton Ward. We hold 910 applications in total for the SG6 postcode area.
92% of full applications at North Hertfordshire District Council were approved. Across all application types, the council typically decides in about 7 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
- SG6 4HE
- Application type
- Full Permission Householder
- Scale / size
- Medium
- Parish
- Letchworth Garden City
Planning application dates
- Date validated
- 4 June 2025
- Consultation expiry
- 5 July 2025
- Consultation end
- 28 June 2025
- Neighbour consultation end
- 5 July 2025
- Last date for comments
- 5 July 2025
- Target decision date
- 8 August 2025
- Permission expires
- 5 August 2028
Applicant and agent
- Agent
- Mr Adam Grant
- Agent address
- 5 Croft Lane Letchworth Garden City SG6 1AS
Planning decision
- Statutory period
- 65 days
Publicity
- Site notice end
- 5 July 2025
Site constraints
Designations that overlap or adjoin the site outline.
- Local nature reserve: Norton CommonNext to the site
- 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, 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, 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: North Hertfordshire
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Around this site
Nearby applications
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Fortem Solutions LimitedExternal Wall Insulation0.3 mi
- Dormakaba UK LimitedHardware and SealsDoor Closers0.3 mi
- Garden City Chimney ServicesSolid Fuel Heating0.4 mi
- First Garden Cities HomesRetrofit Assessor0.5 mi
Planning something similar?
See what the council approved and refused for two-storey and first-floor extensions on your street. Pick your home and get the evidence before you pay for drawings.