221 Icknield Way Letchworth Garden City Hertfordshire SG6 4TU
Approved on 25 November 2025
Council decision: Conditional ConsentDelegated (officer decision)5 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 side/rear extension, raise existing roof ridge height of main dwelling and existing garage and replace existing tiles and fascia boards, alterations to existing fenestration to include insertion of rooflights to existing side and additional rear roofslopes, following demolition of modern single storey element. Internal alterations.
- Received
- 16 September 2025
- Decision level
- Delegated (officer decision)
- Public comments
- 2
- Ward
- Letchworth Norton Ward
- ReceivedReceived16 Sep
- ValidatedValidated16 Sep
- Consult.Consultation11 Oct
- TargetTarget Date5 Dec
- DecidedDecided25 Nov
Decided in 70 days (council typically 49)
About this application
This is a heritage application for demolition at 221 Icknield Way Letchworth Garden City Hertfordshire SG6 4TU. North Hertfordshire has handled 345 applications of this type. This one was decided in 70 days, 3 weeks longer than North Hertfordshire's typical decision time. The site is in the Letchworth conservation area, with 3 listed buildings nearby. There have been 4 other applications 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.
93% of heritage 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 4TU
- Application type
- Listed Building Consent
- Scale / size
- Medium
- Parish
- Letchworth Garden City
Planning application dates
- Date validated
- 16 September 2025
- Consultation expiry
- 18 October 2025
- Consultation end
- 11 October 2025
- Last date for comments
- 18 October 2025
- Target decision date
- 5 December 2025
- Decision issued
- 26 November 2025
- Permission expires
- 26 November 2028
Applicant and agent
- Agent
- Mr Adam Grant
- Agent address
- 5 Croft Lane Letchworth Garden City SG6 1AS
Planning decision
- Statutory period
- 80 days
Publicity
- Advertisement expiry
- 18 October 2025
- Site notice end
- 18 October 2025
Additional information
- Planning Portal ID
- PP-14295234
- Documents
- 14
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Letchworth
- 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, 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.
Associated applications
- 202615 May
Details reserved by Condition 3 (Joinery Section Details) of Listed Building Consent application 25/02233/LBC
ApprovedDischarge of conditions26/01276/DOC - 202516 Sep
Two storey side/rear extension, raise existing roof ridge height of main dwelling and existing garage and…
ApprovedHouseholderFiled alongside25/02232/FPH - 202516 Sep
Two storey side/rear extension, raise existing roof ridge height of main dwelling and existing garage and…
This applicationConditional ConsentListed building consent25/02233/LBC
Planning history at this site
2 other applications at this property, newest first.
- 202615 May
Details reserved by Condition 3 (Joinery Section Details) for Listed Building Consent application 26/00483/LBC
ApprovedDischarge of conditions26/01277/DOC - 202620 Feb
Replace existing bathroom window (proposed Bedroom 4) with new timber, clear, double-glazed window and remove…
Conditional ConsentListed building consent26/00483/LBC
Source: North Hertfordshire
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Around this site
Nearby applications
- 221 Icknield Way Letchworth Garden City Hertfordshire SG6 4TU26/01276/DOC · ConditionsApproved0.0 mi
- 221 Icknield Way Letchworth Garden City Hertfordshire SG6 4TU25/02232/FPH · FullApproved0.0 mi
- 221 Icknield Way Letchworth Garden City Hertfordshire SG6 4TU26/00483/LBC · HeritageApproved0.0 mi
- 225 Icknield Way Letchworth Garden City Hertfordshire SG6 4TU25/00985/TCA · TreesApproved0.0 mi
- 10 The Quadrant Letchworth Garden City Hertfordshire SG6 4TY25/02668/FPH · FullApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Garden City Chimney ServicesSolid Fuel Heating0.1 mi
- First Garden Cities HomesRetrofit Assessor0.2 mi
- Dormakaba UK LimitedHardware and SealsDoor Closers0.2 mi
- Fortem Solutions LimitedExternal Wall Insulation0.2 mi
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