21 High Street Offley Hitchin Hertfordshire SG5 3AR
Approved on 16 March 2026
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
First floor side extension and single storey rear extension following demolition of side car port. Insertion of rear dormer and 2 no front rooflight to existing roofslope to facilitate loft conversion to habitable space. Alterations to fenestration (Amended plans received 12 March 2026)
- Received
- 23 December 2025
- Public comments
- 1
- Ward
- Offa Ward
- ReceivedReceived23 Dec
- ValidatedValidated23 Dec
- Consult.Consultation15 Jan
- TargetTarget Date20 Mar
- DecidedDecided16 Mar
Decided in 83 days (council typically 49)
About this application
This is a full planning application for demolition at 21 High Street Offley Hitchin Hertfordshire SG5 3AR. North Hertfordshire has handled 2,848 applications of this type. This one was decided in 83 days, 5 weeks longer than North Hertfordshire's typical decision time. The site is in the Great Offley conservation area, with 6 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 69 applications across Offa Ward. We hold 1,992 applications in total for the SG5 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
- SG5 3AR
- Application type
- Full Permission Householder
- Scale / size
- Medium
- Parish
- Offley Parish Council
Planning application dates
- Date validated
- 23 December 2025
- Consultation expiry
- 1 February 2026
- Consultation end
- 15 January 2026
- Neighbour consultation end
- 22 January 2026
- Last date for comments
- 1 February 2026
- Target decision date
- 20 March 2026
Applicant and agent
- Agent
- Mrs Helen Ball
- Agent address
- 30C High Street Welwyn Hertfordshire AL6 9EQ
Planning decision
- Statutory period
- 87 days
Publicity
- Advertisement expiry
- 31 January 2026
- Site notice end
- 1 February 2026
Additional information
- Planning Portal ID
- PP-14564404
- Documents
- 6
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Great Offley
- Green belt: North HertfordshireNext 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 (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.
Source: North Hertfordshire
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Around this site
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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.