35 Hornbeam Spring Knebworth Hertfordshire SG3 6AY
Approved on 23 April 2026
Council decision: Granted
Proposal
Insertion of side dormer to facilitate loft conversion
- Received
- 8 April 2026
- Ward
- Knebworth Ward
- ReceivedReceived8 Apr
- ValidatedValidated8 Apr
- Consult.Consultation
- TargetTarget Date
- DecidedDecided23 Apr
Decided in 15 days
About this application
This is a planning application for a loft conversion at 35 Hornbeam Spring Knebworth Hertfordshire SG3 6AY. North Hertfordshire has handled 6,871 applications of this type. This one was decided in 15 days, 5 weeks quicker than North Hertfordshire's typical decision time. There are no previous applications recorded 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 6AY
- Parish
- Knebworth Parish Council
Planning application dates
- Date validated
- 8 April 2026
Applicant and agent
- Applicant
- Private applicant
- Architect profile
- IONIC PLAN & DESIGN LIMITED
Planning decision
- Case officer
- William Thompson
Site constraints
Designations at the address point. Ones next to the site may also apply.
- 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 (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 2026-11-03. 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
- 27 Stockens Green Knebworth Hertfordshire SG3 6DQ26/00964/FPH · FullApproved0.1 mi
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For applicants and trades
Contractors near this project
Find contractors for loft conversions near this site- Robinz LtdElectrician0.0 mi
- Barnett Technical ServicesElectrician0.1 mi
- Avelex Electrical LtdElectrician0.2 mi
- MH Goldsmith & Sons LtdElectrician0.3 mi
Planning something similar?
See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.