17 Alston Road Hemel Hempstead HP1 1QU
Proposal
Part two storey, part single story side extension, addition of first floor rear extension and alterations to front elevation including Porch.
- Received
- 9 May 2016
- Decided
- 25 July 2016 · Grant Permission/Consent
- Decision level
- Delegated (officer decision)
- Council
- Dacorum Borough Council
- Ward
- Boxmoor
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.
- ReceivedSubmitted9 May
- ValidatedValidated12 May
- Consult.Consultation2 Jun
- TargetTarget Date30 Jun
- DecidedDecided25 Jul
Decided in 74 days (council typically 49)
This is a full planning application for a rear extension at 17 Alston Road Hemel Hempstead HP1 1QU. Dacorum has handled 2,979 applications of this type and approves 91% of them, typically deciding them in 55 days. This one was decided in 77 days, 3 weeks longer than Dacorum's median. There have been 2 other applications at this address. In the past year there have been 42 applications across Boxmoor. We hold 1,498 applications in total for the HP1 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Dacorum
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Planning history at this site
3 other applications at this property, newest first.
- 202125 Jan
Additional Environmental approval for Two storey side and rear extension and single storey side extension…
ApprovedAdditional Environmental Approval21/00280/AEA - 201618 Oct
Two storey side and rear extension and single storey side extension (amended scheme)
ApprovedHouseholder4/02837/16/FHA - 201525 Aug
Works to 8no. Pine trees
ApprovedWorks to Preserved Tree(s)4/03019/15/TPO
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: tree preservation orders. Ask the council if these matter.
Possibly incomplete for this council: Article 4 directions.
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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