142 Long Chaulden Hemel Hempstead Hertfordshire HP1 2JL
Approved on 11 September 2025
Council decision: Prior Approval Not RequiredDelegated (officer decision)
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
Single Storey rear extension measuring 5.00m deep with a maximum ridge height of 3.00m and maximum Eaves height of 3.00m
- Received
- 7 August 2025
- Decision level
- Delegated (officer decision)
- Council
- Dacorum Borough Council
- Ward
- Chaulden And Warners End
- ReceivedReceived7 Aug
- ValidatedValidated7 Aug
- Consult.Consultation1 Sep
- TargetTarget Date
- DecidedDecided11 Sep
Decided in 35 days (council typically 49)
About this application
This is an outline application for a single storey rear extension at 142 Long Chaulden Hemel Hempstead Hertfordshire HP1 2JL. Dacorum has handled 723 applications of this type. This one was decided in 35 days, 2 weeks quicker than Dacorum's typical decision time. There are no previous applications recorded at this address. In the past year there have been 56 applications across Chaulden And Warners End. We hold 1,540 applications in total for the HP1 postcode area.
89% of outline applications at Dacorum Borough 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
- HP1 2JL
- Application type
- Householder Prior Approval
- Scale / size
- Small
- Parish
- Hemel Hempstead (No Parish)
Planning application dates
- Date validated
- 7 August 2025
- Consultation expiry
- 1 September 2025
- Neighbour consultation start
- 11 August 2025
- Neighbour consultation end
- 1 September 2025
- Last date for comments
- 1 September 2025
Applicant and agent
- Agent
- studioCC
- Agent address
- 2 Crossways Hemel Hempstead Hertfordshire HP3 8PU United Kingdom
Site 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 2026-11-03. 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: Dacorum
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Around this site
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- J P Electrical LtdElectrician0.2 mi
- P & D Electrical ContractorsElectrician0.2 mi
- Ohms and Watts (services) LtdElectrician0.2 mi
- PA Electrical (Herts) LtdElectrician0.3 mi
Planning something similar?
See what the council approved and refused for single-storey rear extensions on your street. Pick your home and get the evidence before you pay for drawings.