150 Chaulden Lane Hemel Hempstead Hertfordshire HP1 2BT
Proposal
Rear facing dormer, side facing attic window and two front facing velux roof lights
- Received
- 18 August 2026
- Council
- Dacorum Borough Council
- ReceivedSubmitted18 Aug
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided
This is a planning application for a dormer extension at 150 Chaulden Lane Hemel Hempstead Hertfordshire HP1 2BT. Dacorum has handled 6,604 applications of this type and approves 92% of them, typically deciding them in 54 days. It was submitted on 18 August 2026 and is still awaiting a decision. There have been 3 other applications at this address. 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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Associated applications
- 202618 Aug
Rear facing dormer, side facing attic window and two front facing velux roof lights
This applicationApprovedApplication26/01800/LDP - 202618 Aug
Gable end loft conversion with a front facing dormer window and garden room/ gym to the rear garden
ApprovedApplicationFiled alongside26/01801/FHA
Planning history at this site
2 other applications at this property, newest first.
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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