21 Basildon Square Hemel Hempstead Hertfordshire HP2 6AS
Approved on 16 October 2026
Council decision: Grant Permission/ConsentDelegated (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 side extension
- Received
- 24 August 2026
- Decision level
- Delegated (officer decision)
- Public comments
- 4
- Council
- Dacorum Borough Council
- Ward
- Grovehill
- Agent
- Neo Architects
- ReceivedReceived24 Aug
- ValidatedValidated24 Aug
- Consult.Consultation
- TargetTarget Date
- DecidedDecided16 Oct
Decided in 53 days (council typically 49)
About this application
This is an outline application for a single storey side extension at 21 Basildon Square Hemel Hempstead Hertfordshire HP2 6AS. Dacorum has handled 723 applications of this type. This one was decided in 53 days, 4 days longer than Dacorum's typical decision time. There has been 1 other application at this address. In the past year there have been 14 applications across Grovehill. We hold 1,372 applications in total for the HP2 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.See what's approved near your address
Application details
- Postcode
- HP2 6AS
- Application type
- Lawful Development Certificate Proposed
- Scale / size
- Small
- Parish
- Hemel Hempstead (No Parish)
Planning application dates
- Date validated
- 24 August 2026
Applicant and agent
- Agent
- Neo Architects
- Architect profile
- NEO ARCHITECTS LTD
- Agent address
- 105A PARK ROAD NEW BARNET New Barnet BARNET EN4 9QR GB
Additional information
- Planning Portal ID
- PP-15173153
- Documents
- 9
- Constraints
- 16
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.
Planning history at this site
1 other application at this property, newest first.
Source: Dacorum
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near HP2
New planning applications delivered to your inbox daily.
Around this site
Nearby applications
- 193 Washington Avenue Hemel Hempstead Hertfordshire HP2 6BB25/02001/HPA · OutlineApproved0.1 mi
- 195 Washington Avenue Hemel Hempstead Hertfordshire HP2 6BB25/01078/LDP · OutlineApproved0.1 mi
- 24 Colne Way Hemel Hempstead Hertfordshire HP2 6EA26/02320/FHA · FullAwaiting decision0.2 mi
- 198 St Agnells Lane Hemel Hempstead Hertfordshire HP2 6EQ26/00381/RETApproved0.2 mi
- St Thomas Indian Orthodox Church St Agnells Lane Hemel Hempstead Hertfordshire HP2 7AY26/01321/DRC · ConditionsApproved0.2 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- M and M Glass LtdWindow & Door Installer0.3 mi
- Kingson Electrical LtdAlternative Power SuppliesCommercial & industrial electrical installations0.3 mi
- Principal ECS LtdElectrician0.4 mi
- NSS Painting & Decorating0.4 mi
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.
Get The Signal Report