25 Seymour Crescent Hemel Hempstead Hertfordshire HP2 5DS
Approved on 5 July 2022
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
Two storey front and side extension. Single storey rear extension
- Received
- 4 May 2022
- Decision level
- Delegated (officer decision)
- Council
- Dacorum Borough Council
- Ward
- Adeyfield West
- Agent
- 356 Architects Ltd
- ReceivedReceived4 May
- ValidatedValidated4 May
- Consult.Consultation30 May
- TargetTarget Date
- DecidedDecided5 Jul
Decided in 62 days (council typically 49)
About this application
This is a full planning application for a single storey rear extension at 25 Seymour Crescent Hemel Hempstead Hertfordshire HP2 5DS. Dacorum has handled 3,053 applications of this type. This one was decided in 62 days, 13 days longer than Dacorum's typical decision time. There are no previous applications recorded at this address. In the past year there have been 19 applications across Adeyfield West. We hold 1,372 applications in total for the HP2 postcode area.
92% of full 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
- HP2 5DS
- Application type
- Full Householder Application
- Scale / size
- Small
Planning application dates
- Date validated
- 4 May 2022
- Consultation expiry
- 30 May 2022
- Neighbour consultation start
- 9 May 2022
- Neighbour consultation end
- 30 May 2022
- Last date for comments
- 30 May 2022
Applicant and agent
- Agent
- 356 Architects Ltd
- Architect profile
- 356 ARCHITECTS LTD
- Agent address
- 172A High Street Stevenage SG1 3LL undefined
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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Planning something similar?
See what the council approved and refused for two-storey and first-floor extensions on your street. Pick your home and get the evidence before you pay for drawings.