Skip to content

17 Cotesmore Road Hemel Hempstead Hertfordshire HP1 2HJ

23/00511/HPAHouseholder Prior ApprovalApproved
Householder

Approved on 24 March 2023

Council decision: Prior Approval GrantedDelegated (officer decision)

Approximate site (title boundary)
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 4.5m deep with a maximum height of 3.41m and a maximum eaves height of 2.71m.

Received
24 February 2023
Decision level
Delegated (officer decision)
Public comments
1
Ward
Chaulden And Warners End
Agent
D2 Design Studio Limited
  1. Received24 Feb
  2. Validated24 Feb
  3. Consult.23 Mar
  4. Target
  5. Decided24 Mar

Decided in 28 days (council typically 49)

About this application

This is an outline application for a single storey rear extension at 17 Cotesmore Road Hemel Hempstead Hertfordshire HP1 2HJ. Dacorum has handled 723 applications of this type. This one was decided in 28 days, 3 weeks quicker than Dacorum's typical decision time. There are no previous applications recorded at this address. In the past year there have been 57 applications across Chaulden And Warners End. We hold 1,538 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.See what's approved near your address

Application details

Postcode
HP1 2HJ
Application type
Householder Prior Approval
Scale / size
Small

Planning application dates

Date validated
24 February 2023
Consultation expiry
23 March 2023
Neighbour consultation start
2 March 2023
Neighbour consultation end
23 March 2023
Last date for comments
23 March 2023

Applicant and agent

Agent
D2 Design Studio Limited
Architect profile
D2 DESIGN STUDIO LTD
Agent address
42 WATLING STREET Radlett Hertfordshire WD7 7NN United Kingdom

Additional information

Planning Portal ID
PP-11965768
Documents
4
Constraints
8

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near HP1

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

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