20 Hall Close Mill End Rickmansworth Hertfordshire WD3 8US
Proposal
Prior Approval: Single storey rear extension (depth 5m, maximum height 3.35m and eaves height 2.66m)
- Received
- 16 March 2016
- Decided
- 13 April 2016 · no objection
- Decision level
- Delegated (officer decision)
- Ward
- Penn And Mill End
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.
- ReceivedSubmitted16 Mar
- ValidatedValidated16 Mar
- Consult.Consultation7 Apr
- TargetTarget Date27 Apr
- DecidedDecided13 Apr
Decided in 28 days (council typically 56)
This is an outline application for a single storey rear extension at 20 Hall Close Mill End Rickmansworth Hertfordshire WD3 8US. Three Rivers has handled 525 applications of this type and approves 91% of them, typically deciding them in 45 days. This one was decided in 28 days, 2 weeks quicker than Three Rivers's median. There are no previous applications recorded at this address. In the past year there have been 38 applications across Penn And Mill End. We hold 2,722 applications in total for the WD3 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Three Rivers
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near WD3
New planning applications delivered to your inbox weekly.
Planning history at this site
1 other application 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: Article 4 directions. Ask the council if these matter.
Possibly incomplete for this council: tree preservation orders.
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.
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.