55 Thellusson Way Mill End Rickmansworth Hertfordshire WD3 8RL
Proposal
Certificate of Lawfulness Proposed Development: Single storey rear extension and alterations to fenestration
- Received
- 24 November 2016
- Decided
- 16 January 2017 · approved
- 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.
- ReceivedSubmitted24 Nov
- ValidatedValidated24 Nov
- Consult.Consultation
- TargetTarget Date19 Jan
- DecidedDecided16 Jan
Decided in 53 days (council typically 56)
This is an outline application for a single storey rear extension at 55 Thellusson Way Mill End Rickmansworth Hertfordshire WD3 8RL. 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 53 days, 8 days longer than Three Rivers's median. There has been 1 other application 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
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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.
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