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Thatches Loudwater Lane Loudwater Rickmansworth Hertfordshire WD3 4HY

26/0274/FULApproved

Approved on 17 April 2026

Site boundary (council red line)

Proposal

Part Retrospective: Construction of two storey side and rear extension incorporating a basement,roof extension to form storage including an additional dormer; removal of the rear chimney and alterations to fenestration

Received
19 February 2026
  1. Received19 Feb
  2. Validated24 Feb
  3. Consult.
  4. Target
  5. Decided17 Apr

Decided in 52 days

About this application

This is a planning application for a dormer extension at Thatches Loudwater Lane Loudwater Rickmansworth Hertfordshire WD3 4HY. Three Rivers has handled 4,305 applications of this type. This one was decided in 52 days, 4 days quicker than Three Rivers's typical decision time. The site is in the Outer Loudwater conservation area, with 1 listed building nearby. There have been 2 other applications at this address. We hold 2,818 applications in total for the WD3 postcode area.

Application details

Postcode
WD3 4HY

Planning application dates

Date validated
24 February 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Outer Loudwater
  • 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 (21)

flood storage 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: Three Rivers

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