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99 Byewaters Croxley Green Watford Hertfordshire WD18 8WH

25/2182/FULApproved

Approved on 2 March 2026

Site boundary (council red line)

Proposal

Construction of single storey rear extension, garage conversion and loft conversion with side rooflights and windows to side elevation, relocation of entrance door

Received
17 December 2025
  1. Received17 Dec
  2. Validated17 Dec
  3. Consult.
  4. Target
  5. Decided2 Mar

Decided in 75 days

About this application

This is a planning application for a single storey rear extension at 99 Byewaters Croxley Green Watford Hertfordshire WD18 8WH. Three Rivers has handled 4,297 applications of this type. This one was decided in 75 days, 3 weeks longer than Three Rivers's typical decision time. There have been 2 other applications at this address. We hold 323 applications in total for the WD18 postcode area.

Application details

Postcode
WD18 8WH

Planning application dates

Date validated
17 December 2025

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: 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 2026-11-03. 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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