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99 Byewaters Croxley Green Watford Hertfordshire WD18 8WH

25/2183/PDEPD - ExtensionsApproved
Outline / PiP

Approved on 18 February 2026

Delegated (officer decision)

Site boundary (council red line)

Proposal

Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.61 metres, maximum eaves height 2.76 metres)

Received
17 December 2025
Decision level
Delegated (officer decision)
Public comments
4
Ward
Dickinsons
  1. Received17 Dec
  2. Validated14 Jan
  3. Consult.9 Feb
  4. Target25 Feb
  5. Decided18 Feb

Decided in 35 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 99 Byewaters Croxley Green Watford Hertfordshire WD18 8WH. Three Rivers has handled 531 applications of this type. This one was decided in 63 days, 7 days longer than Three Rivers's typical decision time. There have been 2 other applications at this address. In the past year there have been 47 applications across Dickinsons. We hold 323 applications in total for the WD18 postcode area.

92% of outline applications at Three Rivers District Council were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
WD18 8WH
Application type
PD - Extensions
Scale / size
Small
Parish
Croxley Green Parish Council

Planning application dates

Date validated
14 January 2026
Consultation expiry
9 February 2026
Neighbour consultation end
9 February 2026
Target decision date
25 February 2026
Decision issued
19 February 2026

Applicant and agent

Agent address
Architects Corporation Ltd 1 Thornhill House 14 Upton Road Watford WD18 0JP

Planning decision

Statutory period
42 days

Additional information

Planning Portal ID
PP-14559725
Documents
11
Constraints
20

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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