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Ashlea Dunny Lane Belsize Kings Langley Hertfordshire WD4 9DE

26/0164/FULApproved

Approved on 26 March 2026

Site boundary (council red line)

Proposal

Construction of single storey rear infill extension; extension to existing rear hipped roof to gable; front storm porch; conversion of garage into habitable accommodation; and alterations to fenestration

Received
3 February 2026
  1. Received3 Feb
  2. Validated4 Feb
  3. Consult.
  4. Target
  5. Decided26 Mar

Decided in 50 days

About this application

This is a planning application for a porch at Ashlea Dunny Lane Belsize Kings Langley Hertfordshire WD4 9DE. Three Rivers has handled 4,297 applications of this type. This one was decided in 50 days, 6 days quicker than Three Rivers's typical decision time. There has been 1 other application at this address. We hold 342 applications in total for the WD4 postcode area.

Application details

Postcode
WD4 9DE

Planning application dates

Date validated
4 February 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Green belt: Three Rivers
  • 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, conservation areas, listed buildings, 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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