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Yorkshire Water Services Knostrop Treatment Works Knowsthorpe Lane Cross Green Leeds LS9 0PJ

26/04594/FUPending Decision

Proposal

Erection of two polymer kiosks, two polymer storage tanks, and an extension to an existing motor control centre kiosk at Knostrop Wastewater Treatment Works

Received
14 August 2026
Public comments
0 · last counted 12 October 2026
Approximate location: the centre of the postcode, not the exact property.
  1. Received14 Aug
  2. Validated14 Aug
  3. Consult.
  4. Target
  5. Decided

This is a planning application for an extension at Yorkshire Water Services Knostrop Treatment Works Knowsthorpe Lane Cross Green Leeds LS9 0PJ. Leeds has handled 21,021 applications of this type and approves 86% of them, typically deciding them in 55 days. It was submitted on 14 August 2026 and is still awaiting a decision. The site is in a conservation area. There have been 2 other applications at this address. We hold 527 applications in total for the LS9 postcode area.

Application Details

Reference
26/04594/FU
Address
Yorkshire Water Services Knostrop Treatment Works Knowsthorpe Lane Cross Green Leeds LS9 0PJ
Postcode
LS9 0PJ
Local Authority
Leeds
Decision Status
Undecided
Current Status
Current

Applicant & Agent

Planning Application Dates

Date Validated
14 August 2026
Date Submitted
14 August 2026

Planning Decision

Publicity

Appeal

Additional Information

Documents
19
Coordinates
53.779540, -1.508762
Enriching application data
2/3
Council recordsAppealsFlood risk

Source: Leeds

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Planning constraints

Designations at the address point. Ones next to the site may also apply.

  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (24)

flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, 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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