Skip to content

Southern Water Sewage Works Cinder Hill Lane Horsted Keynes Haywards Heath West Sussex RH17 7BD

DM/23/2288County MatterApproved

Approved on 26 October 2023

Council decision: No ObjectionDelegated (officer decision)

Proposal

A change of use of land to operational land to enable an extension of the wastewater treatment works; construction and operation of a Final Settlement Tank and associated above ground plant, equipment and areas of hardstanding within the extension area; a 2.4m high security fence around the extended area and an equipment kiosk.

Received
1 September 2023
Decision level
Delegated (officer decision)
Ward
Lindfield Rural And High Weald
  1. Received1 Sep
  2. Validated1 Sep
  3. Consult.
  4. Target13 Oct
  5. Decided26 Oct

Decided in 55 days (council typically 49)

About this application

This is a planning application for a change of use at Southern Water Sewage Works Cinder Hill Lane Horsted Keynes Haywards Heath West Sussex RH17 7BD. Mid Sussex has handled 63 applications of this type. This one was decided in 55 days, 6 days longer than Mid Sussex's typical decision time. There are no previous applications recorded at this address. In the past year there have been 134 applications across Lindfield Rural And High Weald. We hold 1,689 applications in total for the RH17 postcode area.

94% of all applications at Mid Sussex District Council were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
RH17 7BD
Application type
County Matter
Scale / size
Small
Parish
Horsted Keynes

Planning application dates

Date validated
1 September 2023
Target decision date
13 October 2023

Applicant and agent

Agent address
Arcadis 2nd Floor, Tempus Court Onslow Street Guildford GU1 4SS

Planning decision

Statutory period
42 days

Additional information

Documents
28

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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

  • Flood zone 2: Medium probability (rivers and sea)
  • National Landscape (AONB): High Weald

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, 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, 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: Mid Sussex

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near RH17

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

Planning something similar?

See what the council approved and refused for changes of use on your street. Pick your home and get the evidence before you pay for drawings.

See what gets approved on your streetBuying this property? Report on this address