Water Treatment Works Whiteway Alfriston East Sussex

SDNP/26/02688/SCREENOutlineDecided

Outline / PiP

Decided on 24 July 2026

Council decision: EIA Not RequiredDelegated (officer decision)

Site boundary (council red line)

Proposal

Upgrades to flow monitoring and associated hydraulic improvements at Alfriston WTW to increase capacity and accommodate higher peak flows. The proposed works include modification of the existing MCERTS-compliant Flow from Works (FFW) system to measure flows up to 130% of peak capacity, together with targeted hydraulic upgrades to infrastructure including inlet levels, feed pipes, syphon pumps and trickling filter distribution arms. No new structures are proposed and all new equipment will be modification to existing assets.

Received: 6 July 2026
Decision level: Delegated (officer decision)
Council: South Downs

ReceivedReceived6 Jul
ValidatedValidated6 Jul
Consult.Consultation
TargetTarget Date
DecidedDecided24 Jul

Decided in 18 days (council typically 56)

About this application

This is an outline application at Water Treatment Works Whiteway Alfriston East Sussex. South Downs has handled 1,978 applications of this type. There are no previous applications recorded at this address. In the past year there have been 42 applications across East Dean Ward.

87% of outline applications at South Downs 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.Planning something similar? See what gets approved on your street

Application details

Application type: Outline
Scale / size: Medium

Planning application dates

Date validated: 6 July 2026

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Flood zone 3: High probability (rivers and sea)Part of the site
National park: South Downs

Possibly incomplete for this council: Article 4 directions and 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 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.

Source: South Downs

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