Sizewell C And Associated Development Sites Sizewell Leiston Suffolk
Approved on 19 June 2025
Council decision: No ObjectionsDelegated (officer decision)
Proposal
Consultation Application - Environment Agency environmental permit application (EPR/HB3542KC/A001) on the Sizewell C project: Water Discharge Activity permit for the Main Construction Area and Temporary Construction Area
- Received
- 21 May 2025
- Decision level
- Delegated (officer decision)
- Public comments
- 2
- Council
- East Suffolk Council
- Ward
- Aldeburgh And Leiston
- ReceivedReceived21 May
- ValidatedValidated21 May
- Consult.Consultation23 Jun
- TargetTarget Date11 Jun
- DecidedDecided19 Jun
Decided in 29 days (council typically 56)
About this application
This is an outline application at Sizewell C And Associated Development Sites Sizewell Leiston Suffolk. East Suffolk has handled 942 applications of this type. This one was decided in 29 days, 4 weeks quicker than East Suffolk's typical decision time. There have been 11 other applications at this address. In the past year there have been 110 applications across Aldeburgh And Leiston.
87% of outline applications at East Suffolk 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.Planning something similar? See what gets approved on your street
Application details
- Application type
- Other Consultation
- Scale / size
- Small
- Parish
- Leiston Cum Sizewell
Planning application dates
- Date validated
- 21 May 2025
- Last date for comments
- 23 June 2025
- Target decision date
- 11 June 2025
- Permission expires
- 19 June 2030
Applicant and agent
- Agent address
- Environment Agency Integrated Permitting Services Quadrant 2 99 Parkway Avenue Sheffield South Yorkshire S9 4WG
Planning decision
- Statutory period
- 21 days
Additional information
- Documents
- 2
Site constraints
Designations at the address point. Ones next to the site may also apply.
- Flood zone 3: High probability (rivers and sea)
- National Landscape (AONB): Suffolk Coast & Heaths
Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.
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.
Planning history at this site
11 other applications at this property, newest first.
- 20261 Sep
Discharge of Requirement 9 - Main Development Site: Site Clearance of the Sizewell C Development Consent Order
ApprovedDischarge of conditionsDC/26/3028/DRR42 - 202610 Aug
Bespoke Mitigation Plan (Noise and Vibration) Main Development Site Roads (MDS BMP 5), secured by the Noise…
PendingApplicationDC/26/2839/DRR28 - 20263 Jul
Development Consent Order Requirement 27 - Main development site: Marsh harrier of the Sizewell C Development…
PendingApplicationDC/26/2417/DRR - 202628 May
Bespoke Mitigation Plan (Noise and Vibration) - Ancillary Construction Area (MDS BMP 6 ACA Revision 04)…
PendingDischarge of conditionsDC/26/1974/DRR28 - 202627 May
County Council Consultation - SCC/0088/26/DoR
PendingDischarge of conditionsDC/26/1956/CCC - 202627 May
Discharge of Requirement 3 (6) (A) - Project wide: Archaeology and peat, post-excavation assessments in…
PendingDischarge of conditionsDC/26/1949/CON - 202616 Feb
Consultation - Sizewell C pUXO Investigation Spring 2026.
ApprovedDischarge of conditionsDC/26/0622/CON - 202518 Nov
Bespoke Mitigation Plan (Noise and Vibration) Main Development Site (MDS) Road Works (MDS BMP 5 Rev 4)…
ApprovedDischarge of conditionsDC/25/4447/DRR28 - 202518 Nov
Bespoke Mitigation Plan (Noise and Vibration) Temporary Construction Area (TCA) Works (MDS BMP 7 Rev 4)…
ApprovedDischarge of conditionsDC/25/4446/DRR28 - 20252 Jul
Development Consent Order Requirement 32 - Associated Development Sites: Site Clearance, Green Rail Route of…
PendingDischarge of conditionsDC/25/2606/DRR42 - 20242 Oct
Discharge of Requirement 5 (Project wide: Surface and Foul Water Drainage Partial discharge for Main…
ApprovedDischarge of conditionsDC/24/3559/DRR
Source: East Suffolk
Track this application
Get email alerts when there is a planning decision or status change.
Around this site
Nearby applications
- Green Rail Route Sizewell C And Associated Development Sites Sizewell Leiston SuffolkDC/25/3769/DRR42 · ConditionsApproved0.0 mi
- Sizewell C And Associated Development Sites Sizewell Leiston SuffolkDC/24/3559/DRR · ConditionsApproved0.0 mi
- Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston SuffolkDC/24/4242/DRR · ConditionsApproved0.0 mi
- Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston SuffolkDC/26/2639/DRR42 · ConditionsAwaiting decision0.2 mi
- Sizewell C And Associated Development Sites Sizewell Leiston SuffolkDC/25/4446/DRR28 · ConditionsApproved0.2 mi
For applicants and trades
Contractors near this project
- G Knights Electrical LtdElectrician0.8 mi
- Ad care fire and security ltdElectrician0.8 mi
- Erith Contractors Ltd0.9 mi
- Mark Hall Electrical Installations LtdElectrician1.0 mi
Planning something similar?
See what the council approved and refused on your street for the project you have in mind. Pick your home and get the evidence before you pay for drawings.