Planning application
Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Requirement 21 (Main Development Site: Sizewell Marshes SSSI Method Statement) of the Sizewell C Development Consent Order
As published by the council, reference DC/25/4388/DRR
Application record
- Reference
- DC/25/4388/DRR
- Type
- Discharge of Requirements (56 days)
- Status
- Permitted
- Decision
- Granted As published: Application Permitted
- Received
- 13 Nov 2025
- Validated
- 13 Nov 2025
- Decided
- 22 Dec 2025
- Ward
- Aldeburgh And Leiston
- Parish
- Leiston Cum Sizewell
- Decision by
- Delegated Decision
Site history
Applications at this address on the East Suffolk register
This site has had 15 applications since 2024: 12 approved, 0 refused.
-
DC/26/3415/CON Awaiting decision
Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk
Consultation - Marine Management Organisation Consultation - Variation Request No. 4 to the Sizewell C (SZC) Deemed Marine Licence (DML) (DCO/2013/00021)
-
DC/26/2639/DRR42 Granted
Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk
Discharge of Requirements (42 days) - Discharge of Requirement 9 (Main development site: Site clearance) of the Sizewell C Development Consent Order
-
DC/26/2576/DRR Granted
Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk
Discharge of Requirement 19 (Main development site: Marine infrastructure) - Temporary Hard Coastal Defence Feature (part of Work No. 1A(n)) of the Sizewell C Development Consent Order
-
DC/26/1777/DRR28 Awaiting decision
Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk
Bespoke Mitigation Plan (Noise and Vibration) Temporary Construction Area (MDS BMP 7), secured by the Noise Monitoring and Management Plan under Requirement 2 (Code of Construction Practice) of the Sizewell C Development Consent Order
-
DC/26/0327/CON Granted
Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk
Consultation - Nearshore Infrastrcuture Pre-Installation Bathymetry
-
DC/26/0158/CON Granted
Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk
MMO Consultation - Deemed Marine Licence condition 14(3) - Sizewell C CPMMP Notification: TMBIF Pre-installation Topography Monitoring Report
-
DC/25/4721/DRR42 Awaiting decision
Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk
Discharge of Requirement 31 (Rail infrastructure) - Green Rail Route of the Sizewell C Development Consent Order
-
DC/25/4674/CON Granted
Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk
Consultation - Condition Coastal Processes Monitoring and Mitigation Plan monitoring reports - DML condition 14(3)
-
DC/25/4283/CCC Granted
Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk
County Council Consultation - Discharge of Requirement 10 project wide: Public Rights Of Way implementation plan for coast path (MBIF) in respect of SZC Co. Sizewell C Nuclear Power Station
-
DC/25/2644/DRR28 Granted
Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk
Bespoke Mitigation Plan (Noise and Vibration) - Sizewell Link Road Main Works (AD BMP 16), secured by the Noise Monitoring and Management Plan under Requirement 2 (Code of Construction Practice) of the Sizewell C Development Consent Order
Timeline
Dates from the published record
-
13 Nov 2025
Received by East Suffolk
-
22 Dec 2025
Decision issued: Application Permitted
-
9 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
8 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
East Suffolk granted permission on 22 December 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
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