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Planning application

Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

Granted East Suffolk DC/25/4632/DRC Approval of Details Reserved by Cond.

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Discharge of Condition Nos. 2, 3 and BNG1 of DC/24/4158/FUL - Excavation to create five ponds within a basin and creation of an earth bund in connection with natterjack toad habitat. - Habitat Management and Monitoring Plan (HMMP) and Ecology BNG Gain Plan.

As published by the council, reference DC/25/4632/DRC

Application record

Reference
DC/25/4632/DRC
Type
Approval of Details Reserved by Cond.
Status
Permitted
Decision
Application Permitted
Received
28 Nov 2025
Validated
2 Dec 2025
Decided
23 Jan 2026
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 18 applications since 2025: 15 approved, 0 refused.

  • DC/26/3028/DRR42 Awaiting decision

    Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    Development Consent Order Requirement 9 - Main Development Site: Site Clearance of the Sizewell C Development Consent Order

    Submitted 26 Aug 2026 Conditions
  • DC/26/2839/DRR28 Granted

    Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    Bespoke Mitigation Plan (Noise and Vibration) Main Development Site Roads (MDS BMP 5), secured by the Noise Monitoring and Management Plan under Requirement 2 (Code of Construction Practice) of the Sizewell C Development Consent Order

    Decided 24 Aug 2026 Conditions
  • DC/26/2417/DRR Awaiting decision

    Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    Development Consent Order Requirement 27 - Main development site: Marsh harrier of the Sizewell C Development Consent Order

    Submitted 3 Jul 2026 Conditions
  • DC/26/1974/DRR28 Granted

    Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    Bespoke Mitigation Plan (Noise and Vibration) - Ancillary Construction Area (MDS BMP 6 ACA Revision 04), secured by the Noise Monitoring and Management Plan under Requirement 2 (Code of Construction Practice) of the Sizewell C Development Consent Order

    Decided 23 Jun 2026 Conditions
  • DC/26/1949/CON Granted

    Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    Discharge of Requirement 3 (6) (A) - Project wide: Archaeology and peat, post-excavation assessments in respect of SZC Co. Sizewell C Nuclear Power Station

    Decided 15 Jun 2026 Outline
  • DC/26/1956/CCC Granted

    Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    County Council Consultation - SCC/0088/26/DoR - Discharge of requirement 10 project wide: public rights of way implementation plan for coast path in respect of szc co. Sizewell c nuclear power station

    Decided 9 Jun 2026 Outline
  • DC/26/0622/CON Granted

    Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    Consultation - Sizewell C pUXO Investigation Spring 2026.

    Decided 13 Mar 2026 Outline
  • DC/25/4447/DRR28 Granted

    Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    Bespoke Mitigation Plan (Noise and Vibration) Main Development Site (MDS) Road Works (MDS BMP 5 Rev 4), secured by the Noise Monitoring and Management Plan under Requirement 2 (Code of Construction Practice) of the Sizewell C Development Consent Order

    Decided 22 Dec 2025 Conditions
  • DC/25/4446/DRR28 Granted

    Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    Bespoke Mitigation Plan (Noise and Vibration) Temporary Construction Area (TCA) Works (MDS BMP 7 Rev 4), secured by the Noise Monitoring and Management Plan under Requirement 2 (Code of Construction Practice) of the Sizewell C Development Consent Order

    Decided 22 Dec 2025 Conditions
  • DC/25/4281/DRR28 Granted

    Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    Bespoke Mitigation Plan (Noise and Vibration) Ancillary Construction Area (ACA) Works (MDS BMP 6 Rev 3), secured by the Noise Monitoring and Management Plan under Requirement 2 (Code of Construction Practice) of the Sizewell C Development Consent Order

    Decided 25 Nov 2025 Conditions

Timeline

Dates from the published record

  1. 28 Nov 2025

    Received by East Suffolk

  2. 2 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 23 Jan 2026

    Decision issued: Application Permitted

  4. 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.

Trade members open them from here.

Open the documents

What this grant of permission means

East Suffolk granted permission on 23 January 2026, 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.

Nearby applications

Within 500 metres

  • Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    DC/25/4209/DRC Submitted 31 Oct 2025 0m away

    Discharge of Condition No. 5 of DC/24/4158/FUL - Excavation to create five ponds within a basin and creation of an earth bund in connection with natterjack toad habitat enhancement. - WSI submission

    Granted Conditions 6 docs

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    Discharge of Condition Nos. 4, 5, 6, 7, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 27, 28 and 30 of DC/24/4379/LBC - Listed Building Consent - Partial Demolition, extension and internal reordering, plus conversion and repair of outbuildings - Supporting Statement and Drawings submitted

    2 Jun 2026 Conditions
  • DC/26/2017/DRC Granted

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    1 Jun 2026 Conditions
  • DC/26/3060/DRC Awaiting decision

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    14 Aug 2026 Conditions
  • DC/26/3028/DRR42 Awaiting decision

    Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

    Development Consent Order Requirement 9 - Main Development Site: Site Clearance of the Sizewell C Development Consent Order

    26 Aug 2026 Conditions