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Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk

DC/24/4242/DRRDischarge of Requirements (56 days)Approved
Discharge / amendments

Approved on 6 February 2025

Council decision: Application PermittedDelegated (officer decision)

Proposal

Discharge of Requirement 5 (Project wide: Surface and Foul Water Drainage) Partial discharge for Earthworks Phase 4, MCA (Zones 1 & 2), TCA (Temporary Offices - HAZ 14) and WMZ1 of Sizewell C Development Consent Order

Received
25 November 2024
Decision level
Delegated (officer decision)
Public comments
5
Ward
Aldeburgh And Leiston
  1. Received25 Nov
  2. Validated28 Nov
  3. Consult.19 Dec
  4. Target23 Jan
  5. Decided6 Feb

Decided in 70 days (council typically 56)

About this application

This is an application to discharge conditions at Proposed Sizewell C Sizewell Power Station Road Sizewell Leiston Suffolk. East Suffolk has handled 1,341 applications of this type. This one was decided in 73 days, 2 weeks longer than East Suffolk's typical decision time. There have been 10 other applications at this address. In the past year there have been 110 applications across Aldeburgh And Leiston.

99% of conditions 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
Discharge of Requirements (56 days)
Scale / size
Small
Parish
Leiston Cum Sizewell

Planning application dates

Date validated
28 November 2024
Last date for comments
19 December 2024
Target decision date
23 January 2025

Planning decision

Statutory period
56 days

Additional information

Documents
10

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 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

10 other applications at this property, newest first.

  1. 2026
    2 Nov

    Discharge of Requirement 12 Main Development Site: Coastal Processes Monitoring and Mitigation (Terrestrial)…

    PendingDischarge of conditionsDC/26/3847/DRR
  2. 2026
    12 Oct

    Discharge of Requirements (28 days) - Bespoke Mitigation Plan (Noise and Vibration) Rail Works November 2026…

    PendingDischarge of conditionsDC/26/3585/DRR28
  3. 2026
    29 Sep

    Consultation - Marine Management Organisation Consultation - Variation Request No. 4 to the Sizewell C (SZC)…

    ApprovedDischarge of conditionsDC/26/3415/CON
  4. 2026
    24 Jul

    Discharge of Requirements (42 days) - Discharge of Requirement 9 (Main development site: Site clearance) of…

    PendingDischarge of conditionsDC/26/2639/DRR42
  5. 2026
    20 Jul

    Discharge of Requirement 19 (Main development site: Marine infrastructure) - Temporary Hard Coastal Defence…

    PendingDischarge of conditionsDC/26/2576/DRR
  6. 2026
    13 May

    Bespoke Mitigation Plan (Noise and Vibration) Temporary Construction Area (MDS BMP 7), secured by the Noise…

    PendingApplicationDC/26/1777/DRR28

Source: East Suffolk

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