Sizewell C And Associated Development Sites Sizewell Leiston Suffolk

DC/25/4447/DRR28Discharge of Requirements (28 days)Approved

Discharge / amendments

Approved on 22 December 2025

Council decision: Application PermittedDelegated (officer decision)

Proposal

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

Received: 18 November 2025
Decision level: Delegated (officer decision)
Public comments: 1
Council: East Suffolk Council
Ward: Aldeburgh And Leiston

ReceivedReceived18 Nov
ValidatedValidated18 Nov
Consult.Consultation10 Dec
TargetTarget Date16 Dec
DecidedDecided22 Dec

Decided in 34 days (council typically 56)

About this application

This is an application to discharge conditions at Sizewell C And Associated Development Sites Sizewell Leiston Suffolk. East Suffolk has handled 1,341 applications of this type. This one was decided in 34 days, 3 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.

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 (28 days)
Scale / size: Small
Parish: Leiston Cum Sizewell

Planning application dates

Date validated: 18 November 2025
Last date for comments: 10 December 2025
Target decision date: 16 December 2025

Planning decision

Statutory period: 28 days

Additional information

Documents: 8

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)

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 (22)

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, 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.

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.

Associated applications

2025
18 Nov
Bespoke Mitigation Plan (Noise and Vibration) Temporary Construction Area (TCA) Works (MDS BMP 7 Rev 4)…
ApprovedDischarge of conditionsFiled alongsideDC/25/4446/DRR28
2025
18 Nov
Bespoke Mitigation Plan (Noise and Vibration) Main Development Site (MDS) Road Works (MDS BMP 5 Rev 4)…
This applicationApprovedDischarge of conditionsDC/25/4447/DRR28

Planning history at this site

10 other applications at this property, newest first.

Source: East Suffolk

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