Planned road closures & management

Please find below a detailed list of road closures, speed restrictions & traffic management that is currently planned under the SZC construction process. Be aware this is being constantly updated, with access to the latest information using the link provided under 'Useful Information - Road Closures'.

You can also track the latest Sizewell C works with their own tracker. This provides details on road closures, abnormal loads movement, traffic management & footpath closures.

Road Closures

Willow Marsh Lane, Darsham is closed until June 2026 to enable the construction of the Northern Park & Ride roundabout and site. Diversion in place via Walpole Road, A144, A12.

Reckford Road, Westleton will be closed in January & February 2026 to allow for water main repairs.

Abbey Lane, Leiston is closed until January 2027 to enable the construction of the new railway line. Diversions in place via Harrow Lane, Hawthorn Road and Pretty Road.

Here are the latest notices issued by Sizewell C for road closures:

B1122 night closures in December for the Abbey Road/Lovers Lane area.

B1122 night closures in November for the Abbey Road/Lovers Lane area.

A12 Station Road Yoxford night closures for December.

B1122 Middleton Road night closures for December.

 

Sizewell C Updates

The B1122/1125 Junction update. Westleton & Middleton Parish Councils submitted a letter to Sizewell C concerning the planned junction changes & connection to the Sizewell Relief Road. The result was a meeting with SZC on the 16th October 2025, with both Parish Councils & Paul Ashton from East Suffolk District Council in attendance.

The Parish Council have submitted their response to EDF's stage 5 consultation. Read Westleton Parish Council response to EDF's stage 5 consultation.

The Parish Council made representations at the online Planning Inspectorate Open Floor Hearing. Read Westleton Parish Council's oral evidence to the Planning Inspectorate Hearing. They also sent its written evidence to the Planning Inspectorate which is also available to read.

Andrew Turner, on behalf of the Westleton Parish Council, has submitted a Transport Submission response to the planning inspectorate.

There was a  SZC Community Forum held on March 27th 2025 at Hinton. Details of the presentation are available.

 

Sizewell C - Northern Forum meeting update

Meeting notes for the Northern Forum meeting held on the 5th Novemver 2025.

Here are the meeting notes held on the 6th August 2025 for the Northern Forum.

The meeting notes from the May 7th 2025 meeting of the Northern Forum.

Here is the February 5th 2025 meeting of the Northern Forum with the meeting notes taken. A presentation was given with the latest updates plus our Parish Council Chairman took additonal notes.

The November 6th 2024 meeting of the SZC Northern Forum was attended by members of the Westleton Parish Council team. The presentation given at the meeting outlines the latest information and updates plus the meeting notes from our Parish Council chairman.

Details of the 8th of May 2024 SZC Northern Forum. Of special note is that the community helpline can be used to ask a question or report concerns including to report vehicles believed to be SCZ vehicles which are being driven badly, too fast, or which are using a road they shouldn’t be on (such as any vehicle over 3.5 tonnes on the B1125). The community helpline number is 0800 197 6102 and the email is info@sizewellc.com. The full presentation from the meeting is available.

 

National Grid consultation

LIONLINK (formerly known as Eurolink) - Updated

Further information on the proposed Lionlink has been issued as of August 2024. Please find below the newsletter that was sent to 9,000 local homes &  the notification of Ground Investigation works that are starting on the 27th August 2024.

Newsletter

Notification

Westleton Parish Council has responded to the National Grid's Lionlink proposal, dated October 2023. For more information about the LionLink plans, please visit the National Grid website.

SEALINK - Updated

November 2025. The Parish Council Chairman gave a presentation to the Planning Inspectorate (PINS) Open Hearing for the Sealink Examination. This was held on Wednesday 5th November.

May 2025 - The Planning Inspectorate (PI) invited organisations and individuals to register as interested parties to allow participation in the PI Examination of the Sea Link project. You can find information and guidance, and subscribe to receive Planning Inspectorate updates at the Sea Link page on the National Planning Inspectorate website (project EN020026) and at Sea Link - Project information

Westleton Parish Council published a further update to the National Grid's Sealink proposals dated July 2024. Read their submission to the updated project proposals,

Westleton Parish Council published its initial response to the National Grid's Sealink proposals in December 2023.