Site construction
Leiston-cum-Sizewell

Main Development Site

  • Activity: Site construction
  • Start Date: 1st July 2025
  • End Date: 6th August 2027

Sizewell C is constructing a concrete cut off wall below the ground and carrying out the associated ground improvement works. This work will continue until 2027 and will be carried out during the daytime from Monday – Friday.

These works will not impact access to the beach.

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