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Berkeley site

Oldbury sits on a 15 hectare site on the banks of the River Severn in South Gloucestershire, where decommissioning has been safely progressing since 2016.

Over the past decade, teams have delivered major milestones that are reshaping the site for its long‑term future. One of the most significant achievements was the transition of the spent fuel cooling ponds into a safe, passive care and maintenance phase in 2025, following years of complex and challenging decommissioning work.

Oldbury Technical Centre, the historic heart of nuclear training excellence since the 1970s, was safely demolished in 2025 clearing almost 5,000m² of land for future reuse.

Oldbury is now focused on the next phase of transformation. Teams are retrieving and segregating fuel element debris (FED) from underground vaults while preparing the site for construction of a pioneering AutoSAS facility – a 120m² building that will deploy advanced robotics to remotely sort and segregate radioactive waste on a UK nuclear site for the first time.

Use our interactive tool to find out more about the future of Berkeley site

In pictures

Key facts

1956

Construction began

1962

Generation started

1989

Generation ended

1989

Defueling started

1992

Defueling ended

1995

Turbine Hall demolition

2001

Spent fuel cooling ponds complex demolition

43

total output TWhrs

2

Number of reactors

11 hectares

Former Nuclear Laboratories land released for re-use