The Science Museum Group has chosen architects AOC to design a new building at a railway museum in County Durham.

The £5.4m collection building will house 50 trains, making Locomotion the UK’s biggest rail museum in terms of the number of vehicles it can display: 120.

The project is part of a £6m improvement programme to regenerate the museum’s historic site, a former banana processing plant in Shildon.

AOC was appointed after a competitive design tender which ran earlier in the year. There were 25 bids, mainly from the UK.

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