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Butterley Spillway, Marsden, west Yorkshire: The imposing and spectacular spillway - the only listed structure of its kind in the UK - was designed to allow water release during heavy rain. It is under threat from planners who want to remove its steps and replace its walls with concrete. (Dianne Ellis/The Victorian Society)

Most threatened Victorian and Edwardian buildings

They are some of Britain's most iconic buildings from a golden age in the country's history, but many of these century-old landmarks have fallen into neglect and disrepair.
The Victorian Society has revealed the 10 most endangered Victorian and Edwardian structures, after calling on the public to highlight at-risk heritage buildings in England and Wales.