The Grade-I listed Ditherington Flax Mill was the world's first iron-framed building and is considered one of the most important on the English Heritage At Risk register.
BBC: Ditherington Flax Mill in ?11.6m restoration bid
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English Heritage said the Grade I-listed Ditherington Flax Mill in Shrewsbury, built in 1797, was the world's first iron-framed building.
BBC: Ditherington Flax Mill in lottery funding bid
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Built in 1797, the Ditherington Flax Mill was the world's first iron-framed building and has been derelict for more than 20 years.