Hainbury mill is thought to date to the medieval period, the earliest records date to 1392 when it is referred to as Haynebergnmylle (Aston and Murless 1978, Dunning 1974:172).
The medieval mill of Hainbury was known as Hainbury Factory in the early 18th century and was used for flax production (Aston and Murless 1978, Warren 1996:34).
In 2010 Western Renewable Energy (WRE) installed an Archimedes screw. Power: 23kW, Head: 1.6m
Water source is the river Yeo