In 1896, the mills had a steam engine as auxiliary power. This had been replaced by a gas engine by 1925. In May 1935, the mill tower was burnt out in a fire. The tower was refitted, and the former conical roof replaced with two cowled ventilators. An oil engine was the auxiliary power source in 1937. On 1 February 1953, the mills were flooded to a depth of . The mills were still in use at this time but had ceased working by 1969. In 1999 the mills were purchased for conversion. A new ogee cap was constructed and fitted to the windmill tower.