Colney Heath Mill is a Grade II listed[1] smock mill at Colney Heath, Hertfordshire, England, which has been converted to residential accommodation.
Colney Heath Mill was built in the 1850s. It was working until 1906, latterly by steam engine.[2] The mill was converted to residential accommodation between 1999 and 2004[1]
Colney Heath Mill is a four-storey tower mill It has a domed cap. There were four sails which drove three pairs of millstones.[2]
Reference for above:-[2]