Report on a historic building survey undertaken to inform proposed internal and external alterations to the mill building at King's Mill, St Peter's Vale, Stamford. The surveyed elements included: an original 17th century external entry, later blocked and then reopened in the 1980s, which incorporated a datestone of 1666 and an original recess for machinery; a modern infilled wall and window from the 1980s; and an area of rubble wall including another modern window addition.