Sheffield Smelting Company (Thessco Ltd) in modern buildings. The site appears to have been cleared and redeveloped between 1967 and 1987. Before this date a complex of workshops is shown which first appears on the 1851 OS as a large (for its time) smelting works. The Sheffield Smelting Company was established on this site in 1760 (Cranstone 1993, 39). Previously likely to have been enclosed town fields.