 Renwick finally closed in 1994.The first building at Renwick to be designed by the Government Architect's Office, Challoner Cottage (number 12) was completed in 1941, replacing cottage number 8, which was demolished due to its poor condition.Named after Edward Challoner, the chief clerk of the Child Welfare Department in the 1930s, number 12 cottage was not designed as an intimate cottage like the others on the Farm.