 He is responsible for a varied selection of villas on or in the vicinity of Colinton Road in Merchiston; one of these was for many years the home of author Dorothy Dunnett.He is also known to have designed modifications for at least one New Town building, in Abercromby Place, in 1899.Calvert was born in Brentford, Middlesex in March 1847, the son of William Calvert, a corn and coal merchant and his wife Esther Roberts.