John Thomas Wimperis was born in Kimbolton, Huntingdon, England in c.1829. By 1866 he had established a practice in London with an office at 25, Sackville Street.
He was associated with the Grosvenor Estate in London from the mid-1870s onwards and in 1887 he was appointed one of the Estate's approved architects,
In 1889 Wimperis formed a partnership with William Henry Arber (1849-1904) who had been his assistant for a number of years.
Wimperis was elected a Fellow of the Royal Institute of British Architects (FRIBA) in 1877. He retired from practice in 1898 and died in London on 21 December 1904.
Invercauld Castle, Braemar, Aberdeenshire, remodelled by Wimperis (1870-75); New Mansions, Chesterfield Gardens, Mayfair, London (1876-78); 4, Queen Street, Mayfair, London (1883); Audley Mansions , Mount Street, Mayfair, London (1884-86); 27 Grosvenor Square, London (1889); 8 Grafton Street, London (1891); and New Palace Theatre of Varieties, Plymouth, Devon, with Arber (1898)
Directory of British Architects 1834-1914. Compiled by Antonia Brodie, et al. Volume 2: L-Z. London; New York: British Architectural Library, Royal Institute of British Architects/Continuum, 2001