Joseph William Duffield was a builder and house agent.
Duffield was registered as living at Queen's Gate Works, Park Lane, Kensington Gore in the Kensington Directory of 1882, 1884 and 1885. At JW's bankruptcy in 1879, he was in debt to Duffield by £6.6.10 and £8.16.10 for 'work and labour' (#11711). Richard Wright represented him in his claim for payment (#08860).
Kelly's Directory of the Building Trades, London, 1870; UK census 1881 from http://www.familysearch.org (accessed 2004).