From 1914 he practised in Egypt, constructing Cairo's largest shop for the Davies Bryan Company, as well as a number of other commercial and public buildings.
Williams was a member of the Independent Labour Party and sat on the executive committees of the Land Nationalisation Society and the London Reform Union.
Williams wrote several books on housing and advocated for internal toilets at a time when outdoor privies were the norm.
[1] Williams was admitted to the Royal Institute of British Architects as an associate in 1887, allowing him to set up his own practice in London.
[1] The Cairo shop, the largest in the city at that time, was a large structure of red Aberdeen granite and Somerset Doulting freestone.
[3] He was successful in winning a seat at Lambeth North in the 1901 London County Council election, representing the Progressive Party.
Williams was a member of the Independent Labour Party and sat on the executive committees of the Land Nationalisation Society and the London Reform Union.
[1] Williams was also a member of the Cambrian Archaeological Association and drew sketches of their 1897 investigations in Cardiganshire, that were published in Archaeologia Cambrensis and The Builder.
He campaigned for conservation of historic buildings, complaining in the local press about unsympathetic modifications and new-builds.