[1] His design genre was wide, from churches to schools to golf clubhouses, but he was focussed in the Glasgow area and the west coast of Scotland.

[1] He achieved national fame in 1901, when he won he Glasgow Royal Infirmary competition, but an internal disagreement led to its commission instead being given to James Miller.

[2][1] In the early 1890s, Clifford built himself a weekend house, namely Redclyffe in Troon, but he lived with his mother and sisters in Pollokshields during the week.

[1] Upon retiring in 1923, he bought a two-acre plot in the English town of Reigate, Surrey, on which he built a "substantial house" which he also named Woodbrook.

[1] Clifford's health improved somewhat, but his fortune was diminished by the 1929 Wall Street Crash and the subsequent impact on the London Stock Exchange.