After World War II he designed several major buildings in Cardiff and Swansea, and from 1971 to 1973 he served as president of the Royal Institute of British Architects.

He was an enthusiastic art collector, and bequeathed 32 paintings to the Glynn Vivian Art Gallery, Swansea, including works by Marc Chagall, Augustus John, Kyffin Williams, Barbara Hepworth, Ben Nicholson and Elisabeth Frink and a portrait bust of himself by Ivor Roberts-Jones.

[1] In 1936, while a trainee, he won the Lord Mayor of Cardiff's competition for the design of street decorations to celebrate the coronation.

[1] After leaving the Army, he studied at the Welsh School of Architecture in Cardiff, and was awarded a diploma with special distinction in 1948.

In 1974 he wrote a paper for the RIBA on the future shape of architecture, in which he argued that buildings should be designed for Long life, loose fit, low energy.