[3] In 1910 he became a judge of the High Court, and in 1915 a Lord Justice of Appeal and a Privy Councillor.

Bankes was on numerous commissions or committees of inquiry, including: Chairman of the Departmental Committee on Education in Rural Wales, 1928; and as a prominent Anglican, with Lord Sankey he drafted the new constitution of the Church in Wales.

After his death,[2] the Soughton estate passed to their second son, Robert Wynne Bankes, who served as Private Secretary to successive Lord Chancellors.

[1] After the death of his mother, his son, John Wynne Bankes, sold the hall into private hands, and in 1987 it was converted into a country house hotel.

Key decisions included: He chaired the Royal Commission on the Private Manufacture of and Trading in Arms in 1935–1936.