Prominent in the opposition party during the Gaitskell period in the 1950s and early 1960s, he remained committed to law and order in Wales, and the nationalisation of the rail industry.

A successful practice in Newbridge and Pontypool, Chivers and Morgan Solicitors acted as a financial and legal springboard for a political career.

A strong Baptist tradition continued to have a significant presence in the Liberal and Labour parties during the early part of the Twentieth century.

Granville-West was an advocate of nonconformist education as Sunday School Superintendent; and in his practice was the Solicitor to Monmouthshire Welsh Baptist Association.

Encouraged by the Attlee government to seek a seat in parliament, he alighted on Pontypool because the firm had taken over Harold Saunders practice in 1943, providing a unique opportunity in a safe Labour area.

An advocate of industrial expansion in the South Wales valleys he opposed decline, promoting the cause of railway maintenance to the British Transport Commission.