Broadbridge was sometime Alderman of the Candlewick Ward of the City and then Sheriff of the City of London from 1933 to 1934 and became Master of the Worshipful Company of Gardeners that year. He then became Lord Mayor of London in 1936 and on leaving that office a year later, was created a baronet.
He was elected unopposed as Member of Parliament (MP) for the City of London at a by-election in April 1938, and held the seat until September 1945 when he was raised to the peerage as Baron Broadbridge. On his death in 1952, he was succeeded in the title by his son Eric.
In 1933, he acquired a Queen Anne building, Lichfield House, in Richmond which he demolished and replaced by two blocks of flats, Lichfield Court, totalling 211 flats in all. These were built in the Art Deco style and are now Grade II listed.
- Leigh Rayment's Historical List of MPs – Constituencies beginning with "L" (part 3)
- Craig, F. W. S. (1983) . British parliamentary election results 1918–1949 (3rd ed.). Chichester: Parliamentary Research Services. p. 14. ISBN 0-900178-06-X.
- Peerages: B, part 5, Leigh Rayment's Peerage pages
- Lichfield Court
- Debrett's Peerage. 2019.
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