He was Conservative Member of Parliament for Liverpool East Toxteth from 1929 to 1930, when, on the death of his father, he succeeded to the barony becoming the 2nd Baron Melchett.

[3] Having been brought up in the Church of England, he reverted in the 1930s to his family's original Judaism and became a champion of Zionism, hoping that the Jews and Arabs could live harmoniously alongside each other.

[7] Their relationship began when she was living with writer Gilbert Cannan, a friend of D. H. Lawrence, and they initially formed a ménage à trois.

Paying homage to their early relationship, they commissioned a 1.6 metres (5.2 ft) high relief from the prominent artist Charles Sargeant Jagger called "Scandal", which they displayed in their living room.

[10] Mond bought and restored Colworth House on the edge of the Bedfordshire village of Sharnbrook and lived there for twelve years.

[citation needed] He sold the house to Unilever in 1947 due to his wife's belief that moving to Florida would restore his health.