 Broughton carried out public duties as a Liaison Commissioner of the Joint War Organisation during World War II, as deputy lieutenant of Cambridgeshire (appointed in 1937) and as a Justice of the Peace (appointed in 1939).His philanthropy included a gift of £30,000 to the Fitzwilliam Museum for the purchase of British School landscapes.The villagers of Lode were given a village hall in 1930 in memory of Broughton's father.