After Hughes, its best-known member was Brendan Nelson, a minister in the third and fourth Howard governments and the federal Leader of the Opposition from 2007 to 2008.

At a 1952 by-election triggered by Hughes’ death, the Liberals were held to 58 percent of the two-party vote.

In the 2022 federal election, Voices of Bradfield-endorsed independent candidate Nicolette Boele slashed the Liberal margin in the seat from 16.56% to 4.23%, turning Bradfield into a marginal seat on a two-candidate preferred basis for the first time in its history, amid the collapse of Liberal support in the North Shore.

[3] The electorate is located in the upper North Shore and covers an area of approximately 101 km2, covering the suburbs Castle Cove, East Killara, East Lindfield, Gordon, Killara, Lindfield, North Turramurra, North Wahroonga, Pymble, Roseville, Roseville Chase, South Turramurra, St Ives, St Ives Chase, Turramurra, Wahroonga, Waitara, Warrawee, and West Pymble; as well as parts of Asquith, Chatswood, Chatswood West, Hornsby, Mount Colah, and Normanhurst.

Small Ku-ring-gai Council parts of Wahroonga (Only North of the Coups Creek) were also moved to Berowra