He held many other ministerial roles under both Perrottet and his predecessor, Gladys Berejiklian.

[4] Hornsby is a blue-ribbon seat in northern Sydney, and is one of two of the original post-1927 electoral districts to have only ever been held by the Liberal Party, its predecessors or an independent, the other being Vaucluse.

Wallace's preselection was unsuccessfully contested by former Deputy Mayor of Hornsby Michael Hutchence and barrister Ishita Sethi.

[14] On 16 August 2024, One Nation announced their candidate as Steve Busch, who previously stood at the 2023 state election.

[15] The Libertarian Party announced Marc Hendrickx as their candidate on 19 September 2024.