During the 1960s, Moorhouse was associated with the Sydney Push ... a progressive group of artists, writers and intellectuals. He was also a member of the WEA Film Study Group with such notable people as John Flaus, Michael Thornhill and Ken Quinnell. After some time working for rural NSW newspapers, Moorhouse moved to the bohemian inner-Sydney suburb of Balmain, which was to become a central setting of much of his work.
He announced at Sydney's Customs House Library in late 2006 that he is working on the third volume of his League of Nations series.
Forty-Seventeen (1988) which won The Age Book of the Year Award and the Australian Literature Society's Gold Medal.
Dark Palace (2000) won the Miles Franklin Award.
The writer in a time of terror appearing in Griffith Review Edition 14: The Trouble With Paradise (2007) won the Alfred Deakin Prize for an Essay Advancing Public Debate in the Victorian Premier's Literary Award as well as the award for Social Equity Journalism in The Walkley Awards for Excellence in Journalism