[1] His work involves permutations of painting, sculpture, installation, screen media, performance and writing [citation needed] .
He produced a number of film projects in Super 8 [citation needed], and in 1982, with Ross Gibson, Lindy Lee, Deirdre Beck and Janet Burchill, formed the Super 8 Collective, who together staged the 3rd Sydney Super 8 Film Festival at the Chauvel Cinema, Paddington, Sydney [3] Following the 1983 festival, The Sydney Super 8 Film Group, with Titmarsh the sole continuing member from the previous year, was formed and continued to organise and stage festivals[which?
His current practice gathered under the term ‘expanded painting’,[10] involves deconstructing traditional conventions of painting based on canvas, brush, and stretcher and replacing them with other materials including contemporary devices and post-industrial services[example needed].
A monograph about his work, titled, The Thing,[13] was written by Cameron Tonkinwise, and published by Artspace.
Titmarsh's works are held in museums and private and corporate collections in Australia, Europe and the United States [citation needed].