Stella Duffy has written sixteen novels, including crime and literary fiction as well as historical.

Theodora, published by Virago (UK) in 2010 and by Viking Penguin (US) in 2011, was her first historical novel, followed by the sequel The Purple Shroud, Virago (UK) 2012, Viking Penguin (US) 2012. The Theodora novels have been optioned by HBO for a television mini-series. Her third historical novel, London Lies Beneath, set in London in 1912, was published by Virago in 2016. Harper Collins have recently published Money in the Morgue, a novel started by Ngaio Marsh during WW2 and abandoned after three chapters, which Stella has now completed.

Her contemporary novels, The Room of Lost Things and State of Happiness were both longlisted for the Orange Prize, and she has twice won Stonewall Writer of the Year. She has written over sixty short stories, her anthology Everything is Moving, Everything is Joined was published by Salt in 2014. She has written several stories for BBC Radio 4, and won the CWA Short Story Dagger in 2002 for Martha Grace and in 2013 for Come Away With Me.

Stella is also a theatremaker and writer, and has written and devised fourteen plays. She is the co-founder and co-director of Fun Palaces, the campaign for culture for all, by all, with all.