Armitage also writes for radio, television, film and stage. He is the author of five stage plays, including "Mister Heracles", a version of Euripides' "The Madness of Heracles". "The Last Days of Troy" premiered at Shakespeare's Globe in June 2014. He was commissioned in 1996 by the National Theatre in London to write "Eclipse" for the National Connections series, a play inspired by the real-life disappearance of a girl in Hebden Bridge, and set at the time of the 1999 solar eclipse in Cornwall.