During Love/Hate he continued working on stage in production such as the 2010 West End production of All My Sons directed by Howard Davies. The next year he played Jerry Devine in Davies's production of Juno and the Paycock. In 2013 Vaughan-Lawlor played both the Howie Lee and the Rookie Lee in Mark O'Rowe's Howie the Rookie. Originally written for two actors, O'Rowe re-imagined the play for one actor to play both parts, and directed the production himself for Landmark Theatres. The production opened in Dublin, then toured to Cork, Galway, and the Edinburgh Festival. In 2014 the production was invited to the Barbican Centre London where it played in The Pit for 2 weeks, and then toured to BAM in New York.