On 10 September 2015, it was announced that he had been cast as Unwin Trevaunance, an aspiring Member of Parliament, in the second series of the BBC production of Poldark, which aired in 2016. That year, Skinner was also featured in two different comedy series: The Windsors, a spoof of the royal family that aired on Channel 4, where he played Prince william, and Fleabag, a BBC3 and Amazon production, where he played the protagonist's hapless boyfriend Harry.