After being educated at Exeter School, during her second year at her father's alma mater of the University of Manchester she decided not to audition for the Drama Society, instead forming a comedy group with four female friends.

[2] After working the comedy circuit with the all-female sketch troupe, which they named Lady Garden (and later reformed as Birthday Girls with Rose Johnson and Camille Ucan) she broke through into television in 2008.

[citation needed] She made her début in the Ben Elton sitcom The Wright Way, which was axed after one series.

Her role in the 2015 six-part BBC Three series Josh was singled out by The Independent newspaper as "very watchable", saying her "comic timing stuck out".

Edmondson married BBC News researcher Sam Francis on 4 June 2017.