She is best known for playing Sarah Hills on the soap opera EastEnders, Margaret Hale on the period drama North and South, and Janey Harper on the BBC sitcom My Family.
[1][2] Denby-Ashe was born in North West London on 9 August 1978,[3] the daughter of Polish immigrants; her father's original name was Miroslaw Pszkit.
[4] Denby-Ashe is fluent in English, Polish, and French, learning the latter from her grandmother, who was raised in France until World War II broke out.
Denby-Ashe also appeared briefly alongside Jennifer Saunders and Julia Sawalha in season 3 episode 6 of Absolutely Fabulous.
In April 2009 she appeared in the fourth series of the BBC drama Waterloo Road as deceitful supply teacher, Jem Allen.