[1] Blake regularly appeared in Victoria Wood's television programmes and has extensive radio credits.
She appeared in the first episode of the sitcom One Foot in the Grave in which her character was responsible for firing Victor Meldrew, thus setting the events of the show in motion.
Blake played the character of Madame Morrible in the West End production of Wicked, replacing Miriam Margolyes on 2 April 2007.
Blake briefly reprised her Coronation Street role of Bev Unwin in July 2015 to help the long-running character Deirdre Barlow (played by Anne Kirkbride, who had recently died) bow out of the soap in January 2015.
In March 2019, Blake portrayed Agatha Christie's Miss Marple in a theatre production of The Mirror Crack'd at the Salisbury Playhouse.