Fergusson's show She Knows You Know!, in which she portrayed the comedian Hylda Baker, performed at the Vaudeville Theatre, was nominated for a 1998 Laurence Olivier Theatre Award for Best Entertainment of the 1997 season, and she was part of the cast of the touring play Seven Deadly Sins Four Deadly Sinners. After Last of the Summer Wine ended, Fergusson appeared in several television series, including This is England '86 and three episodes of Doctors.
Fergusson's show "She Knows You Know!" which featured her as comedian Hylda Baker, was nominated for a 1998 Laurence Olivier Theatre Award for Best Entertainment of the 1997 season. She also appeared in the touring play "Seven Deadly Sins Four Deadly Sinners" and several television series after "Last of the Summer Wine" ended, including "This is England '86" and three episodes of "Doctors."