Steafel has appeared in many television series, including The Frost Report, Z-Cars, Sykes, The Kenny Everett Television Show, Minder, The Ghosts of Motley Hall, Oh Brother! and The Laughter of a Fool. She was a regular in the BBC One music hall programme The Good Old Days, portraying her comic creation "Miss Popsy Wopsy", who invariably 'played up' to chairman Leonard Sachs.