[1] She then read English and Drama at Goldsmiths, University of London[2] She joined the BBC as a studio manager in 1983[3] with the World Service.

[2] In 1987 she worked at the new BBC 648,[2] and also became a newsreader for the World Service and read the news on Radio 4 from 1988.

She also worked as a producer for the Canadian Broadcasting Corporation.

Over a period from late 2010, with colleague Kathy Clugston, Corfield persuaded broadcasters connected with Radio 4 to don the 'slanket of con', a garment purportedly worn by continuity announcers in the air-conditioned chill of studio 40B as they read the late night shipping bulletin, and has photographed the wearers in various comic poses.

[5] She read the Six O'Clock News for the last time on BBC Radio 4 on 23 February 2021.