 In 1956, Fedden became a member of the London Group and became the chairperson of the Women's International Art Club, a post she held for three years.Her work can be found in numerous public and private collections such as the Chantrey Bequest for the Tate Gallery, HM the Queen's Collection, HM the Queen for Windsor Castle, the Pallant House Gallery, Peterborough Museum, the Royal Academy in London, Contemporary Art Society, Falmouth Art Gallery, Durham University, the University of Bath, Jerwood Collection, UK Government Art Collection, the City Art Galleries of Carlisle, Hereford, Hull, Bristol, Edinburgh and Sheffield.Fedden taught painting at the Royal College of Art from 1958 to 1964, and was the first woman tutor in the Painting School.