Peter Howell taught Classics in the University of London for 35 years. He was Chairman of the Victorian Society in 1987-1993. He is a former member of the Department of Art and Architecture of the Liturgy Commission (1977-84), and of the English Heritage Churches Committee (1984-8). He has been a member of the Westminster Cathedral Art and Architecture Committee since 1974. His book John Francis Bentley was published in 2020.