Peter Farmer designed for most major ballet companies. His designs include Swan Lake (Royal Winnipeg Ballet), The Tales of Hoffmann (Hong Kong Ballet), The Nutcracker (Rome Opera House), Anna Karenina (Australian Ballet), La Sylphide (London City Ballet), Coppélia (National Ballet of Portugal), Winter Dreams (Royal Ballet) and The Nutcracker (English National Ballet). His work for Birmingham Royal Ballet included Giselle, The Dream, Paquita, Theme and Variations, Dorian Gray, Les Sylphides, Coppélia and Birthday Offering. He designed MacMillan's Manon for Vienna State Opera. He was also a successful painter and had numerous one-man exhibitions.