 In the 1970s, Harwood developed his stable to become one of the most modern in Britain, introducing such innovations as artificial gallops, American-style barns and a computerised office system.He trained many winners there, including Dancing Brave, winner of the 1986 Prix de l'Arc de Triomphe and European Horse of the Year for 1986.In 1996 his daughter, Amanda Perrett, took over the reins at Coombelands.