 In 1903 Joel purchased the Maiden Erlegh Estate in Earley, near Reading in Berkshire.In 1922 he purchased the racing establishment at Moulton Paddocks, Newmarket, after the death of its then owner, Sir Ernest Cassel.He and his brother Jack Barnato Joel had a long running rivalry on the turf as owners, with Jack having the greater success over the years including 2 Epsom Derby winners, Sunstar and Humorist.