The following season he found his opportunities limited by the arrival of French winger Jean-Louis Valois and agreed a 6-month loan move to Alloa in January 2003. Initially this appeared to have benefited Sloan, as he made 15 first team appearances for Hearts when they finished third in the SPL in 2003–04 but he again slipped out of first team contention the following year.
The following season, he had fewer chances due to the arrival of French winger Jean-Louis Valois. He agreed a 6-month loan move to Alloa in January 2003. At first, Sloan appeared to benefit as he made 15 appearances for Hearts when they finished third in the SPL in 2003–04 but then fell out of contention the following year.