In 1984 Merstham transferred to the Surrey-centred Combined Counties League to reduce their travelling. They were runners-up in 1987–88 and 1989–90, a season that also saw them win the Elite Cup. When the league gained a second division in 2003, Merstham became members of the Premier Division. After winning the Premier Challenge Cup in 2004–05 and finishing as runners-up in the Premier Division in 2005–06 and 2006–07 (also winning the Premier Challenge Cup and the Southern Combination Challenge Cup), the 2007–08 season saw the club win the Premier Division title, the Premier Division Cup and the Surrey Senior Cup.