After winning the Premier Division of the Anglian Combination for a fifth time in 1987–88, Wroxham moved up to the newly formed Division One of the Eastern Counties League. They won the division in its inaugural season, beating Halstead Town to the title on goal difference, and were promoted to the Premier Division. After finishing twelfth in their first season in the Premier Division, the club finished eighth or higher in each of the next 22 seasons, winning the division for the first time with a record 99 points in 1991–92. The 1992–93 was the club's centenary, and saw them beat their record by retaining the league title with 100 points, as well as winning the League Cup and the Norfolk Senior Cup. In 1993–94 they won a third consecutive Premier Division title. After a gap of two seasons, the club won the Premier Division again in 1996–97 with 109 points, a season in which they also won the Senior Cup. They retained the title and the Senior Cup in 1997–98, before winning the league for a third time in a row in 1998–99.