Division 1 remained at sixteen teams and Lancing was promoted from Division 2. Division 2 was increased to sixteen teams with Burgess Hill joining. from which the winner would be promoted into Division 1.
Division One
The division featured 16 clubs, 15 which competed in the last season, along with one new club:
Source: Non-League Matters Rules for classification: 1) points; 2) goal difference; 3) number of goals scored. The points system until the 1982–83 season: 2 points for a win, 1 point for a draw and 0 points for losing.
Division Two
The division featured 16 clubs, 14 which competed in the last season, along with two new clubs:
Brighton Old Grammarians, relegated from last season's Division One
Source: Non-League Matters Rules for classification: 1) points; 2) goal difference; 3) number of goals scored. The points system until the 1982–83 season: 2 points for a win, 1 point for a draw and 0 points for losing.