The 2021–22 Southern Counties East Football League season was the 56th in the history of the Southern Counties East Football League, a football competition in England, and the sixth year the competition had two divisions, the Premier Division and Division One, at Steps 5 and 6 respectively in the English football league system.
The league constitution for this season was based on allocations for Steps 5 and 6 that were announced by The Football Association on 18 May 2021, and were subject to appeal.
[1][2] The allocations were confirmed on 19 June at the league's annual general meeting, conducted remotely.
[3] After the abandonment of the 2019–20 and 2020–21 seasons due to the COVID-19 pandemic in England, numerous promotions were decided on a points per game basis over the previous two seasons.
Division One comprised the 14 teams which competed when the previous season's competition was aborted, along with six new clubs: