[3] At the end of the 2017–18 season the club moved up to the newly created Division One South of the Eastern Counties League.

In 2021 the club were promoted to the Essex Senior League based on their results in the abandoned 2019–20 and 2020–21 seasons.

In 2002 White Ensign moved to the Len Forge Centre in Southend after being admitted to the Essex Olympian League.

[5] In order to move up to the Essex Senior League in 2018, the club relocated to Basildon Sporting Village, an athletics stadium originally known as the Gloucester Park Bowl.

[6] Ahead of the 2019–20 season, White Ensign entered a groundsharing agreement with Great Wakering Rovers at their Burroughs Park ground.