[2] In 1949–50 the club joined the Premier Division of the South Essex League, but left after a single season.

In 1994–95 the club reached the first round of the FA Cup for the first time, losing 2–0 to Gillingham in a home match that was moved to Layer Road in Colchester.

A sixteenth-place finish in 2003–04 saw Heybridge play-off with St Albans City for a place in the new Conference South, but they lost 4–3.

[4] The club were Premier Division runners-up in 2005–06, qualifying for the promotion play-offs, in which they lost on penalties to Hampton & Richmond Borough in the semi-finals following a 1–1 draw.

[7] The club played at Bentall's Sports Ground from 1890 until being evicted in 1964 so a shopping centre could be built on the site.

[8] After playing at Sadd's Athletic for two seasons, the club moved to Scraley Road, formerly a carrot field, in 1966.

[10] In 1994 a covered terrace was erected, but it had to be dismantled and rebuilt the following year after the local council had declared it unsafe.