Southern League Division Two Champions:
1906, 1907

Elected to Football League:
1920

Fourth Division Runners-Up:
1971, 1977

Fourth Division League Champions:
1980

Promoted from Division Four:
1986, 1989

Third Division Runners-Up:
1990

Football League Trophy Runners-Up:
2004, 2005

League Two Play-Off Winners:
2005 - Beat Lincoln City 2-0 AET

League One Champions:
2006

Essex Professional Cup Winners
1950, 1953, 1954, 1955, 1957, 1962, 1965, 1967, 1972, 1973

Essex Senior Cup Winners
1983, 1991, 1997

Essex Thameside Trophy Winners
1990