Isthmian League

Premier Division Play Off Winners, Promoted 2022

South Central Division Play Off Winners, Promoted 2019
Division 2 Winners 2003
Division 2 Runners-up 1982
Division 3 Runners-up 1994
Division 3 Promoted 1999
Isthmian League Associate Members Trophy Runners-up 2003

Athenian League

Champions 1976
Runners-up 1974
Division 1 Winners 1968
Division 2 Runners-up 1966
Athenian League Challenge Cup Winners 1975, 1976

Spartan League

Champions 1963
Saprtan League Challenge Cup Winners
1964, 1933, Runners-up 1990

London League

Champions 1950, Runners-up 1957
Division 1 Winners 1948, 1949
Division 1 Runners-up 1947
London League Challenge Cup Runners-up 1959
London League Division 1 Cup Winners 1947
London Charity Cup Winners 1974

County Cups

Herts FA Senior Cup Winners 2022
Herts FA Senior Cup Runners-up 1949, 1950, 1969, 1970, 1972, 1974, 2003, 2009, 2010
Herts FA Charity Cup Winners 2006, 2008, 2017
Runners-up 1971, 1975, 1981, 2004, 2011
Herts FA Senior Charity Shield Winners 1947, 1966
Runners-up 1953, 1954, 1955, 1964, 1965

East Anglia Cup

Winners 1975, Runners-up 1976

Mithras Floodlit Cup

Winners 1970, Runners-up 1976

Roy Bailey Memorial Trophy

Winners 1991, 1995, 1998, 1999, 2000, 2002, Runners-up 2003, 2007

Waltham Hospital Cup

Winners 1947, 1948, 1953, 1956, 1962, 1980, 1981, 1982, Runners-up 1952, 1959, 1979, 1983, 1985