As Leyton FC (1868-1894)
FA Cup Second Round: 1875/6
FA Cup First Round: 1874/5, 1876/7, 1878/9
As Matlock Swifts (1887-1895)
Essex Junior Cup Winners: 1893/4
London Junior Cup Winners: 1894/5
Leyton & District Alliance Champions: 1892/3, 1893/4
Herald Cup Winners: 1891/2
As Leyton FC (1876-1904)
Essex Senior Cup: 1896/7, 1897/8, 1899/0, 1900/1, 1901/2, 1902/3
London Senior Cup Winners: 1903/4
South Essex League Champions: 1895/6, 1876/7, 1899/0, 1899/0
Walthamstow Charity Cup Winners: 1896/7
Walthamstow Charity Cup Runners-Up: 1897/8, 1901/2
West Ham Charity Cup Runners-Up: 1900/1
As Leyton FC (Professional) (1904-1912)
FA Cup Third Round: 1909/10
FA Cup First Round: 1910/1, 1911/2
London Challenge Cup Runners-Up: 1908/9
Southern League Division 2 Runners-Up: 1905/6
As Leyton FC (1919-1976)
FA Amateur Cup Winners: 1926/7, 1927/8
FA Amateur Cup Runners-Up: 1928/9, 1933/4, 1936/7, 1951/2
FA Cup Second Round: 1925/6, 1929/30, 1951/2
FA Cup First Round: 1927/8, 1928/9, 1952/3, 1955/6
Athenian League Champions: 1928/9, 1965/6, 1966/7
Essex Senior Cup Winners: 1929/30, 1930/1, 1934/5
Essex Senior Cup Runners-Up: 1932/3, 1949/50
London Senior Cup Runners-Up: 1933/4, 1937/8, 1945/6
London Challenge Cup Runners-Up: 1927/8
London League Champions: 1923/4, 1925/5, 1925/6
Essex Thameside Trophy Winners: 1951/2, 1963/4, 1966/7
Essex Thameside Trophy Runners-Up: 1964/5, 1972/3
East Anglian Cup Winners: 1972/3
Grays & Tilbury Cup Winners: 1939/40, 1941/2 (shared)
Grays & Tilbury Cup Runners-Up: 1942/3
London Charity Winners: 1934/5, 1936/7
London Charity Runners-Up: 1932/3, 1946/7, 1966/7, 1970/1
West Ham Charity Cup Winners: 1929/30
West Ham Charity Cup Runners-Up: 1924/5, 1925/6
Leyton & Walthamstow Hospital Cup Winners: 1925/6
As Leyton-Wingate FC (1976-1992)
FA Cup First Round: 1985/6
Athenian League Champions: 1981/2
Athenian League Division One Champions: 1976/7
Essex Senior Trophy Winners: 1984/5
Isthmian League Division Two (N) Champions: 1984/5
As Pennant FC and Walthamstow Pennant FC (1965-1995)
London Senior Cup Runners-Up: 1990/1
London Junior Cup Winners: 1974/5
SW League Junior Cup Winners: 1968/9
SW League Intermediate Cup Winners: 1969/70
SW League Senior Cup Winners: 1970/71
SW League Premier League Winners: 1972/3
London Metropolitan League Winners: 1974/5
London Metropolitan League Runners-Up: 1978/9, 1979/80, 1981/2
London Metropolitan League Intermediate Cup Runners-Up: 1977/8, 1978/9
Spartan Reserve League Winners: 1980/1, 1990/1
Spartan Reserve League Runners-Up: 1987/8
Spartan Reserve League Cup Winners: 1980/1, 1988/9, 1990/1
As Waltham Forest FC and Leyton Pennant FC (1995-2018)
Essex Senior Cup Winners: 2005/6
London Challenge Cup Runners-Up: 1995/6, 1996/7
Essex Senior Trophy Winners: 1995/6
Eastern Floodlit Cup Winners: 1997/8, 1998/9
Essex & Herts Champion’s Cup Winners: 1996/7
Essex & Herts Border Comb Cup Winners: 1996/7
London Intermediate Cup Runners-Up: 1996/7
Suburban League Division Winners: 2005/6
Essex Veterans Cup Winners: 2017/8
As Walthamstow FC (2018 – Present)
Len Cordell Trophy Plate Winners: 2020/1
Essex Senior League Winners: 2021/2
Essex Alliance Senior Division Cup Winners: 2023-24
Youth Teams
EJA Under 18s Trophy Winners: 2003/4
EJA Under 15s Trophy Runners-Up: 2014/5
Conference Youth League: Winners: 2005/6
Essex Pelly Cup Runners-Up: 2005/6
EJA Under 15s League Cup Winners: 2021/2
JPL Under 15s National Cup Winners: 2021/2
Essex Andrews Cup Winners: 2023/4
Awards
London Borough of Waltham Forest Sports Team of the Year: 2006
Essex County FA Website of the Year: 2012
Essex Senior League Programme of the Year: 2017/8, 2021/2
Soccer Swap Shop League Programme of the Year: 2018/9, 2020/1, 2021/2, 2023/24 (Runner-up 2019/20)