The 1946–47 season saw the club finish as undefeated winners of the First Division of the Cardiff & District League.
In the 1949–50 season Grange Albion became the first Cardiff & District team to win the South Wales & Monmouthshire Amateur Cup, a feat which they repeated in 1988 and 2001.
The 1987–88 season was one of the most successful in the club's history as it won both the Cardiff & District Premier Division and the SWFA Intermediate Cup as well as being runners-up in the Lord Ninian Stuart Cup Grange Albion went on to retain the Premier Division title in 1988–89.
Bruty Cup with a 4–1 win over Tredomen Athletic at Somerton Park Newport.
[1] Over the years a number of former players have gone on to play professionally including Fred Stansfield, Graham Vearncombe, David Giles, Matteo Pulvirenti and Melvyn Rees.