Premierships - B Colts
| 1968 | University | 1983 | Scarborough | 1998 | Whitford |
| 1969 | Belmont | 1984 | West Coast | 1999 | Whitford |
| 1970 | Victoria Park | 1985 | West Coast | 2000 | Whitford |
| 1971 | Mt Hawthorn West Perth | 1986 | West Coast | 2001 | Whitford |
| 1972 | W.A.I.T | 1987 | C.B.C | 2002 | Wembley |
| 1973 | Osborne Park | 1988 | Collegians Old Scotch | 2003 | West Coast Cowan |
| 1974 | Nollamara | 1989 | Collegians Old Scotch | ||
| 1975 | North Beach | 1990 | Collegians Old Scotch | ||
| 1976 | North Beach | 1991 | Collegians Old Scotch | ||
| 1977 | Bayswater | 1992 | Swan Athletic | ||
| 1978 | North Fremantle | 1993 | Swan Athletic | ||
| 1979 | Collegians | 1994 | University | ||
| 1980 | North Fremantle | 1995 | University | ||
| 1981 | North Beach | 1996 | C.B.C | ||
| 1982 | C.B.C | 1997 | Mt Lawley |
