PREMIERSHIPS
H GRADE (JACK ROBSON MEMORIAL TROPHY)
| 1977 | T.C Churchlands | 1988 | Swanborne | 2010 | Warnbro Swans |
| 1978 | Muresk | 1989 | Wembley | ||
| 1979 | Swanborne | 1990 | University | ||
| 1980 | St Norberts | 1991 | Ocean Ridge | ||
| 1981 | Coolbinia Yokine | 1992 | Rockingham | ||
| 1982 | Applecross | 1993 | Forrestfield | ||
| 1983 | Mt Lawley | 1994 | Dianella Morley | ||
| 1984 | Scarborough | 1995 | East Fremantle | ||
| 1985 | Innaloo | 1996 | West Coast | ||
| 1986 | Dianella | 1997-2008 | No Competition | ||
| 1987 | Girrawheen | 2009 | North Fremantle |