1971 – 72

Hillingdon

1972 – 73

West London

1973 – 74

East London

1974 – 75

East London

1975 – 76

Barnet

1976 – 77

Hounslow

1977 – 78

Ealing

1978 – 79

Ealing

1979 – 80

Hillingdon

1980 – 81

Hounslow

1981 – 82

 Competition not completed

1982 – 83

Hounslow