The Greater London Council was elected every three years from 1964 and every four years from 1973.
1964 Greater London Council election 1967 Greater London Council election 1970 Greater London Council election 1973 Greater London Council election (three year term extended to four) 1977 Greater London Council election 1981 Greater London Council election (four year term extended to five)
By-elections List of Greater London Council by-elections
References