The Conservatives twice followed local election victories in the 1980s with bigger general election wins
Conservative
Labour
Lib/SDP
44
43
40
39
38
30
20
10
0
May ‘83
June ‘83
May ‘87
June ‘87
Conservative
Labour
Lib/SDP
44
43
40
39
38
30
20
10
0
May ‘83
June ‘83
May ‘87
June ‘87