Labour
Conservative
2001
-12.1%
1997
-6.2
1955
-5.7
1974 Oct
-5.3
1970
-3.8
1983
-3.3
1964
-1.6
1951
-1.5
2019
-1.5
1966
-1.3
Labour
Conservative
1974
Oct
0
2001
1997
1955
1970
1983
1964
1951
2019
1966
-1.3
-1.5
-1.5
-1.6
-3.3
-3.8
-5
-5.3
-5.7
-6.2
-10
-12.1