Percentage point swing
Lab to Lib Dem 1983 Bermondsey
44.2
Con to Ukip 2014 Clacton
44.1
Lab to SNP 1967 Hamilton
37.9
Lab to Respect 2012 Bradford West
36.6
Con to Lib Dem 1993 Christchurch
35.4
Con to Lib Dem 2021 North Shropshire
34.2
Would need to win
Con to Lib Dem 2022 Tiverton and Honiton
23
Con to Lab 2022 Wakefield
4
Percentage point swing
Lab to Lib Dem 1983 Bermondsey
44.2
Con to Ukip 2014 Clacton
44.1
Lab to SNP 1967 Hamilton
37.9
Lab to Respect 2012 Bradford West
36.6
Con to Lib Dem 1993 Christchurch
35.4
Con to Lib Dem 2021 North Shropshire
34.2
Would need to win
Con to Lib Dem 2022 Tiverton and Honiton
23
Con to Lab 2022 Wakefield
4