Twenty largest swings from Labour to Liberal Democrats:
Redcar 21.8
Ashfield 17.2
Merthyr Tydfil and Rhymney 16.9
Barnsley East 14.0
St Albans 13.9
Bosworth 13.8
Norfolk North West 13.4
Pontypridd 13.3
Maidstone and The Weald 12.9
Hemel Hempstead 12.5
Selby and Ainsty 12.4
Hull North 12.2
Wycombe 11.9
Canterbury 11.5
Chelmsford 11.3
Normanton, Pontefract and Castleford 11.2
Sedgefield 11.0
Northampton South 11.0
Brent Central 11.0
Wellingborough 10.8
Sheffield Brightside and Hills 10.8
Leeds North West 10.8
(Actually that’s 22, but the bottom three are all tied.)
Twenty largest swings from Liberal Democrats to Labour:
Edinburgh West -11.4
Orpington -9.5
Renfrewshire East -8.0
Paisley and Renfrewshire North -8.0
East Ham -8.0
Dunbartonshire West -7.9
Glenrothes -7.7
Paisley and Renfrewshire South -7.6
Blaenau Gwent -7.1
Bradford West -6.5
Caithness, Sutherland and East -6.4
Haltemprice and Howden -6.1
Fife North East -6.1
Stirling -6.0
Glasgow South -5.9
Garston and Halewood -5.7
Lanark and Hamilton East -5.6
East Lothian -5.5
Blackburn -5.5
Cumbernauld, Kilsyth and Kirkintilloch East -5.4
It’s notable that thirteen of these swings were in Scotland.