Liberal Democrats won the largest swing against a government since 1928.
Helen Morgan was elected to a majority of almost 6,000 after the 34.1 Percent swing in North Shropshire from the Tories to Lib Dems.
This was the only occasion this record has been broken in recent times, at Christchurch’s by-election in 1993.
Liberal Democrats won the largest swing against a government since 1928.
After the passing of the Conservative MP in the House, the Liberal Democrat Candidat Diana Maddock transformed a Tory majority with more than 23,000 members into a Lib Dem majority with over 16,000 members.
In 1997, the seat was won by the Tories.
Historical records do not contain by-elections in which the same person retained their seats as a member or a candidate of another party.
Douglas Carswell, a Tory MP and defectionist in the Clacton By-Election of 2014, won with an average swing 44%.
Helen Morgan was elected to a majority of almost 6,000 after the 34.1 Percent swing in North Shropshire from the Tories to Lib Dems.