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Hartlepool constituency | |||||||||||||||||||||||||||||
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Turnout | 42.7% (15.2 pp) | ||||||||||||||||||||||||||||
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A by-election for the House of Commons constituency of Hartlepool in the former county of Cleveland, England, was held on 6 May 2021. The by-election was triggered following the resignation of Labour Member of Parliament (MP) Mike Hill, who resigned over allegations of sexual harassment.[1] It was held on 6 May 2021 alongside elections to the Borough Council, Tees Valley Mayor, and Cleveland Police and Crime Commissioner.[2]
This was the first by-election to the parliament elected in 2019.[3] The 21-month gap between the last by-election in Brecon and Radnorshire in August 2019 and the polling day of the by-election in Hartlepool was the longest since the Second World War. The 21-month gap was partially attributed to the COVID-19 pandemic.[4]
The Conservative candidate, Jill Mortimer, won the by-election with 51.9% of the vote and a swing from Labour of almost 16%.[5] It became only the second time since 1982 that the UK governing party gained a seat in a by-election,[5] and was the first Conservative win in the constituency since its creation in 1974, with a majority of 6,940 votes.[6]