The list of by-elections in the United Kingdom is divided chronologically by parliament:
Parliament of the United Kingdom
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List of United Kingdom by-elections (1801–1806)
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List of United Kingdom by-elections (1806–1818)
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List of United Kingdom by-elections (1818–1832)
This is a list of parliamentary by-elections in the United Kingdom held between 1818 and 1832, with the names of the previous incumbent and the victor in the by-election.
In the absence of a comprehensive and reliable source, for party and fac ...
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List of United Kingdom by-elections (1832–1847)
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List of United Kingdom by-elections (1847–1857)
This is a list of parliamentary by-elections in the United Kingdom held between 1847 and 1857, with the names of the previous incumbent and the victor in the by-election and their respective parties. Where seats changed political party at the ele ...
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List of United Kingdom by-elections (1857–1868)
This is a list of parliamentary by-elections in the United Kingdom held between 1857 and 1868, with the names of the previous incumbent and the victor in the by-election and their respective parties. Where seats changed political party at the el ...
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List of United Kingdom by-elections (1868–1885)
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List of United Kingdom by-elections (1885–1900)
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List of United Kingdom by-elections (1900–1918)
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List of United Kingdom by-elections (1918–1931)
This is a list of parliamentary by-elections in the United Kingdom held between 1918 and 1931, with the names of the incumbent and victor and their respective parties. Where seats changed political party at the election, the result is highlighte ...
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List of United Kingdom by-elections (1931–1950)
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List of United Kingdom by-elections (1950–1979)
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List of United Kingdom by-elections (1979–2010)
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List of United Kingdom by-elections (2010–present)
This is a list of parliamentary by-elections in the United Kingdom since 2010, with the names of the incumbent and victor and their respective parties. Where seats changed political party at the election, the result is highlighted: blue for a Co ...
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By-elections to the House of Lords (hereditary peers)
Parliament of Great Britain
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List of Great Britain by-elections (1707–1715)
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List of Great Britain by-elections (1715–1734)
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List of Great Britain by-elections (1734–1754)
This is a list of parliamentary by-elections in Great Britain held between 1734 and 1754, with the names of the previous incumbent and the victor in the by-election.
In the absence of a comprehensive and reliable source, for party and factional ...
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List of Great Britain by-elections (1754–1774)
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List of Great Britain by-elections (1774–1790)
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List of Great Britain by-elections (1790–1800)
Parliament of England
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List of English by-elections (1689–1700)
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List of English by-elections (1701–1707)
Other parliaments
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List of by-elections to the Scottish Parliament
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List of by-elections to the National Assembly for Wales
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List of European Parliament by-elections in the United Kingdom
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List of Northern Ireland Parliament by-elections (1921–1972)
*''Northern Ireland Assembly vacancies are filled by co-option''
Local government
Local government by-election results are generally given on the page for the last election in that area, see
:Council elections in the United Kingdom
See also
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United Kingdom by-election records
Parliamentary by-elections in the United Kingdom occur when a Member of Parliament (MP) vacates a House of Commons seat (due to resignation, death, disqualification or expulsion) during the course of a parliament.
Scope of these records
Altho ...
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List of United Kingdom general elections
This is a list of United Kingdom general elections (elections for the UK House of Commons) since the first in 1802. The members of the 1801–1802 Parliament had been elected to the former Parliament of Great Britain and Parliament of Ireland ...
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:By-elections in British Overseas Territories
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