A by-election took place in Godmanchester and Hemingford Abbots on 1 August 2019 after the resignation of Liberal Democrat councillor David Underwood.[2] The seat was held for the Liberal Democrats by Sarah Wilson.
Godmanchester & Hemingford Abbots by-election 1 August 2019[3]
A by-election took place in Alconbury on 12 December 2019 alongside the 2019 general election, following the resignation of Councillor Jim White.[4] The seat was held for the Conservative Party by Ian Gardener.
A by-election took place in the St Ives East ward on 13 February 2020, after the resignation of Conservative Party Councillor and Cambridgeshire Police and Crime CommissionerJason Ablewhite following his referral to the Independent Office for Police Conduct.[6] The seat was held for the Conservative Party by Adam Roberts.
A by-election took place in the Huntingdon North ward on 6 May 2021 alongside the 2021 local elections. The seat was held for the Labour Party by Marion Kadewere.
A by-election took place in the St Ives South ward on 6 May 2021 alongside the 2021 local elections, following the passing of Councillor John Davies.[9] The seat was held for the Conservative Party by Rianna D'Souza.
A by-election took place in the St Ives East ward on 6 May 2021 alongside the 2021 local elections, following the resignation of Councillor Richard Bellamy.[11] The seat was held for the Conservative Party by Craig Smith.
A by-election took place in the Warboys ward on 6 May 2021 alongside the 2021 local elections, following the passing of Councillor Jill Tavener.[13] The seat was held for the Conservative Party by Michael Haines.