The 2025 Gloucestershire County Council election took place on 1 May 2025 to elect members to Gloucestershire County Council in England. New boundaries applied and 55 seats were elected, two more than previously. This occurred on the same day as other local elections. The council was under no overall control prior to the election, being run by a Conservative minority administration. Following the election, the council remained under no overall control, but with the Liberal Democrats as the largest party. A minority Liberal Democrat administration subsequently formed to run the council.
In the 2021 election, the Conservatives won 28 seats, giving them a slim majority and control of the council. The Liberal Democrats were the second biggest party with 16 seats, followed by Labour with 5 seats and the Greens with 4 seats.
One by-election took place between the 2021 and 2025 elections:
In February 2022, councillor Alastair Chambers of Coney Hill and Matson left the Conservative Party following legal proceedings alleging he had breached the Animal Welfare Act, serving the rest of his term as an independent conservative. In May 2024, councillor Sue Williams of Bisley and Painswick left the Conservatives and joined the Green Party, citing disagreements on key policy positions such as the treatment of asylum seekers and the inaccessibility of the benefits system. Williams' resignation reduced the Conservatives to 26 seats and brought the council into no overall control. Williams rejoined the Conservatives in February 2025.
In the 2024 general election, the Conservatives lost all but one of their Gloucestershire seats, retaining North Cotswolds and losing five seats to Labour, who gained Forest of Dean, Gloucester and Stroud, and the Liberal Democrats, who gained Cheltenham and Tewkesbury as well as winning the new South Cotswolds seat. In October 2024, councillor Nick Housden of Stonehouse was suspended from the Conservative Party following undisclosed serious allegations against him, which he has denied. It was claimed that he had moved to the Netherlands, but in December, Housden refused to resign and stated that he was considering standing for election again, but that he was undecided where he would run and for what party.
The Local Government Boundary Commission for England began a review in 2023, since there was excessive variation in the number of electors per councillor. Their recommendations, which came into effect at the 2025 election, increased the number of councillors from 53 to 55 and changed the boundaries of 39 electoral divisions.
Prior to the election the council was under no overall control, being run by a Conservative minority administration led by Stephen Davies. The council remained under no overall control following the election, but with the Liberal Democrats becoming the largest party. The Conservatives were left with just six seats, falling back to be the fourth largest party on the council after the Liberal Democrats, Reform UK and the Green Party. A minority Liberal Democrat administration formed with informal support from Labour (whose only councillor was made chairman of the council) and the Greens. Liberal Democrat councillor Lisa Spivey was formally appointed as the new leader of the council at the subsequent annual council meeting on 21 May 2025.
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