Prior to the election, the council was under Conservative control, led by councillor Richard Roberts of King's Langley. Following the election the council went under no overall control, with the Liberal Democrats being the largest party. They subsequently formed a minority administration, with Liberal Democrat councillor Steve Jarvis of Royston West and Rural being appointed the new leader of the council at the subsequent annual council meeting on 20 May 2025.
Map showing the results of the 2021 council election
In the 2021 election, the Conservatives won 46 seats, giving them a majority and control of the council. The Liberal Democrats were the second biggest party with 23 seats, followed by Labour with 7 seats and the Greens with 1 seat. The Hemel Hempstead South East seat was won by Jan Maddern, a former Conservative who ran as an independent. The council leader, Conservative councillor Richard Roberts of King's Langley, was elected on 25 May 2021.
Several by-elections took place between the 2021 and 2025 elections:
Division
Date
Incumbent
Winner
Cause
Ref.
Hitchin South
10 March 2022
Liberal Democrats
Paul Clark
Liberal Democrats
Keith Hoskins
Death
Hitchin North
9 February 2023
Labour
Judi Billing
Labour
Ian Albert
Death
Harpenden Rural
7 December 2023
Conservative
Annie Brewster
Liberal Democrats
Allison Wren
Appointed High Sheriff of Hertfordshire
Bedwell
29 August 2024
Labour
Sharon Taylor
Labour
Ellie Plater
Resigned after receiving a peerage and appointed to the House of Lords
In July 2024, councillor Sara Bedford of Abbots Langley left the Liberal Democrats after a dispute with local party leadership and served the rest of her term as an independent. In the 2024 general election, the Labour Party won seven of the Hertfordshire seats from the Conservatives (Hemel Hempstead, Hertford & Stortford, Hitchin, North East Hertfordshire, Stevenage, Watford and Welwyn Hatfield). The Liberal Democrats won the new seat of Harpenden and Berkhamsted and retained St Albans while the Conservatives retained Broxbourne, Hertsmere and South West Hertfordshire. Overall, of the Hertfordshire seats, Labour won seven, the Conservatives won three and the Liberal Democrats won two. That same month, councillor Ron Tindall of Hemel Hempstead St Paul's was the recipient of misconduct allegations, which he denied. An independent report released in October concluded that Tindall had "made various misogynistic remarks which were completely inappropriate and disrespectful to women" as well as "creat[ing] an uncomfortable and intimidating environment for the complainant to such an extent that they didn’t feel comfortable being left alone in a room with [him]". He was suspended from the Liberal Democrat group on the county council in March 2025.
In October 2024, councillor James Bond of Hatfield North died following a long illness, leaving the seat vacant. No by-election was held. In December, councillor Michelle Vince of Borehamwood North resigned from the Labour Party after being deselected as the candidate for her ward in the upcoming election, serving the rest of her term as an independent. In January 2025, councillor Sunny Thusu of Haldens had the whip removed after it was revealed that he had cheated on his medical school exams in 2023. He was subsequently expelled from the Conservative group on the council and sat the rest of his term as an independent. In March 2025, councillor Graham McAndrew of Bishop's Stortford Rural left the Conservatives and joined Reform UK.
After 2021 election
Before 2025 election
Conservative
46
Conservative
42
Liberal Democrats
23
Liberal Democrats
22
Labour
7
Labour
6
Green
1
Green
1
Independent
1
Independent
5
Reform
0
Reform
1
Vacant
—N/a
Vacant
1
December 2021: Paul Clark (Liberal Democrats) dies – by-election held March 2022
March 2022: Keith Hoskins (Liberal Democrats) wins by-election, holds Hitchin South
November 2022: Judi Billing (Labour) dies – by-election held February 2023
February 2023: Ian Albert (Labour) wins by-election, holds Hitchin North
October 2023: Annie Brewster (Conservative) resigns – by-election held December 2023
December 2023: Allison Wren (Liberal Democrats) wins by-election, gains Harpenden Rural from Conservatives
July 2024: Sharon Taylor (Labour) resigns – by-election held August 2024; Sara Bedford (Liberal Democrats) leaves party to sit as an independent
August 2024: Ellie Plater (Labour) wins by-election, holds Bedwell
October 2024: James Bond (Conservative) dies – seat left vacant until 2025 election
January 2025: Sunny Thusu (Conservative) suspended from party; Michelle Vince (Labour) leaves party to sit as an independent
March 2025: Ron Tindall (Liberal Democrats) suspended from party; Graham McAndrew (Conservative) leaves party to join Reform UK
Reflecting national trends, Reform UK experienced a significant increase in representation, winning 14 seats, the party's first-ever elected seats in the county council's elections. The Conservatives lost over half its seats and overall control of the council, bringing an end to 26 years of majority rule. The Liberal Democrats emerged as the largest party on the council for the first time in the council's history. The Green Party won 5 seats, an increase of 4, and Labour made a net loss of 2 seats, despite gaining several seats from the Conservatives. No party achieved a majority, bringing the council into no overall control. After the election, the Liberal Democrats formed a minority administration. On 20 May, they appointed councillor Steve Jarvis of Royston West and Rural as leader of the council and councillor Laurence Brass of Bushey North as chairman of the council.
On 10 May, the Reform UK councillors appointed councillor Doug Bainbridge of Old Stevenage as their group leader on the council, with councillor David Herring of Hemel Hempstead North West being appointed as their deputy leader. The Green Party also appointed a new group leader, councillor Kirsty Taylor-Moran of Ware North, and deputy leader, councillor Matt Fisher of St Albans Central. On 20 May, the day of the council's annual meeting, councillor Tina Bhartwas of Letchworth North left the Labour Party and joined the Liberal Democrats, citing dissatisfaction over the policies of the national Labour government. Councillor Nigel Bell of West Watford, the leader of the council's Labour group, called Bhartwas' move a "blow", while Conservative group leader councillor Richard Roberts of King's Langley criticised Bhartwas, claiming that she had "betrayed" her residents and calling for her to resign and face a by-election.
On 7 October, councillor Caroline Clapper of Watling left the Conservative Party and joined Reform UK. She rejected calls for her to resign and face a by-election, stating it would cause a "significant and unnecessary cost to the taxpayer". In February 2026, councillor Peter Colley of Bedwell left Reform UK and joined Restore Britain. In March 2026, councillor Tony Hill of Flamstead End and Turnford resigned with no reason given, a by-election for his seat will be held on 7 May alongside the elections to Broxbourne Borough Council.
2025 Hertfordshire County Council election
Liberal Democrats
78
31
10
2
8
39.7
26.1
74,749
–0.4
Conservative
78
22
0
24
24
30.7
25.9
74,099
–17.4
Reform
78
14
14
0
14
17.9
24.2
69,090
+24.0
Labour
78
5
2
4
2
6.4
13.4
38,389
–7.8
Green
77
5
4
0
4
6.4
9.3
26,532
+1.8
Independent
5
1
0
0
1.3
0.9
2,649
+0.1
TUSC
19
0
0
0
0.0
0.1
181
–0.1
CPA
3
0
0
0
0.0
<0.1
93
–0.1
British Democrats
1
0
0
0
0.0
<0.1
87
N/A
Heritage
3
0
0
0
0.0
<0.1
62
±0.0
Transform
1
0
0
0
0.0
<0.1
33
N/A
UKIP
1
0
0
0
0.0
<0.1
28
-0.1
Communist
1
0
0
0
0.0
<0.1
25
N/A
Alliance for Democracy and Freedom (UK)
1
0
0
0
0.0
<0.1
24
±0.0
The Borough of Broxbourne shown within Hertfordshire
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