Southampton - 2026 Local Election Projections

No party is projected to win a majority on Southampton Council, with Labour winning the most seats (22 of 51).

6
22
8
12
26 for majority
PartyProjectedCurrentChange
Conservative6 (5-9)9-3
Labour22 (21-25)31-9
Liberal Democrats8 (7-9)7+1
Green2 (1-3)20
Reform UK12 (7-12)1+11
Others1 (1-2)10

Key changes: +11 Ref, -9 Lab, -3 Con

Election type: Elects by thirds - approximately a third of 51 seats up for election

Control: No overall control

Probability of control change: 97%

Last election (2024)

Conservative 3, Labour 12, Liberal Democrats 2

Conservative 30.1% Labour 40.4% Liberal Democrats 12.5% Green 9.3% Reform UK 3.5% Others 4.2%

Key battleground wards

Election data from Open Council Data. Ward estimates from Britain Elects. Electoral information from Democracy Club. Boundary data contains OS data © Crown copyright and database right.

If you spot a data or election error, please let us know.