Portsmouth Council Election 2026 Predictions

No party is projected to win a majority on Portsmouth Council, with Reform UK winning the most seats (20 of 42).

4
16
20
21 for majority
PartyProjectedCurrentChange
Conservative2 (2-3)4-2
Labour4 (4-5)9-5
Liberal Democrats16 (15-18)18-2
Reform UK20 (18-21)10+10
Others0 (0-0)1-1

Key changes: +10 Ref, -5 Lab, -2 Con

Election type: Elects by thirds - approximately a third of 42 seats up for election

Control: No overall control

Probability of control change: 6%

Last election (2024)

Conservative 1, Labour 2, Liberal Democrats 7, Others 4

Conservative 16.2% Labour 27.7% Liberal Democrats 26.7% Green 4.9% Reform UK 1.0% Others 23.4%

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.