After May 7
Liberal Democrats majority
Council size: 55 seats · 55 up on May 7
Council · London borough
Sutton
Liberal Democrats majority after May 7 2026. (Majority held)
What happened on May 7
Seats won and overall control
Reform UK
2 of 55 seats
Won 2 on May 7 · had 0 before
Next election
May 2030
Whole council every 4 years (London cycle).
Post-May 7 composition
Every party's seat count on the new council
Pre-May-7 composition is the latest OCD snapshot of who held each seat; post is pre minus seats up plus actual winners.
How accurate was the model here?
Our 7 May 2026 forecast for Sutton
Locked, sha256-witnessed forecast scored against the actual count. See the full national accuracy audit →
Our locked May 7 forecast
The pre-election prediction
This is the seats-on-the-ballot projection we published before polls opened, used here for accuracy comparison only.
All wards
Per-ward forecast vs actual
| Ward | Our top pick | Actual winner | Predicted share | Confidence |
|---|---|---|---|---|
| Beddington | Reform UK | Independent | 29.1% | medium |
| Belmont | Reform UK | Lib Dem | 32.5% | medium |
| Carshalton Central | Lib Dem | Lib Dem | 28.0% | medium |
| Carshalton South & Clockhouse | Lib Dem | Lib Dem | 47.1% | medium |
| Cheam | Reform UK | Lib Dem | 30.4% | medium |
| Hackbridge | Labour | Lib Dem | 28.7% | medium |
| North Cheam | Reform UK | Lib Dem | 30.2% | medium |
| South Beddington & Roundshaw | Reform UK | Lib Dem | 35.7% | medium |
| St Helier East | Lib Dem | Lib Dem | 33.6% | medium |
| St Helier West | Conservative | Reform UK | 35.4% | medium |
| Stonecot | Lib Dem | Lib Dem | 28.2% | medium |
| Sutton Central | Lib Dem | Lib Dem | 54.8% | medium |
| Sutton North | Reform UK | Lib Dem | 34.3% | medium |
| Sutton South | Reform UK | Lib Dem | 34.2% | medium |
| Sutton West & East Cheam | Reform UK | Lib Dem | 33.0% | medium |
| The Wrythe | Lib Dem | Lib Dem | 30.0% | medium |
| Wallington North | Reform UK | Lib Dem | 28.2% | medium |
| Wallington South | Lib Dem | Lib Dem | 32.9% | medium |
| Worcester Park North | Conservative | Lib Dem | 25.9% | medium |
| Worcester Park South | Conservative | Lib Dem | 35.6% | medium |