After May 7
No overall control. Conservative largest party
Council size: 58 seats · 58 up on May 7
Council · London borough
Wandsworth
No overall control. Conservative largest party after May 7 2026. (Majority lost, previously Labour)
What happened on May 7
Seats won and overall control
Reform UK
0 of 58 seats
Won 0 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 Wandsworth
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 |
|---|---|---|---|---|
| Balham | Reform UK | Conservative | 30.0% | medium |
| Battersea Park | Reform UK | Labour | 31.1% | medium |
| East Putney | Reform UK | Conservative | 30.9% | medium |
| Falconbrook | Labour | Labour | 41.4% | medium |
| Furzedown | Reform UK | Labour | 30.4% | medium |
| Lavender | Conservative | Conservative | 32.5% | medium |
| Nine Elms | Reform UK | Conservative | 25.2% | medium |
| Northcote | Conservative | Conservative | 34.1% | medium |
| Roehampton | Labour | Labour | 31.3% | medium |
| Shaftesbury & Queenstown | Labour | Labour | 31.2% | medium |
| South Balham | Labour | Labour | 25.5% | medium |
| Southfields | Conservative | Conservative | 26.1% | medium |
| St Mary's | Reform UK | Conservative | 30.0% | medium |
| Thamesfield | Reform UK | Conservative | 33.2% | medium |
| Tooting Bec | Labour | Labour | 33.6% | medium |
| Tooting Broadway | Labour | Labour | 40.5% | medium |
| Trinity | Labour | Labour | 31.7% | medium |
| Wandle | Labour | Labour | 32.4% | medium |
| Wandsworth Common | Reform UK | Conservative | 32.0% | medium |
| Wandsworth Town | Reform UK | Labour | 31.4% | medium |
| West Hill | Independent | Independent | 35.5% | medium |
| West Putney | Conservative | Conservative | 35.0% | medium |