A Flood Alert was issued for River Ingrebourne at Harold Park and Hornchurch in Essex, Greater London, Havering on 25th October 2026. Affected watercourses included the Ingrebourne.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Ingrebourne at Harold Park rose 0.63m, peaking at 1.61m, while the River Wid at Mountnessing climbed 0.54m.
Environment Agency advice issued
There is no longer a threat of flooding, though standing water and debris may still remain. Weather conditions are expected to improve. Further light rainfall is expected on Monday 26 October but no flooding is expected. We will continue to monitor the situation and will issue further alerts or warnings if necessary. Continue to take care on waterside roads and footpaths and don't put yourself in unnecessary danger.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Harold Park | River Ingrebourne | +0.63m | 1.61m |
| Mountnessing | River Wid | +0.54m | 0.95m |
| Abridge | River Roding | +0.40m | 1.43m |
| Shonks Mill Bridge | River Roding | +0.28m | 0.46m |
| Gaynes Park | River Ingrebourne | +0.26m | 0.41m |
| Collier Row | River Rom | +0.24m | 0.61m |
| Romford | River Rom | +0.24m | 0.59m |
| Hornchurch_Bretons Farm | River Beam | +0.21m | 0.33m |
| Crayford | River Cray | +0.20m | 0.40m |
| Seven Kings Park | Loxford Water | +0.16m | 0.26m |