The River Ingrebourne at Harold Park and Hornchurch including Harold Wood, Upminster and Rainham.
See below for historical flood warnings, or use the live map to check the latest warnings across the UK.
The orange highlighted area on the map below outlines the area covered by this Flood Alert.
Number of historic Flood Alerts that have previously been recorded for this area.
Ingrebourne
Rising river levels this evening may lead to flooding. Flooding is possible from the evening of 08 January 2026 and overnight. Locations most affected will be low lying land and roads near rivers. We are closely monitoring the situation and checking rainfall and river levels. Take care and avoid walking, cycling or driving through flood water . Avoid low lying roads near rivers, which may be flooded. This message will be updated by 10:00AM on 09 January 2026 or as the situation changes.
Ingrebourne
Thunderstorms and heavy rainfall forecast overnight may lead to flooding. Flooding is possible overnight tonight, Friday 13th June until Saturday 14th June in the morning. Flooding is possible at locations near the Ingrebourne, with low lying land and roads expected to be most affected, particularly around Norfolk Rise; Hacton Lane; Rainham Trading Estate. Weather conditions are expected to improve from Saturday morning. We are continuously checking river levels and you are encouraged to monitor local weather conditions. Take care and avoid walking, cycling or driving through flood water. This message will be updated by 10am tomorrow, Saturday 14th June, or as the situation changes.
Ingrebourne
Flooding is possible as river levels are rising this morning due to heavy rainfall and snow melt. Flooding is possible from 11:30 AM on 05/01/2025. Flooding is forecast to affect locations near the Ingrebourne, with low lying land and roads expected to be most affected. No flooding to properties is currently expected. We expect river levels to remain high until this evening when we expect them to begin to fall. We are closely monitoring the situation and monitoring rainfall and river levels. Take care and avoid walking, cycling or driving through flood water and monitor local water levels and weather conditions. This message will be updated by 9:00 AM on 06/01/2025, or as the situation changes.
Ingrebourne
River levels are rising due to heavy rainfall overnight on Wednesday 27th November. Flooding is forecast to affect locations near the Ingrebourne, with low lying land and roads expected to be most affected, particularly around Norfolk Rise, Hacton Lane and Rainham Trading Estate. We are monitoring rainfall and river levels and are checking rivers for blockages in the area. Avoid using low lying footpaths and any bridges near local watercourses and do not attempt to walk or drive through flood water. This message will be updated by 6pm on Wednesday 27th November, or as the situation changes.
Ingrebourne
River levels are high but steady on the Ingrebourne due to heavy rainfall over the past 24 hours. Areas most at risk include Norfolk Rise; Hacton Lane and Rainham Trading Estate. Further rainfall is forecast throughout tthe day. We will continue to monitor levels closely. Avoid using low lying footpaths and any bridges near local watercourses and do not attempt to walk or drive through flood water. This message will be updated by 6:00 PM on 22/05/2024, or as the situation changes.
Ingrebourne
River levels are rising on the Ingrebourne. Areas most at risk include Norfolk Rise, Hacton Lane and Rainham Trading Estate. Potential further heavy rainfall is forecast throughout the evening. River levels are expected to remain high at the Harold Park and Gaynes Park gauge. We will continue to monitor rainfall and river levels closely. Avoid using low lying footpaths and any bridges near local watercourses and do not attempt to walk or drive through flood water. This message will be updated by 10:00 AM on 22/05/2024, or as the situation changes.
Ingrebourne
River levels are rising on the Ingrebourne due to rainfall throughout this evening, Thursday 4th January. No property flooding is expected. Flooding is possible at Norfolk Rise, Hacton Lane, and Rainham Trading Estate. River levels are forecast to rise at the Harold Park and Gaynes Park gauges. We will continue to monitor levels closely. Avoid using low lying footpaths and any bridges near local watercourses and do not attempt to walk or drive through flood water. This message will be updated by 10am on Friday 5th January, or as the situation changes.
Ingrebourne
River levels are high but steady on the River Ingrebourne in the Harold Park and Hornchurch areas because of persistent heavy rainfall today, Sunday 6 November. The risk of flooding to roads and low lying land is now reducing but river levels remain high. Further light rainfall is forecast this evening, Sunday 6 November and tomorrow, but we do not expect river levels to rise again as a result. We expect river levels to remain high overnight until tomorrow morning, Monday 7 November. We are closely monitoring the situation. Our incident response staff are monitoring rainfall and river levels and are checking rivers for blockages and clearing debris from structures. Please avoid using low lying footpaths near local watercourses as there may still be standing water in some locations. This message will be updated by 9am on Monday 7 November, or as the situation changes.
Ingrebourne
Heavy rain has fallen over London this morning, Sunday 6th November. Levels in the River Ingrebourne are rising in the Harold Park and Hornchurch areas. Flooding to low lying land, roads and riverside gardens is possible today. Flooding from surface water, where water gathers and flows off road surfaces, could also occur. We recommend you stay aware of local weather conditions and water levels. Consider putting your flood plan into action. You should avoid walking, cycling or driving through flood water. Further heavy rain is possible through the day. We are constantly monitoring rainfall and river levels and are checking rivers for blockages. We will update this message at 8pm today or earlier if the situation changes.
Ingrebourne
Heavy and persistent rain is forecast over east London overnight and into the early hours of tomorrow morning, Thursday 21 October. We expect river levels on the Ingrebourne to rise and minor flooding of low lying land, roads and gardens close to the river in the areas of Gaynes Park and Harold Park is possible. Flooding from surface water, where water gathers and flows off road surfaces, could also occur and cause issues during the Thursday morning rush hour. No flooding to properties is currently expected. Avoid walking, cycling or driving through flood water and follow any local diversion routes. We are constantly monitoring river levels and have staff on standby to attend to any blockages in the river. This message will be updated tomorrow morning or earlier if the situation changes.
Ingrebourne
River levels are rising on the River Ingrebourne at Harold Park and Hornchurch as a result of heavy rainfall. Flooding of roads and low lying land is possible from 1pm Friday 18 June. Further heavy rainfall is forecast throughout the day and river levels may continue to rise. We are closely monitoring the situation and will issue further updates or warnings if required. Our incident response staff are monitoring rainfall and river levels and are checking rivers for blockages. Please monitor local water levels and weather conditions. Consider putting your flood plan into action. You should avoid walking, cycling or driving through flood water. This message will be updated this evening, Friday 18 June, or as the situation changes.