Flood Alert Issued for Chertsey Bourne Area in Surrey and Berkshire

Alert Details

The Environment Agency has issued a flood alert for the Chertsey Bourne area. This alert, classified as severity level 3, was raised on February 27, 2026, following observations of high river levels on the Chertsey Bourne.

Affected Areas

The alert covers geographic regions including Surrey, Bracknell Forest, and Windsor and Maidenhead. Flooding is specifically expected to impact low-lying land and roads, particularly in areas of Chertsey situated close to the River Bourne. The alert also encompasses areas near The Moat.

What You Should Do

Residents and visitors are advised to avoid using low-lying footpaths and any bridges near local watercourses. The Environment Agency recommends checking current river levels online for real-time updates. Agency officials are currently liaising with emergency services and local authorities to monitor the situation.

Expected Conditions

High river levels are currently present on the Chertsey Bourne. Light rainfall is forecast for both today, February 27, and tomorrow, February 28. The Environment Agency continues to monitor both rainfall and river levels to assess the ongoing risk of flooding to low-lying areas.

Timeline

The alert was officially raised at 3:01 PM on February 27, 2026. Flooding of low-lying areas is expected to continue throughout the day. A formal update to this message is scheduled to be provided by 8:00 PM on February 28, 2026, or sooner if the situation changes significantly.