River Levels
River Levels

Groundwater flooding in South East London

Flood alert

Groundwater levels in East Surrey and South London rose during the winter following higher than average rainfall. Levels continued rising until late March and remained high in April. The Caterham Bourne is in flow since mid-March and is still flowing in the Whyteleafe and Kenley area, and the Environment Agency is monitoring the levels and flow of the Bourne in Kenley Bourne Park.

However, groundwater levels across the area have now started to fall, although some properties with deep basements in and around Purley and low-lying land near the Caterham Bourne could still experience flooding.

Whilst property and garden flood risks have reduced, riparian owners are reminded to keep clear any sections of river that flow through their land. The Environment Agency is monitoring the situation alongside Surrey County Council, Tandridge District Council and the London Borough of Croydon. We will update this message on Thursday 23 May 2024, or sooner if the situation changes.

Information supplied by the Environment Agency

This information last updated 4:31pm, Tuesday 14th May.

Flood Warning Area Details

Areas at risk from Groundwater flooding including Caterham Bourne, Coulsdon Bourne, Beddington, Carshalton, Coulsdon, Kenley, Purley, South Croydon, Whyteleafe, Bromley, Bexley, Greenwich and Lewisham

Region: Kent, South London and East Sussex

Country: England

Counties covered: Barking and Dagenham, Bexley, Bromley, Croydon, Greater London, Greenwich, Havering, Kent, Kingston upon Thames, Lambeth, Lewisham, Merton, Newham, Southwark, Surrey, Sutton, Wandsworth

Watercourses covered: Groundwater

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Groundwater flooding in South East London.

Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).

Other Nearby Flood Warning Locations

Beck at Beckenham
Beck at Beckenham, London Borough of Bromley

No current or recent warnings.

Chaffinch Brook and St James Stream at Elmers End
Chaffinch Brook and St James Stream at Elmers End and Upper Elmers End, including South Norwood Country Park, London Boroughs of Bromley and Croydon

No current or recent warnings.

Ravensbourne at Bromley
Ravensbourne at Bromley Including Ravensbourne East Branch at Southborough, London Borough of Bromley

No current or recent warnings.

Ravensbourne area in the London Boroughs of Lewisham, Bromley, Greenwich and Croydon
Ravensbourne area in the London Boroughs of Lewisham, Bromley, Greenwich and Croydon. Including the River Quaggy, Kyd Brook, Chaffinch Brook and Pool River

No current or recent warnings.

Pool River at Bell Green and New Beckenham
Pool River at Bell Green and New Beckenham, London Boroughs of Lewisham and Bromley

No current or recent warnings.

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