Flood Alert Issued for Lower Lee Tributaries in North London and Hertfordshire

Source: Environment Agency · Hertfordshire and North London

This alert is no longer in effect.

Environment Agency issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this Environment Agency flood warning directly from Environment Agency's official public data feed. See our methodology for full source attribution and refresh cadence.

The Environment Agency has issued a flood alert for the Lower Lee tributaries, warning of rising river levels and potential flooding across parts of London, Hertfordshire, and Essex.

Read this weather record in 30 seconds

Record type
Flood Alert
Affected area
Hertfordshire and North London
Issued
April 6, 2026
Issuing authority
Environment Agency

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Hertfordshire and North London.

Alert Details

The Environment Agency has issued a flood alert for the Lower Lee tributaries. This alert indicates that flooding is possible due to rising river levels observed on the evening of February 15, 2026. The agency is currently monitoring the situation closely as water levels respond to recent conditions.

Affected Areas

The alert covers a broad geographic area including the following counties and boroughs:

  • Counties/Regions: Barnet, Enfield, Essex, Greater London, Haringey, Hertfordshire, Redbridge, and Waltham Forest.
  • Watercourses: Affected rivers and brooks include Ching Brook, Cobbins Brook, Nazeing Brook, Pymmes Brook, Salmons Brook, Turkey Brook, Small River Lee, Rags Brook, and Trinity Marsh Ditch.
  • Specific Locations: Areas most at risk include low-lying land and roads near rivers, specifically Church Road (Boundary Ditch), Chine Road Bridge, St Leonards Road, Elizabeth Close, Middle Street, Turkey Street, Slades Rise, Links Side, World's End, Nazeing, Enfield, and Lower Nazeing.

What You Should Do

Residents in the affected areas are advised to take the following precautions:

  • Avoid using low-lying footpaths near local watercourses.
  • Do not cross bridges located near the affected brooks and rivers.
  • Monitor local weather reports and water levels for further updates.

Expected Conditions

Rising river levels throughout the evening of February 15 are expected to lead to the flooding of low-lying land and roads. The Environment Agency has not specified exact accumulation or peak levels but notes that the situation is being actively monitored.

Timeline

The alert was officially raised at 4:41 PM on February 15, 2026. This message is scheduled to be updated by 9:00 AM on February 16, 2026, or sooner if the situation changes significantly.

Original source: Environment Agency Official Notice ↗

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Frequently Asked Questions

Common questions about this Environment Agency flood warning.

What is this Environment Agency flood warning about?
The Environment Agency has issued a flood alert for the Lower Lee tributaries, warning of rising river levels and potential flooding across parts of London, Hertfordshire, and Essex.
Which agency issued this alert?
This alert was issued by Environment Agency. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects Hertfordshire and North London. Check with Environment Agency for the most current geographic scope.
Where can I find more Flood Warnings updates?
Browse the full Flood Warnings feed on Areazine at areazine.com/uk/floods/ for the latest updates from Environment Agency and other agencies.