Flood Alert Issued for Twyford and Hensting as Groundwater Levels Rise
This alert is no longer in effect.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 Twyford and Hensting in Hampshire due to rising groundwater levels, with cellar flooding already reported in some properties.
Read this weather record in 30 seconds
- Record type
- Flood Alert
- Affected area
- Hampshire, England
- 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 Hampshire, England.
Alert Details
The Environment Agency has issued a Flood Alert (Severity Level 3) for groundwater flooding in the Solent and South Downs area. The alert was officially raised on February 23, 2026, following a week where 31mm of rainfall was recorded.
Affected Areas
The primary areas affected include Twyford and Hensting within the county of Hampshire. Specific reports indicate that water is currently flowing on Hensting Lane, and a small number of properties in both Twyford and Hensting are already experiencing cellar flooding.
What You Should Do
Residents in the affected areas are advised to take the following precautions:
- Prepare and implement property resilience measures.
- Ensure that all flood pumps are installed and in good working order.
- Monitor local weather reports and groundwater levels closely.
Expected Conditions
Groundwater levels are currently rising slowly. While a small number of properties are currently impacted, a larger number of properties in Twyford could experience cellar flooding starting Thursday, February 26, 2026. If heavy rain occurs, water could begin to flow down the main road in Twyford within the next two weeks. Forecasts indicate that groundwater levels will likely continue to rise slowly into March.
Timeline
The alert is effective as of February 23, 2026. A period of dry weather is expected from Monday, February 23, through Wednesday, February 25. However, further rainfall between 15mm and 25mm is forecast for Thursday, February 26, into Friday, February 27. The Environment Agency will provide an update on this situation by 6:00 PM on March 2, 2026, or sooner if conditions change significantly.
Original source: Environment Agency Official Notice ↗
Related Flood Warnings
All Flood Warnings →Frequently Asked Questions
Common questions about this Environment Agency flood warning.