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Environment Agency Flood Warnings: How to Check Your Postcode and Sign Up for Alerts

The Environment Agency Flood Information Service tracks rivers, surface water and coastal flooding. Here is how to check your postcode, sign up for free alerts, and understand the alert levels.

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Chandraketu Tripathi
Finance Editor, Kaeltripton
Published 27 May 2026
Last reviewed 27 May 2026
✓ Fact-checked
Environment Agency Flood Warnings: How to Check Your Postcode and Sign Up for Alerts

Photo by Christian Wasserfallen on Pexels

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TL;DR

The Environment Agency Flood Information Service publishes live flood alerts and warnings for England. Free text and email alerts can be set up against any postcode. The service runs four alert levels from Flood Alert through Severe Flood Warning.

The Environment Agency Flood Information Service publishes live flood alerts and warnings for England, including rivers, surface water and coastal flooding. Free text and email alerts can be set up for any postcode through gov.uk, and the service operates four alert levels from Flood Alert through Severe Flood Warning.

How the four alert levels work

Flood Alert indicates that flooding is possible. Recipients are advised to be prepared. Flood Warning means that flooding is expected and immediate action is required.

Severe Flood Warning indicates a danger to life. Recipients should follow instructions from emergency services. The fourth state, No Flood Warnings in Force, simply means no current alerts apply.

How to check your postcode

Visit flood-warning-information.service.gov.uk and enter the postcode. The map view shows the area's flood risk classification and any current alerts in force.

The same page lists historic flooding incidents at the postcode and explains the flood risk from rivers, surface water and reservoirs. Insurance providers may ask for the area's classification when quoting buildings insurance.

Setting up free alerts

Free text and email alerts are available through the Environment Agency's Floodline service. Sign up by phone on 0345 988 1188 or through gov.uk. The service is free.

Wales and Scotland have separate services. Natural Resources Wales operates the Welsh flood warning service and the Scottish Environment Protection Agency operates the Scottish equivalent. Northern Ireland uses the Department for Infrastructure.

What to do when an alert is issued

Move pets, valuables and electrical items upstairs or to higher ground. Move cars to higher ground if possible. Avoid walking or driving through flood water, as 30cm of moving water can carry away a car.

If a Severe Flood Warning is issued, follow instructions from emergency services and prepare to evacuate. Have a grab bag with documents, medication, phone chargers and a torch ready in advance.

Insurance and recovery

Households in flood risk areas can use Flood Re, a reinsurance scheme that helps make affordable buildings insurance available. Eligibility depends on property type and the date of construction, with most pre-2009 homes covered.

After a flood, contact the buildings insurer as soon as possible. Take photographs of damage before cleaning up and keep receipts for any temporary accommodation or repairs.

Key facts

  • Four alert levels: Flood Alert through Severe Flood Warning.
  • Free text and email alerts through Floodline 0345 988 1188.
  • 30cm of moving water can carry away a car.
  • Flood Re helps with affordable insurance in flood risk areas.
  • Wales, Scotland and Northern Ireland have separate services.
Editorial disclaimer. Kael Tripton is an independent UK editorial publisher (ICO ZC135439), not authorised or regulated by the FCA. Content is informational only and does not constitute safety advice. Verify specific property flood risk and insurance with the Environment Agency and your local council before acting.

FAQ

How do I check my flood risk?

Enter your postcode at flood-warning-information.service.gov.uk to see the area's flood risk classification, current alerts and historic incidents.

What do the alert levels mean?

Flood Alert means flooding is possible and to be prepared. Flood Warning means flooding is expected and immediate action is needed. Severe Flood Warning indicates a danger to life and requires following emergency service instructions.

How do I sign up for free flood alerts?

Call Floodline on 0345 988 1188 or sign up through gov.uk. The service is free and provides text or email alerts for any registered postcode.

What should I do if my home floods?

Move pets, valuables and electrical items upstairs. Avoid walking or driving through flood water. Contact your buildings insurer as soon as the immediate danger has passed and photograph the damage before cleaning up.

Related coverage on kaeltripton. See more in our UK news coverage.
Sources. Environment Agency: Flood Information Service. gov.uk: Sign up for flood warnings. Flood Re: Flood Re.
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Editorial Disclaimer

The content on Kaeltripton.com is for informational and educational purposes only and does not constitute financial, investment, tax, legal or regulatory advice. Kaeltripton.com is not authorised or regulated by the Financial Conduct Authority (FCA) and is not a financial adviser, mortgage broker, insurance intermediary or investment firm. Nothing on this site should be construed as a personal recommendation. Rates, figures and product details are indicative only, subject to change without notice, and should always be verified directly with the relevant provider, HMRC, the FCA register, the Bank of England, Ofgem or other appropriate authority before any financial decision is made. Past performance is not a reliable indicator of future results. If you require regulated financial advice, please consult a qualified adviser authorised by the FCA.

CT
Chandraketu Tripathi
Finance Editor · Kaeltripton.com
Chandraketu (CK) Tripathi, founder and lead editor of Kael Tripton. 22 years in finance and marketing across 23 markets. Writes on UK personal finance, tax, mortgages, insurance, energy, and investing. Sources: HMRC, FCA, Ofgem, BoE, ONS.

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