What could go wrong at a UK postcode, from public data.
Flood data is England only for now. This is a demo, not a flood warning service. For official warnings use Check for flooding on GOV.UK.
No postcode yet
Pick a postcode to start.
You get a made-up price, then flood, crime and storm in plain words. If something could not be checked, it says so.
The sample postcodes use saved flood maps, marked with their date. Anything you type is asked live.
The first two are 670 metres apart. Try them one after the other.
0
of 40 made-up policies where the weather passed the limit
£0
, the most those policies would pay out. Not a claim.
Lit means the weather model for that area passed the limit. It is not a claim, and not the exact gust at the address.
Weather data by Open-Meteo.com
Gust limit
Rain limit
Strongest gust first, then rain.
This is a demo, not a flood warning service. For official warnings use Check for flooding on GOV.UK. Storm Replay Sources and credits
This is a demo and not a flood warning service. Do not use it to make safety decisions. For official flood warnings use Check for flooding on GOV.UK.
Postcodes: postcodes.io. Contains Ordnance Survey data © Crown copyright and database right 2025. Contains Royal Mail data © Royal Mail copyright and database right 2025. Contains National Statistics data © Crown copyright and database right 2025. Contains NRS data © Crown copyright and database right 2025. Northern Ireland postcode data is free for non-commercial use, and commercial use needs a licence from NI Land & Property Services.
Live flood warnings and river levels: this uses Environment Agency flood and river level data from the real-time data API (Beta).
Flood zones, flood warning areas, risk maps and recorded floods: © Environment Agency copyright and/or database right 2025. All rights reserved.
Conservation areas: planning.data.gov.uk. © Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on . The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
Crime: data.police.uk. Contains public sector information licensed under the Open Government Licence v3.0. Each crime is moved to a nearby anonymous point on the map, so never read a dot as an exact spot.
Weather: Weather data by Open-Meteo.com, under CC BY 4.0. Forecast: UK Met Office model, under CC BY-SA, and we show only the highest values and the total from the next 72 hours. History: ERA5, generated using Copernicus Climate Change Service information 2026, and we show only the highest value from the last ten years.
Storm Replay: every policy is made up, on real postcodes that are nothing to do with them. The hourly weather is the same ERA5 data from Open-Meteo as above.
Named storms: Met Office UK Storm Centre. © Crown Copyright.
Map: © OpenStreetMap contributors, tinted dark for this page. Map data is available under the Open Database Licence. Drawn with Leaflet. Type: B612 and Martian Mono, under the SIL Open Font License.
Government data above is used under the Open Government Licence v3.0.
Perilscope needs JavaScript to call the data sources.