Check radon risk for a home
Enter a postcode and choose the address to see the radon potential for the home's 1 km grid square: the estimated percentage of homes there with radon at or above the 200 Bq/m³ action level. The data comes from the UK Health Security Agency and British Geological Survey radon atlas.
Free, no sign-up. Covers homes in England.
What you'll see
- Radon potential class for the home's 1 km square
- Estimated share of homes above the radon action level
- Coal mining and other ground risks
Questions
Is radon a problem when buying a house?
In higher radon areas, ask whether the home has been tested. A three-month test costs little, and if levels are high, a radon sump or better ventilation usually brings them down.