Radon in Somerset: Risk, Testing & What to Do
Somerset has an average radon risk classification of High, based on BGS indicative atlas data covering 14 postcode districts. 6 of these districts are classified as High risk or above. Radon testing is recommended for all homes in areas with a High or above classification.
Why is Radon a Risk in Somerset?
Parts of Somerset overlie Carboniferous limestone and granite basement rocks. The Mendip Hills area has particularly elevated radon potential due to fissured limestone that allows gas to migrate freely into buildings.
District Data
Individual district data for Somerset will be available in a future update. Use the postcode search below to check your specific area.
Get a Radon Test for Somerset
The only way to know your home's radon level is to test. Radon levels in Somerset are classified as High — a test takes 3 months and costs around £29.
From ~£29 · 3-month detector Airthings Corentium Home
~£99 · Digital · Ongoing monitoring
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Check Your Postcode
Enter your postcode to see the exact radon risk for your specific area within Somerset.