Radon Risk in Warwickshire

Last reviewed: March 2026 · Data: BGS Indicative Atlas v3.

23 postcode districts · 7 classified High or above · Average risk class: 2.0 / 5

Radon is a naturally occurring radioactive gas and the second largest cause of lung cancer in the UK. Risk varies significantly by location — the areas below show how Warwickshire compares. 7 districts in Warwickshire are classified High risk or above — testing is strongly recommended in these areas.

All Districts in Warwickshire

District Risk Level % Homes
CV8 Highest 10–30%
CV10 Very High 5–10%
CV12 Very High 5–10%
CV9 Very High 5–10%
B49 High 3–5%
CV36 High 3–5%
CV37 High 3–5%
CV23 Moderate 1–3%
CV33 Moderate 1–3%
CV47 Moderate 1–3%
B46 Low <1%
B50 Low <1%
B78 Low <1%
B80 Low <1%
B94 Low <1%
B95 Low <1%
CV11 Low <1%
CV21 Low <1%
CV22 Low <1%
CV31 Low <1%
CV32 Low <1%
CV34 Low <1%
CV35 Low <1%

Get a Radon Test for Warwickshire

The only way to know your home's radon level is to test. Radon levels in Warwickshire are classified as Moderate — a test takes 3 months and costs around £29.

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