Radon Risk in Kent

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

68 postcode districts · 9 classified High or above · Average risk class: 1.9 / 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 Kent compares. 9 districts in Kent are classified High risk or above — testing is strongly recommended in these areas.

All Districts in Kent

District Risk Level % Homes
CT15 Highest >30%
CT16 Highest >30%
CT17 Highest >30%
CT18 Highest >30%
CT4 Highest >30%
CT14 High 3–5%
ME10 High 3–5%
ME13 High 3–5%
ME9 High 3–5%
BR8 Moderate 1–3%
CT1 Moderate 1–3%
CT19 Moderate 1–3%
CT20 Moderate 1–3%
CT21 Moderate 1–3%
CT50 Moderate 1–3%
DA1 Moderate 1–3%
DA10 Moderate 1–3%
DA11 Moderate 1–3%
DA12 Moderate 1–3%
DA13 Moderate 1–3%
DA2 Moderate 1–3%
DA3 Moderate 1–3%
DA4 Moderate 1–3%
DA9 Moderate 1–3%
ME14 Moderate 1–3%
ME15 Moderate 1–3%
ME16 Moderate 1–3%
ME17 Moderate 1–3%
ME18 Moderate 1–3%
ME19 Moderate 1–3%
ME20 Moderate 1–3%
ME99 Moderate 1–3%
TN13 Moderate 1–3%
TN14 Moderate 1–3%
TN15 Moderate 1–3%
TN23 Moderate 1–3%
TN24 Moderate 1–3%
TN25 Moderate 1–3%
CT10 Low <1%
CT11 Low <1%
CT12 Low <1%
CT13 Low <1%
CT2 Low <1%
CT3 Low <1%
CT5 Low <1%
CT6 Low <1%
CT7 Low <1%
CT8 Low <1%
CT9 Low <1%
ME11 Low <1%
ME12 Low <1%
ME6 Low <1%
TN1 Low <1%
TN10 Low <1%
TN11 Low <1%
TN12 Low <1%
TN17 Low <1%
TN18 Low <1%
TN2 Low <1%
TN26 Low <1%
TN27 Low <1%
TN28 Low <1%
TN29 Low <1%
TN3 Low <1%
TN30 Low <1%
TN4 Low <1%
TN8 Low <1%
TN9 Low <1%

Get a Radon Test for Kent

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

UKRadon Postal Test Kit
From ~£29 · 3-month detector Airthings Corentium Home (Amazon UK)
~£99 · Digital · Ongoing monitoring

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