Radon Risk in Lancashire

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

36 postcode districts · 12 classified High or above · Average risk class: 2.3 / 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 Lancashire compares. 12 districts in Lancashire are classified High risk or above — testing is strongly recommended in these areas.

All Districts in Lancashire

District Risk Level % Homes
BB11 Highest 10–30%
BB18 Highest 10–30%
BB7 Highest 10–30%
LA1 Highest 10–30%
LA4 Highest 10–30%
BB8 Very High 5–10%
BB94 Very High 5–10%
LA5 Very High 5–10%
OL13 Very High 5–10%
BB4 High 3–5%
BB5 High 3–5%
BB6 High 3–5%
BB10 Moderate 1–3%
BB12 Moderate 1–3%
LA2 Moderate 1–3%
LA3 Moderate 1–3%
PR6 Moderate 1–3%
PR7 Moderate 1–3%
WN8 Moderate 1–3%
BB9 Low <1%
FY0 Low <1%
FY5 Low <1%
FY6 Low <1%
FY7 Low <1%
FY8 Low <1%
L39 Low <1%
L40 Low <1%
PR0 Low <1%
PR1 Low <1%
PR11 Low <1%
PR2 Low <1%
PR25 Low <1%
PR26 Low <1%
PR3 Low <1%
PR4 Low <1%
PR5 Low <1%

Get a Radon Test for Lancashire

The only way to know your home's radon level is to test. Radon levels in Lancashire 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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