Radon Risk in Norfolk

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

48 postcode districts · 2 classified High or above · Average risk class: 1.2 / 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 Norfolk compares. 2 districts in Norfolk are classified High risk or above — testing is strongly recommended in these areas.

All Districts in Norfolk

District Risk Level % Homes
PE31 Highest 10–30%
PE35 Highest 10–30%
PE36 Moderate 1–3%
IP20 Low <1%
IP22 Low <1%
IP24 Low <1%
IP25 Low <1%
IP26 Low <1%
IP98 Low <1%
NR1 Low <1%
NR10 Low <1%
NR11 Low <1%
NR12 Low <1%
NR13 Low <1%
NR14 Low <1%
NR15 Low <1%
NR16 Low <1%
NR17 Low <1%
NR18 Low <1%
NR19 Low <1%
NR2 Low <1%
NR20 Low <1%
NR21 Low <1%
NR22 Low <1%
NR23 Low <1%
NR24 Low <1%
NR25 Low <1%
NR26 Low <1%
NR27 Low <1%
NR28 Low <1%
NR29 Low <1%
NR3 Low <1%
NR30 Low <1%
NR31 Low <1%
NR4 Low <1%
NR5 Low <1%
NR6 Low <1%
NR7 Low <1%
NR8 Low <1%
NR9 Low <1%
NR99 Low <1%
PE14 Low <1%
PE30 Low <1%
PE32 Low <1%
PE33 Low <1%
PE34 Low <1%
PE37 Low <1%
PE38 Low <1%

Get a Radon Test for Norfolk

The only way to know your home's radon level is to test. Radon levels in Norfolk are classified as Low — 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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