What it is
Radon is a naturally occurring gas which we can't see, smell or taste. It is released by the natural radioactive decay of very small amounts of uranium within rocks and soils and is found everywhere in the UK.
Radon in buildings and homes
Outdoors, Radon levels are low.
Every building has Radon, usually at low levels, but it can build up indoors.
In some areas, radon levels in buildings could be higher because of the types of rocks and soils underneath them.
You can use the free online interactive map from UKradon to search for where you live or work.
UKradon also has expert advice and information for homeowners and employers including how to order a radon risk report or monitoring kit for your property. you can:
- visit the UKradon website
- use the interactive map to check your address (UKradon website)
- phone the UKradon advice line on 01235 822 622.
Risk from radon
We all breathe in Radon every day, usually at very low levels. It makes up around half our annual exposure to radiation. The health risk from radon comes from exposure over a long time and contact with radon does not cause sudden sickness.
Long-term exposure to radon can increase the risk of lung cancer. The risk from Radon is higher for smokers and ex-smokers. There is no evidence radon causes any other health impact.
Read more about radon risk information (UKradon website).
Radon compliance monitoring
We worked with the UK Health Security Agency (UKHSA) on a radon compliance monitoring programme in Renfrewshire from summer 2025 to February 2026.
You can read more about our Radon compliance monitoring programme.