A report will tell you the estimated probability above the Action Level.
Order a reportFind out the yearly average radon level for a property and if it is above or below the Action Level.
Order a domestic pack Order a workplace packIn this section you will find everything you need to know about radon. It covers what radon is, the health risks, maps of radon affected areas and many other topics. You can also view our 60 second overview animation about radon 'a beginners guide to radon'.
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Radon is a radioactive gas, we can't see, smell or taste it: you need special equipment to detect it. It comes from the rocks and soil found everywhere in the UK. The radon level in the air we breathe outside is very low but can be higher inside buildings.
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This short animation covers: What is radon? Radon in homes, Radon risks, Radon areas, Radon reduction.
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The only way to know if a building has a high radon level is to have it tested. If you live or work in a radon affected area we recommend that a test is arranged.
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There are different ways to find the Radon Potential for an address or area of land in England, Wales, Scotland and Northern Ireland.
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Radon is everywhere but some parts of the country are more likely to have high levels in buildings than others. We have worked with the British Geological Survey to produce a data set and maps of the radon prone areas.
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Short video to help you understand the difference between the indicative radon atlas data and the definitive address search data.
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High levels of radon can cause lung cancer, particularly for smokers and ex-smokers. Radon produces tiny radioactive particles in the air we breathe. Radiation from these particles damages our lung tissue, and over a long period may cause lung cancer. The higher the level and the longer the period of exposure, the greater the risk will be.
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Indoor radon often varies from building to building within the same area. The Target Level and Action Level are important averages in assessing concentrations and ideal outcomes.
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The ground is the main source of radon. The aim of remedial work is to reduce radon levels in the home as low as possible. There are several methods that can reduce high radon levels in homes.
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An interactive tool to help you decide whether you need to reduce your radon level and if so, how.
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Guidance on how to reduce radon levels in cellars and basements
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Buildings naturally draw air in from the ground through the cracks and gaps in the floors, and this air will contain radon. Indoor radon often varies from building to building within the same area. The issue of radon comes up when buying and selling properties.
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During the house buying and selling process, conveyance documents are used to ask questions about radon gas.
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Radon is a standard question in the conveyancing process. The wording can sometimes be ambiguous but the important question is: Is this property in a radon affected area?
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For both workplaces and homes, arranging radon measurements in a large number of properties requires a number of decisions to be made.
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You may have responsibilities for the health and safety of people in a large number of buildings, either as a landlord or employer. We offer a search service for large property portfolios.
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print off a single page information sheet to pass onto buyers or sellers in radon areas.
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Work environments vary greatly in size and nature, but excessive radon levels can occur in almost any type of workplace. Employers are required by law to assess any risks to their staff while at work.
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Employers are required, as far as reasonably practicable, to ensure the health and safety of employees and other people who have access to their work environment. This includes a suitable and sufficient risk assessment, and taking appropriate action where necessary.
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Print a page which provides information for your employees about the next steps after a high reading.
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When extensions are made to existing buildings in high radon areas, or new buildings are constructed in these areas, the Building Regulations require that protective measures are taken against radon entering the building.
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Landlords have a responsibility to their tenants under Duty of Care and the Housing Act to provide a safe home.
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Elevated radon levels can occur in private water supplies. Find out which areas might be affected and what to do if you have a private water supply in one of these areas.
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This newsletter is a publication prepared by UKHSA covering radon policy and practice in the UK.
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