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Precision radon gas testing for homes, schools and workplaces


• The UK's only ISO17025 accredited radon gas testing laboratory
• Fully UKHSA validated testing kits
• Testing kits delivered to you within 1-2 working days
• Free shipping

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ACCREDITED

Radon testing
in homes

Radtrak³® – Validated test kit for reliable long-term home radon measurement

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FAST RESULTS

Need results quickly?
Rapid home radon testing

Rapidos® – Home radon testing kit for reliable short-term measurement

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ACCREDITED

Radon testing in workplaces and schools

Radtrak³® – Validated test kit for reliable long-term radon measurement

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DIGITAL

Digital radon
testing

SPIRIT® – Digital radon monitor
for professional or domestic use

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30+ years of
experience

Customers in over 80
countries

6,000,000+
detectors sold worldwide

1,000,000+
measurements performed

UK radon gas testing and measurement, from the world’s leading laboratory

With over 30 years’ radon gas testing experience, at Radonova we pride ourselves on our industry-leading instruments and procedures. International comparison tests prove our measurement standards to be of the highest accuracy and quality, while our innovative technologies and fast, cost-effective service have led us to produce and analyse over six million radon detectors to date worldwide.

Four frequently-asked questions about radon gas

Why is radon gas dangerous?

Radon gas is the second most common cause of lung cancer in the UK after smoking. According to UK Health Security Agency (UKHSA) around 1,100 lung cancer deaths are attributed to radon gas exposure each year. Radon gas is radioactive – when inhaled, it emits alpha radiation, harming tissues which can lead to lung cancer over time.

Where does radon gas come from?

Radon gas is a decay product of Uranium238, found naturally in soil, which seeps easily into buildings through tiny cracks in their walls and foundations.

Homes, workplaces and schools are heated, insulated indoor environments, in which high concentrations of radon gas can easily build up.

How do I measure radon gas levels indoors?

Radon gas levels can be measured easily, accurately and affordably using a validated testing kit. Due to weather conditions, temperatures, and atmospheric pressure, radon gas levels fluctuate, so UKHSA recommends a testing period of 3-12 months to achieve the most accurate measurement.

Digital monitors are often used for conducting follow-up testing post-remedial work.

How do I reduce high radon gas levels?

The World Health Organization (WHO)‘s indoor radon gas target level is 100 Bq/m3. The UK government advises that remedial action should be carried out in residential properties with an average radon measurement of 200 Bq/m3 or more.

School and workplace radon testing has different requirements; read more about these here.

Simple methods exist to reduce high levels of indoor radon gas. Reputable organisations providing mitigation services can be found at UK Radon Association or The Radon Council.

Our history

Following the Chernobyl nuclear disaster, the Swedish government commissioned a group of researchers from Uppsala University to measure the fallout from the accident. Radonova Laboratories, formerly Landauer Nordic and Gammadata Mättekinik, was founded.

Radonova has been measuring radon since 1989 and has built a strong reputation for its measurement accuracy and professional approach. Now a global leader, the company measures radon in over 80 countries. Read more here.

Radonova Laboratories is part of the Lagercrantz Group.

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