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MCP Environmental are full members of the UK Radon Association. By choosing MCP, you will have full access to specialist support and advice with Radon.

What is Radon?

We are all exposed to radiation form natural and man-made sources. Just 20 Bqm3, which is the average radon level in UK homes, gives us half of our exposure to radiation from all sources. High radon levels give higher exposures, which is why it is important to find out the levels in your home, school or workplace.

What is Radon?

It is a colourless, odourless, radiactive gas. Formed by the radiactive decay of small amounts of uranium that occur naturally in all rocks and soils. Radioactive elements decay and emit radiation and any exposure to radiation is thought to be a risk to health. Radiation is a form of energy and can cause damage in living tissues increasing the risk of cancer.


Image courtesy of www.ukradon.org

Radon Exposure Chart


Image courtesy of www.ukradon.org

Do I need to measure my premises or premises I manage, for Radon?

Should your home or workplace fall in an area with a maximum radon potential of more than 1%, we suggest the property is subject to Radon Measurement. At MCP we are able to assist with all areas of Radon, including assessment, profiling & remedial/mitigation works.

What is the process?


  • Conducting a Radon Risk Report will advise whether your home or workplace falls within a radon affected area. UKHSA recommends further investigation to measure the radon concentration should the site be above a 1% maximum potential.


  • To sufficiently measure radon within a premise, we recommend a test period of 3-months, however shorter ten day tests can be undertaken, however a longer term exposure limit is better suited to capture data during normal occupancy of the building and takes into account natural ventilation and air movement. Once the test period has concluded, readings are sent to a UKHSA approved laboratory for sample analysis.

Interpretation and Remediation

  • We can accurately interpret all results and send a report to the client with recommendations in line with IRR17 (Ionising Radiation Regulations 2017).

  • Should your domestic premises exceed the UK Action Level of 200 Becquerels BqM3 or your workplace premises exceed 300 BqM3, then action is required to reduce indoor radon levels below 100 BqM3.

  • Radon enters property by a process called advection, where the gas moves from a point of higher pressure, ie the ground, to a point of lower presure, ie the property. To prevent radon from entering a premise, a fan can be installed to reverse the pressure or a sump can be created beneath the building to act as a point of lower pressure.

At MCP we can facilitate and assist with:

  • Consultant
  • Equipment Supplier
  • Radon Mitigation
  • Radon Testing
  • Surveying

Areas we work in

  • Private & Social Housing Private & Social Housing
  • Retail Retail
  • Highways Highways
  • Industrial Industrial
  • Health Care Health Care
  • Education Education
  • Hotels Hotels
  • Energy Energy
  • Transport Transport
  • MoD MoD
  • Petrochemical Petrochemical
  • Contaminated Land Contaminated Land

Get in touch

Damian Godward

Surveying Operations Manager

Get in touch

James Gregory

Surveying Operations Deputy Manager