Please note that radon monitors placed in unoccupied buildings can give false results (both too high and too low). If your workplace is currently unoccupied, due to the current situation with COVID-19 and the government advice regarding homeworking, please consider placing your order when your workplace is running ‘normally’. You can call or email us to discuss the arrangements: (01235) 822622 and


If you do not know your postcode you can enter an address manually.

Note the following important points

  • Detectors shall remain the property of UKHSA.
  • Measurement results will be held in a database and used for statistical purposes, but individual results will not be disclosed without express permission.
  • UKHSA shall not be liable for any errors in the interpretation of the results.