"Every building contains radon but the levels are usually low. The chances of a higher level depend on the type of ground. Public Health England has published a map showing where high levels are more likely."
getting a sensor at a reasonable price is tricky since Radon emits Alpha radiation - I managed to get one at around £300
from: https://www.ukradon.org/information/ukmaps
"Every building contains radon but the levels are usually low. The chances of a higher level depend on the type of ground. Public Health England has published a map showing where high levels are more likely."
getting a sensor at a reasonable price is tricky since Radon emits Alpha radiation - I managed to get one at around £300