In the UK, approximately 10% of the population, or 5.3 million people, regularly encounter issues with mould in their homes.
End Fuel Poverty Coalition.
"Households at risk from mould in cold damp homes crisis."
,
22 December 2023,
https://www.endfuelpoverty.org.uk/households-at-risk-from-mould-in-cold-damp-homes-crisis/.
10% (5.3 million) people in the UK experience mould frequently(Reported 22 December 2023)