The LARES Housing and Health survey conducted in representative samples of eightEuropean towns provides substantial data from 3,373 households about housingconditions and the health of 8,519 residents. We assessed the relation between residentialthermal comfort, weather-tightness, ventilation, mould or dampness and some commondiseases and symptoms. We observed that reporting bad health was significantlyassociated with temperature, weather-tightness and mould or dampness problems.Asthma was significantly linked with mould or dampness, temperature, and ventilationproblems.