chapter  2
43 Pages

Ventilation and indoor environmental quality

Health, comfort and safety issues are particularly pronounced in the area of social housing, where deterioration of the existing building stock and the need for renovation is a priority. Across the European Union countries, social housing numbers over fifty-five million dwellings; much of this housing is of poor quality, creating problems of ill-health and insecurity for the occupants and ongoing maintenance problems for the owners. At the moment, more than 170 million people live in mass housing areas constructed in the post-war period in Europe – 25 countries.