Many occupants in modern buildings complain about the indoor climate and report medical symptoms which they ascribe to the indoor environment. These symptoms are common in the general population. Technical measurements in the buildings  mostly show concentrations and levels within accepted limits. A strategy is needed to handle these problems. One important part of this strategy is to use standardized questionnaires for structuring the information from the occupants.

The management and client role of the maintenance of the housing stock of the London

Borough of Croydon is undertaken by the Housing Department. They view themselves primarily as housing managers and not as providers of a welfare service, and as such their priorities are: