- the physical characteristics of the housing stock (size, sanitary facilities, heating, annexes);
- the quality of the dwelling: condition of the housing and the building, noise, exposure, location, environment, neighbourhood, security, quality of existing facilities (heating installation), use of clean energy;
- the legal measures for occupation of the dwelling (form and origin of ownership, rental legislation, State aid);
- difficulties in access to housing, household solvency, the workings of rental relationships;
- expenditure associated with housing (rents, rental or joint ownership charges, prices and borrowing for recently purchased dwellings, loan repayments for home ownership, repairs and maintenance) and benefits the occupants receive;
- resources received by the different members of the household;
- housing assets held by the household;
- household residential mobility, the opinion that households have of their housing and their possible desire to change;
- unusual accommodation situations for individuals in a household, individual occupancy status ;
- the children of the reference person and/or his/her spouse living outside the parental home.