Survey to compare owner-occupiers (P1249a) and tenants (P1249b) of (similar) houses: reasons to buy or to rent a house. Housing situation before present accommodation / motives to move to present accommodation / motives to buy or to rent / changes in living costs/ P1249a: mortgage, insurance, taxes, ground lease/ P1249b: rent, rent-subsidy / development of r.'s income last five years and expected income next five years / improvements made to the house / contacts with neighbours / evaluation of present housing situation / plans to move: rent or buy. Background variables: residence/ housing situation/ household characteristics/ income/capital assets/ education