According to the CBS, in 2017 almost a 100.000 houses which were not owned by a housing corporation were in use as rental properties. These used to be houses meant for sale. Rental properties which are not in the hands of a housing corporation have a private person, company or investor as owner. The CBS notes that the biggest movements on the housing market are mutations from houses meant for sale to rental properties.
The amount of houses that are used as rental properties has grown enormously in the last few years. In 2014 this concerned over 62.000 houses, in 2017 the amount has grown to almost 100.000.