A multidwelling building (or a few buildings), in which a part or all dwellings constitute separate properties of natural persons, certified by a record in land and mortgage register.

A housing condominium is formed by all owners of residential and business premises in a given building. The term of housing condominium was introduced by the Act of 24 June 1994 on Ownership of Premises. The housing condominium is an organizational unit without a legal personality. It is ipso jure formed by the whole of owners whose premises are part of certain estate - either detached or not.