Further geographic disaggregations are not available. A building is defined as a rigid, fixed and permanent structure which has a roof. Its intended purpose is primarily to house people, plant, machinery, vehicles, goods or livestock. An integral feature of a building's design, to satisfy its intended use, is the provision for regular access by persons. 6 A residential building is defined as a building predominantly consisting of one or more dwelling units.
Residential buildings can be either houses or other residential buildings .
A house is defined as a detached building predominantly used for long-term residential purposes and consisting of only one dwelling unit. Thus, detached granny flats and detached dwelling units such as caretakers' residences associated with non-residential buildings are defined as houses for the purpose of these statistics. 7 Conversions , etc. Such dwelling units are referred to in this publication under the heading of Conversions, etc. 8 Commenced .