The dwelling stock includes only conventional (permanent) dwellings, whether occupied or not. The simple term “dwelling” is generally used instead of “conventional dwelling”. The dwelling stock does not include rustic (semi-permanent) and improvised housing units (e.g. huts, cabins, shanties), mobile housing units (e.g. trailers, caravans, tents, wagons, boats) and housing units not intended for human habitation but in use for the purpose (e.g. stables, barns, mills, garages, warehouses).
Source: BMWFW, Austrian Federal Ministry of Science, Research, and Economy