Building Polygons are those man made structures used for ocupation, commercial, service or storage purposes. Any built structure with one side having a length greater than 25 metres. (Buildings with sides less than25m are captured as point features and delivered as the LIST Building Points dataset. Building types include: Residence, Feature (those shown in red on the Tasmanian Towns Street Atlas), Shed, Ruin, Hothouse, Silo, Commercial, Industrial.