Over the years the demand for quality transportable buildings such as granny flats, holiday cabins and other portable buildings has grown for several reasons throughout Australia. Traditionally portable buildings, or granny flats, as some people call them, were only for wealthy homeowners and were more of a luxury than a necessity. Today, many industries and services in fields such as hospitality, medical, events, construction, mining and government are embracing and using portable shower and toilet blocks and portable buildings to their advantage.