Out-Back Portable Buildings specialize in custom-made, pre-fab Portable Buildings, including portable granny flats, portable houses, and portable offices for sale that can be designed specifically to suit your needs. In fact, we have a full range of demountable buildings and prefab buildings available. Our factory is based in the Adelaide Hills in South Australia and we deliver Australia-wide.

We have helped homeowners, holiday park owners, and companies throughout Australia overcome cash-flow shortages, overcrowding, and cramped working or accommodation living conditions with our quality buildings.

Out-Back Portable Buildings can provide solutions for accommodation, portable site offices, extra office space, and working conditions or a secondary income at your home through a new portable granny flat.


Our Range: 

Out-Back Portable Buildings offers a range of Portable Buildings for sale that can be customized to fit any need. We have a range of “off-the-shelf” portable rooms that can be purchased as-is, or we can create completely custom solutions.

We have created portable classrooms, portable accommodation, and portable storage sheds and garages, among a range of other solutions and purposes.

All our buildings are fully portable and demountable and can be moved easily from site to site.



Out-back Portable Buildings designs and constructs quality, custom transportable sheds, granny flats, rooms, offices, and other buildings in the Adelaide Hills and delivers Australia-wide.

We construct our Portable Buildings to the highest quality standards and deliver them pre-assembled wherever they are needed. Our high-quality building materials and construction means they can be easily relocated multiple times without the quality or integrity of the structures being affected. This means your shed, granny flat, room or office can be transported and relocated with peace of mind, as needed.


Advantages of our affordable portable buildings

There are a lot of different options on the market when it comes to transportable and relocatable cabins, office buildings, granny flats, sheds, or any type of modular portable building. It’s hard to know what to look for and who to trust.

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