Large Portable Buildings For Quick Construction on the Sunshine Coast & Brisbane

You could add value, space and profitability to your business or home almost instantly without top quality large sized portable. With male and female toilets, laundry, shower, kitchenette, sliding or quality timber door, window and bathroom vanity and one or two bedrooms available, this 12m x 3m portable building is perfect for a wide range of applications. Like all A & S Portables structures, this 12m x 3m is available in a range of floor plans, and of course you also have the flexibility to design your own floor plan if needed.

Standard Inclusions

Of course, there are many reasons why an A & S Portables structure is considered one of the best, and part of that is what we include as standard. The standard inclusions when you purchase this 12m x 3m portable are:

  • Solid timber or easy glide sliding door
  • Australian Made Colourbond cladding
  • Australian made premium Colourbond roofing in a range of colours to match your house
  • Easy glide 1200 x 1200 Aluminium window
  • Durable hardwearing 19mm flooring that you can cover with carpet, tiles or vinyl, or leave natural
  • Our easy “colour match fastening system” so the finish is professional and neat
  • Our 25 year Guarantee against rotting or warping
  • A 10 Year Guarantee on the Structure
  • And our “Shipped & Delivered In Pristine Condition” guarantee
  • Flat pack delivery or installation can be arranged for additional cost

Customise Your Floor Plan

There are a number of floor plans available for our large sized portables, or you can even design your own. This gives you unbeatable flexibility when setting up and furnishing your new granny flat or office. Below are some floor plan examples.

12m x 3m retreat floor plans









Customise Colours and Fittings

Our portables come with standard colouring and fittings, or, you can choose your own. With a wide range of colours and styles available, you can design your new space to fit in with you existing property, or choose something to make it stand out.