Australia's Best 2 Bedroom Granny Flat Kits
Engineered for Strength & Simplicity
*From Only $25,000+
Discover our range of Australian-made 2 bedroom granny flat kits. A cost-effective and easy-to-assemble solution for the owner builder. Explore our standard and cyclone-rated models below.
Explore Our Range
Kit A - Side Door
Kit B - Coming Soon
Our larger model for more room for even more activities. Coming Soon
Kit C - Cyclone Rated
Peace of Mind: Cyclone Proof, Fire Resistant, Earthquake Proof
*From Only $37,500+
Our Latest and Greatest DIY Granny Flat is engineered from the ground up to withstand the toughest of Australian conditions. Built on a full galvanised steel chassis, the flat pack kit home is fully certified to meet all state and council regulations for cyclone, fire and earthquake resistance. It is the ultimate affordable, high-quality and stress free foundations for your new space.
A Permanent Home, Not a Temporary Shed
A common question we get is, “Is it built like a shed?” The answer is a definitive no.
Our portable granny flat kits are a revolution in residential construction, engineered from the ground up to be a permanent, durable, and comfortable living space.
This isn’t your standard shed construction; the superior strength is in the very clever, sophisticated and unique patented Australian design.
All-Steel Fortress: The entire chassis and frame are made from high-tensile, galvanized Australian steel (up to G550 grade), providing superior strength and a lifetime of corrosion resistance.
Patented Interlocking System: Our innovative wall and stud system is a new form of construction. The components interlock with the chassis and roof, creating a unified structure of incredible rigidity and strength.
Proven Power: Each wall panel is engineered and tested in Australia to withstand significant forces, ensuring your home is safe and secure.
Built to Code: Our design and materials comply with the building code for permanent living, giving you peace of mind.
We’ve spent over a decade perfecting this system to be simple for a DIYer to assemble, without compromising on the structural integrity you’d expect from a permanent home.
Why choose a MaxTrans Portable Home?
DIY Friendly Construction
Simple, handyman-friendly design. Complies with permanent living laws and building codes.
Affordable Starting Point
From $25,000 + GST for a complete basic cabin in kit form.
Locally Sourced Quality
Our kits are built with all locally sourced components and materials – nothing is imported.
How Does It Work?
Full step by step assembly plan, designed for a handy man or a tradie, or a few family members that are handy. No previous building experience required.
You will need to simply engage a certified electrician and certified plumber for any plumbing or electrical works.
Fire Rating
We are currently working on official testing for bush fire resistance. The all-steel, non-combustible construction provides an excellent foundation for fire safety, and we look forward to sharing the certified results soon.
Cyclone Rating
Our homes are now approved for C & D cyclone zones, featuring stronger panels, reinforced attachments, and double-glazed windows.
Available in our standard sizes, these premium units are priced higher due to their strength and are available by application. We are continuously refining our designs, so please contact us for the latest details.
Earthquake Rating
These units comply and are approved to Australian Standard AS 1170.4 for earthquake actions. This certification means your home's all-steel, fully-welded frame is engineered for superior stability and structural integrity in seismic areas.
A Complete Structural Kit: What's in the Box?
Structure and Frame
- All galvanised steel chassis and structure (corrosion resistant) with a minimum 440 MPA steel strength
- Chassis is a bolted galvanised construction
- All internal wall frame (galvanised steel) 550 MPA steel strength
- Kit includes all internal roof frame structure (galvanised steel) 440 MPA steel strength
- Floor joists and bearers are galvanised steel with 440 MPA strength
Exterior Shell and Insulation
- All internal wall & roof panelling (white)
- All external wall covering (galvanised steel) 550 MPA steel strength
- All external roofing material (galvanised steel) 440 MPA steel strength
- Insulation in the walls & roof along with moisture barriers
Doors and Windows
- Kit A includes 3 x 1455mm wide by 1125mm high sliding windows (single glazed)
- Small bathroom window 310mm by 560mm wide (single glazed)
- One sliding glass door 2125 high by 1750 wide (single glazed)
Assembly and Plans
- Fully transportable building
- Complies with the building code (contact your local council to confirm)
- Yellow Tongue flooring as a base for you to choose carpet, tiles or floorboards
- All bolting and attaching screws
- Full step by step assembly plan and our reliable customer support...
What is NOT included
- Internal bathroom [not supplied]
- Kitchen cupboards [not supplied]
- Electrical wiring [not supplied]
- Plumbing sewer and water [not supplied]
- Kitchen sink or appliances [not supplied]
- Floor furnishing like carpet or lino [not supplied]
- Lighting [not supplied]
- Power points [not supplied]
Crucial Note: All the above items are easy for a favourite local plumber and your favourite local electrician to install for you during the assembly process, before the floor panels are laid down and before the internal wall panels are fitted. You will need to engage a certified electrician and certified plumber if you want a kitchen and bathroom.
The Dream: Design Your Perfect Interior
Your MaxTrans granny flat kit is a true blank canvas, giving you complete control over the style, budget, and layout of your interior. This is your space to design your way.
Source It Your Way: Install a new flat-pack kitchen from suppliers like IKEA or Bunnings, repurpose a second-hand kitchen for a custom feel, or hire a professional fabricator to manage the installation for you. This same freedom applies to wardrobes, storage, and all internal fittings.
A Clever Layout Idea: The sample layout below demonstrates a smart, non-structural way to create a separate bedroom. A bank of freestanding wardrobes acts as a room divider, with the kitchen installed on the reverse side.
Smart Airflow: Because the wardrobes don’t reach the full 2.4m ceiling height, air from an A/C unit can freely circulate over the top and throughout the entire cabin, efficiently heating or cooling the whole space without the need for interior doors or vents.
Remember, the sample layout is just one of endless possibilities. You have the freedom to design and build whatever you like inside.
Questions about a Kit? Let's Talk!
Feel free to talk to us and your local council regarding placement details. We’re here to help and guide you.
