
Expandable living spaces
that open out on site.
They travel compact and open out once they are set down. The Expanda opens to 6.42 m wide, with the kitchen, bathroom and bedrooms already fitted.
Expandable models
Three ways to open out: on both sides, on one side, or with a section that slides.

Expanda
Our most popular range, folds out to full width
20FT, 30FT, 40FT · 1 to 4 bedroomsView the Expanda
Single Side Expandable
Ships 2.08 m wide, expands to 4.34 m
20FT, 30FT, 40FT · opens to 4.34 m wideView the Single Side Expandable
Slide-out Studio
Compact to transport, opens to 4 m wide on site
20FT, 30FT · 22 to 35 m²View the Slide-out StudioClosed for the truck. Open on site.
How each model changes size once it is in place.
- Expanda
Opens out on both sides to 6.42 m wide. 20FT to 40FT, one to four bedrooms.
- Single Side Expandable
Ships 2.08 m wide and opens on one side to 4.34 m. The pick when access to the site is tight.
- Slide-out Studio
Travels 2.26 m wide, then slides out to about 4 m behind a full glass wall.
Why choose an expandable.
- Easier to deliver
A narrower load is simpler to truck and crane, which helps on sites where access is tight.
- Set up within hours
The Expanda and Single Side Expandable open out and set up within hours of arrival.
- Fitted before it leaves
Kitchen, bathroom, wiring and plumbing fitted in the factory.
- The same build in every range
Galvanised steel frame, EPS-insulated walls and roof, and Low-E double glazing.
- Classic, Deluxe or Designer
Choose the Expanda's finish. Designer adds a 2.4 m ceiling, a custom kitchen and a deck.
- Built to last
Built to last 20 to 50 years with routine maintenance.
From quote to keys in 12 to 15 weeks.
- Quote
Size, finish, layout and delivery, itemised.
Reply in 1 business day - Build
Factory-built to your plan, with progress updates.
Weeks 1 to 10 - Deliver
Tilt-tray or crane onto piers, slab or compacted ground.
Weeks 12 to 15 - Connect
Water, waste and power at the labelled points.
Usually one day
Quote to keys in 12 to 15 weeks, on average
Questions people ask
How does an expandable living space open out?
It is delivered closed, set down on piers, a slab or compacted ground, and then opened out on site. The Expanda opens on both sides, the Single Side Expandable on one, and the Slide-out Studio slides a section out.
How long does it take to set up?
The Expanda and Single Side Expandable open out and set up within hours of arrival. Your trades then connect water, waste and power, usually in one day.
How big is it once it is open?
The Expanda is 37 m², 57 m² or 75 m² in 20FT, 30FT and 40FT. The Slide-out Studio is 22 m² or 35 m². The Single Side Expandable opens to 4.34 m wide in 20FT, 30FT and 40FT lengths.
Is it as solid as a fixed build?
Every range has a galvanised steel frame, EPS-insulated walls and roof and Low-E double glazing, and is built to last 20 to 50 years with routine maintenance.
Do I need council approval?
Usually, yes. The rules differ between WA and Queensland and between councils. We explain what your block needs before you order.
Customer reviews
See what owners across WA and QLD say about their Eco Portable.
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