Granny flats,
built off-site.
Studio, 1 and 2 bedroom designs with the kitchen, bathroom and wiring already in. Delivered and connected in 12 to 15 weeks.
Granny flat models
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 Studio
Studio Portable Dwelling
Self-contained studio, fitted out your way
20FT, 30FT, 40FT · 12 to 23 m²View the Studio Portable DwellingWhy build off-site.
- 12 to 15 weeks
Built in our factory while your site is prepared, so there is no long build in your backyard.
- Delivered complete
Arrives with the kitchen, bathroom, wiring and plumbing fitted.
- Classic, Deluxe or Designer
Choose the finish level, colours and layout that suit how it will be used.
- Galvanised steel frame
Welded steel, insulated walls and roof, and Low-E double glazing in every range.
- Help with approvals
Rules differ between WA and Queensland. We walk you through what your block needs.
- Finance available
Spread the cost with finance through our lending partner.
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 much does a granny flat cost?
It depends on the size, the range and the finishes you choose. Tell us what you need and we will send a quote within one business day.
Do I need council approval?
Usually, yes. The rules differ between Western Australia and Queensland and between councils. We explain what your block needs before you order.
How long does it take?
Most builds take 12 to 15 weeks from order to delivery. The build happens in our factory while your site is prepared.
How is it connected to power and water?
Wiring and plumbing are fitted in the factory. Once it is set on site, your licensed plumber and electrician connect the external points.
Customer reviews
See what owners across WA and QLD say about their Eco Portable.
Spread the cost with Credit One
Low-rate finance from more than 40 Australian lenders, with personal, business and rural options.
Subject to lender approval. Rates and terms are set by the lender.
Get your quote, or come and see one.
A real person replies within one business day.