What a granny flat costs,
and what's in the price.
Every quote is itemised, so you can see what is included and what to budget for on site. Tell us what you need and we reply within one business day.
Get a price on any model
Pick a model to see its sizes, layouts and finishes, then ask for a quote.
Eco Cabin
Rounded fibreglass cabin with glass walls
20FT, 30FT, 40FT · wall of glassView the Eco Cabin
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 DwellingWhat affects the price.
- Size
20FT, 30FT or 40FT. A longer unit has more floor area, more materials and more fit-out.
- Range and upgrades
Classic, Deluxe or Designer, plus the upgrades you add, such as a 2.4 m ceiling or built-in robes.
- Layout
A standard plan or a custom design. Extra rooms, bathrooms, a laundry or a deck add to the build.
- Delivery distance
Delivery is priced to your postcode and itemised in your quote.
- Crane and site works
A crane where a truck cannot reach, plus piers, a slab or compacted ground.
- Connections
Your licensed plumber and electrician connect water, waste and power at the labelled points.
What's included and what's extra.
Your quote lists each one.
- Included: built and fitted out
The kitchen, bathroom, wiring and plumbing are fitted in our factory.
- Included: your range
The frame, insulation, glazing and finishes of the range and layout you choose.
- Included: certified fittings
SAA-certified electrical and WaterMark-certified plumbing fixtures.
- Extra: delivery
Transport to your site, priced to your postcode.
- Extra: crane and site works
A crane if needed, site preparation and the base the unit sits on.
- Extra: connections
Your own licensed trades connect water, waste and power.
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, range, layout and finishes, plus delivery, crane and site works. Tell us what you need and we send an itemised quote within one business day.
What is included in the price?
The unit, built and fitted out in our factory with the kitchen, bathroom, wiring and plumbing. Delivery, a crane, site works and connection by your trades are extra, and your quote lists each one.
Does delivery cost more in regional areas?
Delivery is priced to your postcode, so the delivery line in your quote depends on where your site is.
Can I get finance?
Yes, through Credit One, who work with more than 40 Australian lenders. Apply online and a broker calls you with options.
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.