Can you build a modular home in regional South Australia? Yes. EcoPrestige’s Domestic Program has two steps: Step 1 tests feasibility on your site, and Step 2 takes the home through design, planning and building consent, and the build by the practitioners SA requires. The modules are built in an offsite factory while your builder works on site.
This guide is for landholders in the Riverland, the Limestone Coast, the Murraylands, the Fleurieu, the Clare Valley and the Yorke and Eyre peninsulas. Most have the same complaint: the local builder is booked out, city builders will not travel, and a simple three-bedroom home turns into a long wait. A modular home changes where most of the work happens.
Why modular fits regional SA
In a country town, a stick-built home depends on trades arriving in sequence. Miss one and the job stops. With modular, the structure, roof, linings, joinery and wet areas are completed and checked in the factory. The site work that remains is short and predictable: footings, drainage, power, water, the lift and the connections. A small local builder can manage that list.
SA rules for second dwellings have also changed. The Premier of SA announced that ancillary accommodation (granny flats) can now be up to 70 m2, up from 60 m2, and no longer has to share cooking, bathing or laundry with the main house. PlanSA confirms all existing ancillary accommodation can be leased or rented out. Development approval is still needed.
What EcoPrestige supplies
We design and draft your home, then coordinate engineering, the energy rating and certification. As the manufacturer, EcoPrestige is responsible for every module: built and inspected in an offsite factory to Australian engineering and QA, then delivered to site.
- Steel-framed modules with the floor, walls, roof and internal linings finished.
- Wet areas and the kitchen fitted before the modules leave.
- Electrical and plumbing roughed in, ready for your builder to connect.
- A bill of quantities so a local builder can price the site works line by line.
- A supply price quoted for your site after Step 1.
We are not the builder. The builder on site is the owner’s builder or a local builder who works from our bill of quantities and holds the site contract. Full detail of the two steps is on our Domestic Program page.
What does not fit
- Backyards and narrow lots with no crane or truck access to the set-down point.
- Flood overlays along the Murray where the required floor level is higher than a practical footing allows.
- Bushfire overlays where the required construction level changes the cladding or glazing beyond the module design.
- Heritage or character areas, common in older towns, where the council wants a form the module cannot give.
- Sloping sites that need major retaining before a level pad exists.
If any of these apply, Step 1 says so plainly, and you keep the feasibility findings.
The approval path in SA
SA uses the Planning, Development and Infrastructure Act. A new home needs development approval, which has two parts: planning consent and building consent. Each is assessed by the council or by an accredited professional. Certification is done by an accredited professional under that Act.
SA has no designer or engineer registration category, so we can design and draft your home. A structural engineer signs the engineering. The energy assessment is done by an assessor independent of the design. A home is typically Class 1a, confirmed by your building surveyor. Confirm every signatory with your building surveyor or certifier. Our building permit guide for modular buildings covers inspections and occupancy.
The programme
Step 1 covers the site, access, services, overlays and a first layout. Step 2 covers the design, engineering, energy assessment, both consents and the build. Once building consent is granted, factory and site work run in parallel. Your builder sets the footings and brings services to the pad while the modules are built and inspected. Delivery is by truck, a crane places each module, and the builder connects and finishes before the final inspection. The installation and crane guide sets out pad, access and lift-day needs.
What to send us
- 1. The site address and certificate of title.
- 2. The zone and any overlays shown on the SA Planning and Property Atlas.
- 3. Photos of the access road, gate and set-down point.
- 4. The rooms you need and who will live in the home.
- 5. Services available: mains water or tank, sewer or septic, power.
- 6. Your builder’s details, if you have one lined up.
Renewal SA’s Regional Key Worker Housing Scheme also includes a prefab tender and a modular pilot (Premier of SA, 2025). Employers housing staff should read our page on regional key worker housing. For Adelaide and metro sites, see modular construction in South Australia.
Regional SA modular homes: FAQ
Do I need development approval for a modular home in regional SA?
Yes. Development approval under the Planning, Development and Infrastructure Act needs planning consent and building consent, assessed by the council or an accredited professional.
Who builds the home on my SA site?
Your own builder or a local builder. They price and carry the footings, services and connections using our bill of quantities. EcoPrestige manufactures and delivers the modules.
Can I rent out a granny flat in SA now?
PlanSA says all existing ancillary accommodation can be leased or rented out. New granny flats can be up to 70 m2 and still need development approval.
Send us your regional SA site
Send the site, the use and any drawings to prebuilt@ecoprestige.com.au or download our technical brochures.
Related: transportable homes in Murray Bridge.