These terms can describe how a product is made, transported or installed. They do not, on their own, confirm its building classification, lawful use, approval pathway or finance eligibility. Suppliers may use the same term differently, so compare the actual scope rather than the label.
A practical terminology guide
| Term | What it commonly describes | What to confirm |
|---|---|---|
| Prefabricated or prefab | Components or buildings made off site | How much work remains on site and who performs it |
| Modular | Sections manufactured off site and assembled or installed as a building | Module sizes, joining details, engineering and installation |
| Manufactured home | A factory-produced home; the term can have a specific meaning under local rules | Which legal pathway and installation requirements apply |
| Transportable or relocatable | A product designed for transport or future relocation | Transport envelope, lifting, supports and destination requirements |
| Expandable | A compact transport form that opens to an expanded footprint in this range | Expanded dimensions, deployment, supports and services |
The categories can overlap. A modular product can be prefabricated and transportable. An expandable format does not mean a home is approved for later room additions, and none of these words creates a general approval exemption.
Classification follows the proposed use
The ABCB classification guide distinguishes buildings according to use. A single dwelling, commercial office, accommodation facility and non-habitable outbuilding can involve different requirements even if manufactured by similar methods.
Ask the responsible council or certifier which classification and pathway apply to your proposal. Do not import overseas legal definitions or assume that placing a product on foundations or a trailer settles the question.
Compare complete scope, not just a product price
Ask each supplier to identify:
- 01Current dimensioned drawings and the selected layout.
- 02Included materials, finishes, fixtures and services.
- 03Engineering and certification evidence for the actual product and site.
- 04Factory work versus site assembly, installation and connections.
- 05Freight, access, lifting, supports and approval responsibilities.
- 06Warranty terms, exclusions, inspection records and handover documents.
Prices can appear very different when one supplier quotes a shell and another includes fit-out or installation. ModuHaus starting prices are indicative product guidance; a final quote requires assessment of the configuration, site and delivery requirements.
Finance and long-term use
A factory-produced building is not automatically eligible for a standard home loan. Ask a lender or broker to assess the borrower, land, security, supplier terms and payment stages. A permanent installation does not guarantee capital growth or resale value.
See the finance guide before relying on funding. CommBank's prefab lending information is one lender's offering, not a guarantee for every product or applicant.
Frequently asked questions
Is prefab the same as modular?
Prefab is a broad description of off-site manufacture. Modular commonly describes sections made off site and installed or assembled into a building. Confirm how the supplier uses each term and what site work remains.
Does manufactured mean the home has a different building classification?
Not by itself. Confirm the intended use, applicable local rules, approval pathway and certification documents for the actual proposal rather than inferring classification from the manufacturing label.
Are transportable homes exempt from approval?
Do not assume so. Intended use, duration, installation, services and site controls can affect the requirements. Ask the responsible authority about the specific property and proposal.
Which format does ModuHaus offer?
The catalogue includes permanent-home, portable, expandable and studio products. Compare the actual model and project scope; the catalogue category is not confirmation of an approval or finance outcome.
Choose the product after defining the brief
Read the permanent, relocatable and expandable comparison, browse the collections, and use a Planning Assessment to describe the site and intended use. Confirm the final pathway and technical requirements with the responsible professionals before committing.
Sources and further reading
Requirements change and can be applied differently by site and local authority. Check the current official sources and confirm your project with the relevant council, certifier or qualified professional.