Secured vs unsecured business loans in Australia: cost, risk and what you put on the line
How property-secured, GSA-secured and unsecured business loans differ in Australia, with a worked cost comparison and a checklist for choosing security.
A secured business loan is cheaper because the lender can sell a specific asset if you do not repay; an unsecured loan costs more because it cannot. In Australia the choice is rarely "security or nothing": most "unsecured" business loans still require a personal guarantee from the directors, and many "secured" loans combine a property mortgage, a general security agreement over the business and guarantees. The right question is which of your assets are exposed under each option, and how much that protection is worth in interest saved.
This guide is part of the small business loan rates overview. Figures are illustrative.
The three levels of security
| Level | What the lender holds | Typical use | What you risk |
|---|---|---|---|
| Property-secured | Registered mortgage over commercial or residential land, often with a guarantee from the owner | Larger loans, long terms, buying premises or a business | The property itself, including a family home if offered |
| Business-asset secured | General security agreement (GSA) registered on the PPSR, or security over a specific asset such as equipment | Working capital, equipment, mid-sized loans | Business assets, receivables and stock; directors via guarantee |
| Unsecured | No specific asset; usually a director or personal guarantee | Small, quick working capital loans | Guarantors' personal assets if the business cannot pay |
A guarantee is not security over a particular asset, but if it is called, the guarantor owes the money personally and the lender can sue and, ultimately, pursue bankruptcy. See personal guarantees before you sign one.
Worked example: price of the same loan with and without property
A business needs $120,000 over four years. Three illustrative offers:
| Offer | Security | Rate | Fees | Monthly repayment | Interest over 4 years |
|---|---|---|---|---|---|
| A | Mortgage over the owner's home + guarantee | 8.6% | $2,200 (valuation, legal, establishment) | about $2,963 | about $22,200 |
| B | GSA over business + director guarantee | 11.0% | $1,200 | about $3,101 | about $28,900 |
| C | Director guarantee only | 15.5% | 3% deducted ($3,600) | about $3,370 | about $41,800 |
Total cost (interest plus fees): A about $24,400, B about $30,100, C about $45,400. The step from C to A saves about $20,900 over four years, or roughly $435 a month.
That saving is the price of putting the family home on the line. Ask yourself what would happen to the household if the business failed in year two. Many owners decide that a dearer loan secured only over the business is the better trade, especially when the business has volatile income.
What "all present and after-acquired property" means
Many GSAs cover all present and after-acquired property of the business, often shortened to ALLPAAP. That includes equipment, stock, debtors, intellectual property and assets bought after the loan starts. It can make later finance harder: an equipment financier or invoice financier may need the first lender's consent or a priority arrangement. The PPSR and GSA guide explains registration and priority.
How lenders value security
Lenders do not lend 100% of an asset's value. They apply a loan-to-value ratio (LVR) that reflects how easily they could sell it:
| Security | Illustrative maximum LVR | Why |
|---|---|---|
| Residential property | Often up to around 70–80% | Liquid market, stable values |
| Commercial property | Often lower than residential, e.g. 60–70% | Fewer buyers, vacancy risk |
| Specialised property (pubs, service stations, farms) | Lower again, case by case | Value depends on the business operating |
| Vehicles and standard equipment | Varies by age and resale market | Depreciates, but has a resale market |
| Stock, goodwill | Little or no lending value on its own | Hard to sell separately |
These ranges are illustrative; each lender sets its own policy. Example: a commercial property valued at $800,000 at a 65% LVR supports up to $520,000 of lending, minus any existing mortgage.
Checklist: choosing your security level
- Can the business repay from cash flow alone, with a buffer? If not, no security level makes the loan safe.
- Which assets do you want to keep out of reach? Write them down before talking to lenders.
- Does the loan need to last longer than three to five years? Longer terms usually need stronger security.
- Will you need more finance later (equipment, invoice finance)? A broad GSA may complicate it.
- If a guarantee is needed, can it be limited to a dollar amount or to one facility?
- Is your spouse or partner a co-owner of the property? They will need independent legal advice before signing.
- Have you priced the unsecured option in total dollars, not just the rate?
Releasing security later
Security is not permanent. Once the balance falls or the business has a strong track record, you can ask the lender to release the property, reduce the guarantee or refinance to a business-asset-only loan. Lenders are not obliged to agree. The refinancing worked example shows how to weigh switching costs.
When to get professional advice
Get independent legal advice before giving a mortgage over a home or signing a guarantee. Many lenders require a solicitor's certificate for third-party guarantors. Your accountant can advise whether the borrowing entity and security provider should be the same, which matters for tax and asset protection.
Related guides
Security also changes the fees you pay: valuation, legal and registration costs are covered in the fees guide. If you have no property to offer, invoice finance and equipment finance use other assets as security.
Frequently asked questions
Is an unsecured business loan really unsecured?
Usually only in the sense that no specific asset is registered. A director guarantee is standard, and some lenders also register a GSA or a caveat. Read the security clause.
Can I use my super to secure a business loan?
Superannuation generally cannot be used as security for a personal or business loan while preserved. Speak to your fund or a licensed adviser before considering any arrangement.
Does a secured loan always have a lower rate?
Usually, but not always. A small secured loan with high valuation and legal costs can cost more in total than a slightly dearer unsecured loan. Compare total cost.
Can the lender take my house if I miss one repayment?
Enforcement follows default notices and processes in the contract and state law. Missing payments is serious, but there are steps before enforcement. See covenants, defaults and reviews.
Sources
- PPSR — search and register security interests over business assets
- ASIC — consumer and business credit rules, company records
- business.gov.au — business finance and security guidance
- Australian Banking Association — Banking Code of Practice — guarantor protections for bank loans
