How ABN Age and Industry Risk Shape Your Home Loan Chances

If you’re self‑employed with an ABN, lenders absolutely look at your ABN age, industry risk and business stability when deciding whether to approve your home loan and how much you can borrow. They want at least two years of stable, provable income, a business that looks sustainable, and an industry that fits their risk appetite. But these factors are rarely black‑and‑white, and there are usually ways to work around weaknesses.

In this guide, we’ll unpack how ABN age, industry and stability really affect your application – and what you can do this week to put yourself in a stronger position.

1. Quick answer: how lenders view ABN holders

For ABN holders, lenders focus on three things:

1. ABN age – how long you’ve been trading in your current structure.
2. Industry risk – how volatile or secure your line of work looks to the bank.
3. Business stability – whether your income story suggests you can keep making repayments.

Most Australian lenders prefer at least two full years of lodged tax returns and business financials before using self‑employed income in their servicing calculations (as outlined in /insights/preparing-business-financials-for-the-bank and /insights/start-up-to-homeowner-five-year-roadmap). They’ll then assess your borrowing power using a 3% serviceability buffer above the actual rate (APRA guidance) and apply conservative assumptions to variable income.

The good news: if one area is weaker (for example, a newer ABN), you can often compensate with a stronger deposit, better documentation, or a lender that’s more comfortable with your industry. The key is understanding which levers you can pull.

2. ABN age: why it matters and typical rules

2.1 Standard ABN age expectations

From a lender’s perspective, your ABN age is a proxy for business survivability. The longer you’ve been trading without drama, the more comfortable they are that your income will continue.

Typical patterns:

• 2+ years ABN

  • Sweet spot for most mainstream lenders.
  • They’ll usually want two full years of personal tax returns and business financials.
  • Income is often assessed using the lower of the last two years or an average, with adjustments if the most recent year is much higher.

• 1–2 years ABN

  • Still possible, but lender selection narrows.
  • You may fall into alt‑doc territory (using BAS, bank statements or accountant letters) rather than full‑doc, often at slightly higher rates and lower maximum LVRs (see /insights/documentation-pathways-full-doc-alt-doc-low-doc-options).
  • Lenders will lean heavily on evidence of continuity of income from your previous role.

• Less than 12 months ABN

  • Very challenging for full‑doc.
  • Some niche or alt‑doc options may exist if you have:
    • A strong track record in the same industry as an employee or contractor.
    • Significant cash savings or equity and a low proposed LVR.
    • Clear, consistent business bank statements.

2.2 When a younger ABN can still work

Lenders care less about the date on your ABN and more about whether this is a genuine continuation of your earning capacity.

A younger ABN can sometimes be acceptable if:

• You moved from PAYG to contracting in the same role or industry.
• You restructured (for example, from sole trader to company) but your actual work hasn’t changed.
• Your business income is clearly rising and can be verified by BAS and bank statements.

In those situations, a lender may:

• Look at your prior PAYG payslips and group certificates to show a multi‑year income history.
• Blend your old PAYG income with new ABN income.
• Use an alt‑doc pathway (BAS, business bank statements, accountant letter) while charging a small premium and reducing maximum LVR (as discussed in /insights/preparing-business-financials-for-the-bank).

2.3 What if you’ve just gone self‑employed and want to refinance?

A common scenario: you took out a home loan as a PAYG employee, then started your own business. Now you want to refinance for a better rate or to release equity.

Issues that can arise:

• Your old PAYG income is no longer valid for serviceability.
• Your business is new, with limited evidence of sustainable income.
• Some lenders may insist on one to two years of ABN trading before they’ll rely on your new income.

Possible workarounds:

• Keep your existing loan in place until you have strong ABN history.
• Refinance to a lender that allows alt‑doc using BAS and bank statements.
• If there’s a co‑borrower with PAYG income, structure the loan so their income carries more of the servicing load.