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Credit Score and Home Loan Approval: What Matters

Your credit file and credit score significantly influence your home loan approval and the interest rate you’re offered. Understanding what lenders look for helps you prepare a strong application.

Credit file basics:

Your credit file is a record of your borrowing and repayment history. It includes: credit cards, personal loans, buy-now-pay-later accounts, mortgage history, defaults, and enquiries (hard hits from loan applications).

Lenders access your credit file during the application process. They’re looking for evidence that you pay your obligations on time.

What lenders want to see:

No defaults: a default is a missed payment (usually 60+ days overdue). Even one default hurts your application. Multiple defaults are often a decline.

No judgments: a court judgment for unpaid debt is a major red flag.

No bankruptcies: if you’ve been bankrupt, lenders will typically decline until 5–7 years have passed.

On-time payment history: consistent, on-time payments across multiple accounts show you’re reliable.

Low existing debt: if you already have high debt levels, you’re overextended. Lenders want to see room in your budget.

Few recent enquiries: too many hard enquiries (multiple loan applications) in a short period suggests you’re desperate for credit.

How bad is a default?

A single default from 5+ years ago that you’ve since cleared might not be a complete blocker—lenders are more forgiving if it’s in the past and you’ve recovered. But it will limit your options and potentially increase your interest rate.

A default from 1–2 years ago is current news and will hurt you significantly.

Building a good credit file:

  1. Pay all bills on time: credit cards, loans, utility bills, rent
  2. Keep credit card balances low (under 30% of limit)
  3. Don’t apply for credit you don’t need (every application creates a hard enquiry)
  4. Dispute any errors on your file (contact the credit bureau)
  5. Build credit history (if you’re new to Australia or young, this takes time)

If you have credit issues:

If you have a default or missed payment:

  1. Don’t apply for a mortgage immediately—wait 2–3 years to let time pass
  2. Once you’ve waited, build a clean payment record for 12–24 months before applying
  3. Use a mortgage broker to find lenders who work with imperfect credit (non-bank lenders are more flexible)
  4. Be prepared for higher interest rates (1%–2% higher) to compensate for risk

If you have a more serious issue (judgment, bankruptcy):

  1. Wait until the statutory period has passed (5–7 years, depending on the issue)
  2. Once past, rebuild your credit file aggressively (2–3 years of perfect payment history)
  3. Expect mainstream lenders to decline; use non-bank lenders

Getting your credit file:

You can check your credit file for free (once per year) through Equifax or Experian. Do this before you apply for a mortgage—you might discover issues you can fix first.

Credit score vs. credit file:

Australia doesn’t use credit scores the way the US does. Lenders assess your file directly, not a single score. However, some reporting agencies calculate scores (1–1,000 range) for general guidance.

A score above 700 is generally considered good. Below 600 is concerning.

Remember: the score is indicative; what matters is the actual file content.

Timing your application:

If you have a recent hard enquiry (from applying for a car loan), wait 3 months before applying for a mortgage. Each hard enquiry stays on your file for 5 years but looks most damaging when recent.

If you’re planning to buy in 6 months, pay down debt and avoid new applications now. This improves your file considerably.

Real scenario:

You have AUD 30,000 in credit card debt across 3 cards. You want to buy a home.

Before applying: pay off at least 2 of the 3 cards, bringing your total debt down to AUD 10,000. This shows you’re managing debt responsibly.

Why: lenders assess your debt-to-income ratio. High existing debt limits how much additional mortgage debt they’ll approve you for.

The bottom line:

Your credit file is a proxy for reliability. Lenders want evidence that you pay your obligations. If your file is clean, approvals and rates are competitive. If it’s messy, you’ll face declinations or higher costs.

Check your file before applying, fix any issues, and if you have a recent problem, wait 2–3 years before applying for a mortgage.