Loans 2026-01-19 3 min read

Interest Only Loans? Discover Hidden Costs (2026)

Worried about higher costs with interest-only loans? Learn the real story and find smarter loan options. Unlock insights now!

Interest Only Loans? Discover Hidden Costs (2026)
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Are you considering an interest-only loan and wondering if it might be more expensive than a principal and interest loan? You're not alone. Many Australians are facing this critical decision as they navigate the complexities of home financing. With interest rates fluctuating and property markets evolving, understanding the true cost of an interest-only loan is essential. Let's delve into the intricacies and help you make an informed decision.

Understanding Interest-Only Loans

An interest-only loan is a type of mortgage where the borrower is required to pay only the interest on the loan for a specified period, typically between 1 to 5 years. During this time, the principal balance remains unchanged. Once the interest-only period expires, borrowers must start paying both principal and interest, often resulting in higher monthly repayments.

These loans can be appealing because they offer lower initial monthly payments, providing financial flexibility. However, they also come with potential downsides that need careful consideration.

Interest-Only Loan Rates and Requirements

In 2026, interest rates for interest-only loans in Australia range from 6.49% to 12%, depending on the lender and the borrower's creditworthiness. While these rates might seem competitive, they are generally higher than those for principal and interest loans.

Key requirements for securing an interest-only loan typically include:

  • A minimum deposit of 20% of the property's value
  • A good credit score (usually above 650)
  • Proof of stable income and employment
  • Compliance with lending criteria set by individual lenders

With access to over 83 lenders, Esteb and Co can help you find the most suitable interest-only loan options tailored to your financial situation.

Loan TypeInterest Rate RangeRepayment Structure
Interest-Only Loan6.49% - 12%Interest only for 1-5 years, then principal and interest
Principal & Interest Loan5.49% - 10%Principal and interest from the start

How to Choose the Right Loan Type

Choosing between an interest-only loan and a principal and interest loan can be challenging. Here are some steps to guide your decision-making process:

  1. Assess Your Financial Goals: Determine whether your priority is lower initial payments or long-term cost savings.
  2. Calculate Long-Term Costs: Use a mortgage calculator to estimate the total cost of the loan over its term, considering both interest-only and full repayment phases.
  3. Seek Professional Advice: Consult with a mortgage broker, like those at Esteb and Co, to explore options across multiple lenders.
  4. Consider Future Income Projections: Ensure you will be able to afford higher repayments once the interest-only period ends.
  5. Evaluate Your Risk Tolerance: Consider whether you are comfortable with the potential risks of an interest-only loan, such as rising interest rates and fluctuating property values.

Tips and Considerations

When contemplating an interest-only loan, keep these expert tips in mind:

  • Plan for the Future: Have a strategy for transitioning from interest-only to principal and interest repayments.
  • Build an Emergency Fund: Maintain a financial buffer to cover unexpected expenses or changes in income.
  • Review Regularly: Periodically reassess your loan terms and financial situation to ensure the loan remains suitable for your needs.
  • Consider Refinancing: If your situation changes, explore refinancing options to potentially secure a better deal.
  • Understand the Risks: Be aware that if property values fall, you might owe more than the property's worth at the end of the interest-only period.

Frequently Asked Questions

1. Are interest-only loans more expensive in the long run?

Yes, they can be. While they offer lower initial payments, you may end up paying more in interest over the life of the loan compared to a principal and interest loan.

2. Can I switch from an interest-only loan to a principal and interest loan?

Yes, you can. This often involves refinancing, which may incur fees, but it can be a good option if your financial situation changes.

3. Why are interest-only loans popular among investors?

Investors often favour them for tax benefits and cash flow flexibility, allowing them to reinvest in other opportunities.

4. What happens if I can't afford the higher payments after the interest-only period?

It's crucial to plan ahead. Consider building savings or refinancing before the higher payments begin.

5. Are there restrictions on how I can use an interest-only loan?

Typically, these loans are available for both residential and investment properties, but terms may vary based on the lender's criteria.

6. Do interest-only loans affect my credit score?

Like any loan, timely payments can positively impact your credit score, while missed payments can harm it.

By understanding the potential costs and benefits of an interest-only loan, you can make an informed decision that aligns with your financial goals. For personalised advice, consider reaching out to Esteb and Co, where our access to a broad lender panel can help identify the best options for your situation.

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Ricky Esteb - Licensed Mortgage Broker
Richard (Ricky) Esteb
Licensed Mortgage Broker & Founder
Credit Rep #574071 ACN 681 636 056 83+ Lender Panel

With direct experience helping Australians secure home loans, car finance, and business funding, Ricky founded Esteb and Co to bring transparency and technology to mortgage broking.

✓ Verified & Last Reviewed: 2026-01-19 | Content meets ASIC regulatory requirements