Interest Only Mortgage Calculator
Calculate the impact of an interest-only period on your mortgage. Compare your current repayments against an interest-only structure to see how much cash you could free up.
Plan Your Next Move with Westgate Home Loans
Are you looking to lower your initial monthly repayments, maximise your investment cash flow, or manage your budget during a home build? An interest only mortgage can be a powerful financial tool when used strategically.
Use our Interest Only Mortgage Calculator below to estimate your repayments and see how switching from principal and interest (P&I) could impact your monthly budget.
Why Use an Interest Only Mortgage?
Choosing an interest only (IO) period means your monthly repayments only cover the interest charged by the lender. Because you aren’t paying down the loan balance (the principal), your out-of-pocket costs are significantly lower for a set period – usually 1 to 5 years.
Key Benefits for West Australian Borrowers:
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Boost Investment Cash Flow: For property investors, IO loans can keep costs low while you wait for capital growth, often offering tax advantages by maximizing deductible interest.
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Support During Construction: If you’re building with partners like Summit Homes Group, an interest only period during the build helps manage your budget before you move in.
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Flexibility for Families: Lowering repayments temporarily can provide a financial “breather” during parental leave or while managing other major life expenses.
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Strategic Repayment: Use the extra cash to pay down higher-interest debt (like credit cards) or build up an offset account.
Important Considerations
While the lower payments are attractive, it is important to understand the long-term impact:
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No Equity Growth: You aren’t reducing your debt during the IO period.
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Higher Total Interest: Because the principal stays the same longer, you will pay more interest over the life of the loan.
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The “Repayment Jump”: Once the IO period ends, your payments will increase significantly as you begin paying back both principal and interest over a shorter remaining term.
Why Partner with Westgate Home Loans?
At Westgate Home Loans, we don’t just give you a calculator; we give you a strategy. As a leading Perth mortgage broker with access to over 40 lenders, we help you navigate the complexities of the WA property market.
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Tailored Advice: We compare hundreds of products to find the right interest only terms for your specific goals.
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Local Expertise: Whether you are a first-home buyer in Baldivis or an investor in Joondalup, we understand the local landscape.
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Construction Specialists: We specialise in construction finance, ensuring your progress payments and loan structure align perfectly with your builder’s timeline.
Frequently Asked Questions (IO Mortgage Calculator)
Q. Can I switch back to Principal and Interest early?
A. Yes, most lenders allow you to switch back to P&I repayments before your interest only period ends. Our brokers can help you review your contract for any potential fees.
Q. Are interest rates higher for interest only loans?
A. Generally, yes. Lenders often charge a slightly higher interest rate for interest only repayments compared to standard principal and interest loans.
Q. Is an interest only loan good for first-home buyers?
A. It can be, especially for those expecting their income to rise or those managing a construction build. However, it requires careful planning to ensure you can afford the higher payments later.
