Why would someone want an interest-only mortgage?

Asked by: Prof. Jack Parisian  |  Last update: August 22, 2026
Score: 4.3/5 (37 votes)

People get interest-only mortgages for lower initial payments, freeing up cash for investments or other expenses, often when expecting higher income later or planning to sell/refinance before principal payments begin. Benefits include increased short-term cash flow, affording more expensive properties, and flexibility, but they risk higher payments later and no equity build-up during the interest-only phase, requiring a solid repayment plan like refinancing or selling.

Why do people take interest-only mortgages?

What are the benefits of interest-only mortgages? Some people like the flexibility to be able to make lower payments initially, and pay more when their income or savings increase near the end of their mortgage term.

Who is an interest-only mortgage best suited for?

An interest-only mortgage offers a lower monthly payment at first and is best suited for people with ample assets, good credit and short-term ownership.

Why would someone take out an interest-only loan?

Pros. Lower repayments during the interest-only period could help you save more or pay off other more expensive debts. Short-term finance that covers the period between buying a new property and selling your existing property. A type of home loan for people who are building their own home.

What are the disadvantages of interest-only mortgage?

The biggest drawback of an interest only mortgage is that you don't pay off the loan as you go. This means you have to find another way to do this – you can't just forget about it. Another downside of an interest-only mortgage is that the total amount you repay over time will be much higher than a repayment mortgage.

Interest Only Mortgage Explained

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Why is no one talking about interest-only mortgages?

Interest-only mortgages used to be easy for banks to resell to other financial institutions. That's no longer the case. Today, this loan type is seen as higher risk. As a result, mortgage lenders often charge higher interest rates than they do for fixed-rate mortgages.

How much is an interest-only mortgage on $200,000?

An interest-only mortgage payment on $200,000 depends on the interest rate, but at 5%, it's around $833/month (just interest), significantly lower than principal & interest payments, though you never build equity and pay more total interest over time, with later payments including principal. For example, at 3.25%, the initial payment is about $542/month for the interest-only period. 

Is it better to pay interest only or principal and interest?

If you intend to invest and sell before the loan term ends, interest-only might be useful for you. On the other hand, if you're buying a family home for the long term, principal-and-interest repayments might serve you better.

When should you get an interest-only mortgage?

Interest-only mortgages are more common in the buy-to-let mortgage market, where landlords plan to sell the property later to repay the loan. If you do qualify for a residential interest-only deal, it could help reduce your monthly payments in the short term.

What credit score is needed for a interest-only loan?

You'll need to be well-qualified to be approved for an interest-only mortgage. Banks generally look for borrowers who have: A credit score of 700 or more. A debt-to-income (DTI) ratio of 43 percent or less.

What percentage of people have interest-only mortgages?

Interest-only mortgages make up 9% of the total number of regulated mortgages, and part-and-part mortgages make up 3%. The remaining 88% are capital and interest mortgages. The peak years when the largest number of interest-only mortgages are due to mature are 2031 and 2032, with a smaller peak around 2027.

Who is an interest-only loan good for?

An interest-only mortgage starts with payments that only pay down the mortgage interest. Generally, this makes your monthly payments lower than a typical mortgage payment. This option is attractive for those who cannot afford high mortgage payments.

What happens at the end of an interest-only mortgage?

When your interest-only mortgage ends, your lender will expect you to pay off the loan in full with a single lump sum. Hopefully this won't be a surprise. Your lender should have been in touch with you a year before, six months before and finally just before the end of your mortgage.

Is it hard to get approved for an interest-only loan?

While an interest-only loan may sound appealing for people looking to keep their payments low, it can be more difficult to get approved and is typically more accessible for people with significant savings, high credit scores and a low debt-to-income ratio.

How do I pay off an interest-only mortgage?

With interest-only mortgages, you only pay off the interest on the amount you borrow. You use savings, investments or other assets you have (known as 'repayment plans') to pay off the total amount borrowed at the end of your mortgage term.

What is the 3 7 3 rule in mortgage?

The 3-7-3 Rule in mortgages isn't a loan type but a federal timeline from the TILA-RESPA Integrated Disclosure (TRID) rule, ensuring borrower protection by mandating disclosures within 3 business days of application, a 7-business-day wait between the initial Loan Estimate and closing, and another 3-day wait if significant changes (like APR) occur, giving borrowers time to review costs before committing to a loan.

What is the average age people pay off their mortgage?

The average age to pay off a mortgage in the U.S. is around 62, with many becoming mortgage-free in their early 60s, coinciding with or just after typical retirement age, though figures vary by source. While some financial experts suggest paying it off by 45 for aggressive investing, data shows a significant portion of homeowners, especially older ones (60+), are mortgage-free, but increasingly, older adults (60s, 70s, 80s) carry more mortgage debt than previous generations, according to Marketplace. 

What are common first-time home buyer mistakes?

Ignoring Their Budget

One of the most common mistakes first-time home buyers make is underestimating the costs involved. It's crucial to establish a budget and stick to it. Include not just the mortgage, but also property taxes, insurance, maintenance, and unexpected expenses. A common rule of thumb is the 28% rule.