Buying guide

Interest-only mortgages: A guide for property investors & homeowners

Considering going interest only? Here’s everything you need to know.

Ben Tutty
Last updated: 12 March 2024 | 7 min read
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An interest-only mortgage allows you to pay only the interest for a set period, not the principal. This lowers short-term costs and can be useful for investors seeking tax advantages or owner-occupiers managing temporary financial difficulty.

However, the risks are significant. You will pay more interest over the life of the loan, and repayments increase substantially when the interest-only period ends. It can also be harder to get approved and carries a risk of negative equity.

What is an interest only mortgage?

Why use an interest only mortgage?

Investors: for tax purposes

Owner-occupier: to help with short-term financial difficulty

Owner-occupier: to leave room for renovation expenses

For flexibility

An interest only mortgage can be a way to ease financial strain as a last resort.

The risks of interest only

Interest only mortgages cost more overall

When your interest-only period runs out your repayments will increase

If house prices were to fall, you could get into trouble

Your interest rate may be higher

It may be more difficult to get approval

What happens when an interest only loan expires?

How long can you pay interest only on a mortgage

Most loans are principal and interest but there is a place for interest only.

How much do interest only mortgages cost?

Interest only period of five years

Principal and interest repayments

Getting advice before you apply for an interest only home loan

Author

Ben Tutty Ben Tutty
Content Writer