Buying guide
Interest-only mortgages: A guide for property investors & homeowners
Considering going interest only? Here’s everything you need to know.

AI summary
An interest-only mortgage provides lower short-term repayments by only covering interest costs for a set period, typically up to five years. This can benefit property investors for tax purposes or homeowners needing temporary cash flow for renovations or financial hardship.
However, these loans carry significant risks. You won't reduce your principal, leading to higher total interest costs over the life of the loan. Repayments will also increase substantially when the interest-only period expires. Always seek professional financial advice first.
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
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