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Interest-Only Mortgage Calculator UK

Estimate the monthly interest payment on an interest-only mortgage. The capital balance is not repaid by these monthly payments.

This calculator is for illustration only and provides estimates for general information. It is not mortgage advice, a mortgage offer, a decision in principle or a guarantee of rates, fees, eligibility or savings.

Estimated monthly interest-only payment

£875

Capital balance still due at term end: £200,000

Interest-only mortgages require a credible repayment strategy. Availability depends on lender criteria and your circumstances.

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Calculator results are estimates only. Actual rates, fees, eligibility and products depend on your circumstances and lender criteria.

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Frequently asked questions

Does an interest-only mortgage repay the capital? +
No. Interest-only payments cover the interest charged, but the capital balance remains due at the end of the term unless it is repaid separately.
Are interest-only mortgages available to everyone? +
No. Availability depends on lender criteria, affordability, loan-to-value, repayment strategy and your circumstances.
Is this calculator a mortgage offer? +
No. It provides estimates only and does not confirm eligibility, rates, fees or suitability.

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Calculator-led mortgage planning

UK Mortgage Calculators is centred on practical estimation tools. The pages help you model cautious scenarios before you decide whether to request a broker or adviser callback.