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Mortgage Rate Change Calculator UK

Compare estimated monthly repayments at two interest rates before reviewing wider mortgage costs and lender criteria.

Rate change calculator

Current payment
£—
Revised payment
£—
Monthly movement
£—

This estimate assumes capital-and-interest repayments and does not include product fees, broker fees, valuation fees, legal costs or early repayment charges.

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How to interpret the result

Use the monthly movement as a planning estimate only. A real remortgage decision should also consider fees, whether any charge applies to leave the current deal, the repayment type, the property valuation and lender affordability checks.

Your home may be repossessed if you do not keep up repayments on your mortgage.

Frequently asked questions

Does this show the rate I can get? +
No. It compares repayment estimates at rates you enter. Product availability, rates and fees depend on lender criteria and your circumstances.
Why does a small rate change affect payments? +
Mortgage interest is charged on a large balance over time, so even a modest rate movement can change the monthly repayment estimate.
Does this include product fees? +
No. It focuses on monthly repayments. Product fees, valuation fees, legal costs and early repayment charges should be considered separately.

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.

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