Free financial calculator

Mortgage Overpayment Calculator

Estimate the interest and time potentially saved by regular mortgage overpayments.

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Adjust the assumptions

Mortgage Overpayment Calculator

Estimate the interest and time potentially saved by regular mortgage overpayments.

Figures are estimates. You can adjust every assumption.

Result

£0

View year-by-year breakdown
YearContributionsGrowthBalance

Questions answered

What this calculator helps you work out

  • How much mortgage interest could overpayments save?
  • How much sooner could the mortgage be repaid?
  • What would the new total monthly payment be?

Common questions

Mortgage Overpayment Calculator FAQs

Can lenders limit overpayments?

Yes. Many mortgages have annual limits or early repayment charges.

Does the interest rate stay fixed in reality?

Not always. This calculator holds it constant for comparison.

Are one-off overpayments supported?

This version models a regular monthly overpayment.