Free financial calculator

Mortgage Overpayment vs Investing Calculator

Compare using spare monthly cash to overpay a mortgage or invest alongside it.

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Adjust the assumptions

Mortgage Overpayment vs Investing Calculator

Compare using spare monthly cash to overpay a mortgage or invest alongside it.

Figures are estimates. You can adjust every assumption.

Result

£0

View year-by-year breakdown
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Questions answered

What this calculator helps you work out

  • Could mortgage overpayments or investing finish ahead?
  • How does my mortgage rate compare with an assumed investment return?
  • What happens after an overpaid mortgage is cleared early?

Common questions

Mortgage Overpayment vs Investing Calculator FAQs

Is mortgage overpayment guaranteed to save interest?

Usually, provided your lender applies the payment to principal and does not charge a penalty.

Are investment returns guaranteed?

No. The investment result is an illustration and can be lower or negative.

Does this include early repayment charges?

No. Check your mortgage terms before making an overpayment.