Mortgage & Investing
Should I overpay my mortgage or invest?
Compare the certain interest saving from overpaying with the possible value of investing the same spare cash.
Quick answer
Overpaying gives you a more certain benefit by reducing mortgage interest. Investing could produce a higher value, but returns are uncertain. The engine compares both paths using your figures and an assumed return.
Two possible futures
Overpay the mortgage
Reduce the balance, avoid interest and potentially become mortgage-free sooner.
Invest the spare cash
Keep the mortgage on its normal path and invest the same monthly amount.
The certainty distinction
Mortgage interest avoided is calculated from the figures entered. Investment value is a projection based on an assumed return and can rise or fall.
What matters beyond the number?
Overpaying can offer debt certainty and earlier payoff. Investing may offer more potential growth and access to a separate asset. Neither path is automatically right for everyone.
Compare your two futures
Enter your balance, rate, term, payment, spare cash and assumed return.
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Related questions
Educational comparison only. Returns are not guaranteed. This is not personalised financial advice; check your mortgage terms and early repayment charges.