Mortgage Overpayment Calculator

Mortgage Overpayment Calculator

Mortgage Overpayment Calculator

See how overpayments can reduce your mortgage term and save you money

Mortgage Details

Typically you're only allowed to overpay by 10% of your outstanding mortgage balance per year.

Overpayment Options

%
and/or
Monthly
Quarterly
6 months
Annually

Compare to Savings

See how much you'd earn putting the same amount into a savings account (repayment mortgages only).

If you're not sure, most people don't pay tax unless they've a lot of savings, so leave it as 'None'

Results

Monthly Payment
£658.62
Total Interest
£107,103
Time Saved
4 years
2 months
Interest Saved
£25,422
With Overpayments

By making a one-off payment of £0 and monthly overpayments of £200:

  • You will pay off your mortgage 4 years and 2 months earlier
  • You will save £25,422 in interest
  • Your new payoff date is October 2046
Comparison with Savings

If you put your overpayments into a savings account instead:

  • You would earn approximately £18,420 in interest
  • After tax, this would be £18,420
  • Overpaying your mortgage gives you £7,002 more benefit
Summary

Your regular monthly payment would be £658.62. With overpayments, you'll pay off your mortgage faster and save money on interest. The results show that overpaying your mortgage is more beneficial than saving in this scenario.