Calculator 04

Overpayment calculator

Overpayments come straight off the capital, so the interest saving compounds. Here is what a fixed monthly extra is worth.

Your mortgage

£
%
yrs
£

Most fixed deals allow overpayments of up to 10% of the balance each year — £24,000 here, or £2,000 a month — before an early repayment charge applies.

Interest saved

£35,714

Paying £1,506 a month instead of £1,306

Term cut by

5y 3m

Mortgage clear in

19y 9m

With and without overpayments

Normal monthly payment£1,306
Payment with overpayment£1,506
Interest without overpaying£151,666
Interest with overpaying£115,952
Total extra paid in£47,400
Net saving£35,714

Assumes the rate and the overpayment stay constant and that the lender reduces the term rather than the payment. Check whether your lender applies overpayments daily or annually.