The Mortgage Ledger

United Kingdom

United Kingdom overpayment calculator

See how much interest you would save, and how many years you would cut off the mortgage, by paying a little extra each month.

Your mortgage

Paid on top of your normal payment, straight off the principal.

Overpaying £200.00/mo

£91,173

saved in interest over the life of the loan

Time cut off the mortgage
6 yrs 9 mos
Interest without overpaying
£347,515
Interest with overpaying
£256,341
Most UK fixed deals allow overpayments of up to 10% of the outstanding balance per year without an early repayment charge (ERC). Overpay beyond that during the fixed period and the ERC can be several percent of the amount. Confirm your deal's overpayment allowance.

An estimate to help you plan — not financial advice. Assumes the extra amount is paid every month for the life of the loan and applied to principal.