Mortgage Calculator
Calculate mortgage payments from loan amount, rate, and term.
Estimate repayments and overpayment savings.
Already paid off
How long you’ve already been paying — used to estimate the remaining balance.
Pay off faster
See the impact of overpaying monthly or making a lump-sum overpayment now.
On top of your normal repayment
One-off overpayment against the remaining balance
Monthly repayment
£1,658.04
Loan £270,000.00 · remaining £270,000.00
Original loan
£270,000.00
Remaining balance
£270,000.00
Time left
25 years
Interest left
£227,410.87
In-depth explanation
Monthly mortgage payments depend on the loan amount, interest rate, and repayment term. This calculator uses a standard amortising loan formula to estimate your repayment and total interest over the life of the loan. Everything runs locally in your browser — your inputs are not uploaded to produce the result.
It uses the standard amortising loan formula based on principal, annual interest rate, and number of monthly payments. This estimates capital and interest repayments only. Use the Stamp Duty Calculator for UK purchase tax estimates.
Enter the property price and deposit so the loan amount reflects how much you need to borrow. Use Mortgage Calculator for quick planning; confirm important money, tax, or health decisions with an official source or professional when needed.
Frequently asked questions
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