Use this mortgage balance calculator to find out how much you still owe on your mortgage after a number of years, how much capital you have repaid and how much interest you have paid so far. It is useful when your fixed deal ends or before you move or remortgage.
Your mortgage balance
- Balance left
- –
- Monthly payment
- –
- Capital repaid
- –
- Interest paid so far
- –
| Interest | Capital | Balance |
|---|
In the example, a £200,000 repayment mortgage at 4.5% over 25 years has a balance of about £175,716 after 5 years. You will have repaid £24,284 of capital and paid £42,416 of interest.
How to use the mortgage balance calculator
- Enter the amount you borrowed at the start.
- Enter the interest rate and the full term.
- Enter the years of payments made, in half years if you like.
- Read the balance and the year-by-year table.
Why the balance falls slowly at first
With a repayment mortgage, each payment is the same, but at the start most of it is interest because the balance is high. As the balance falls, less goes on interest and more on capital. That is why after 5 years of a 25-year mortgage you have usually repaid well under a fifth of the loan.
Mortgage balance examples
| After | Balance left | Capital repaid | Interest paid |
|---|---|---|---|
| 2 years | £190,935 | £9,065 | £17,615 |
| 5 years | £175,716 | £24,284 | £42,416 |
| 10 years | £145,317 | £54,683 | £78,717 |
| 15 years | £107,264 | £92,736 | £107,363 |
| 20 years | £59,629 | £140,371 | £126,429 |
If your rate has changed over the years, the mortgage balance calculator will be less exact. Your annual statement or online account shows the real figure.
Using your balance
Your balance and your home value give your loan to value (LTV). A lower LTV usually means cheaper remortgage rates; see the remortgage calculator. To bring the balance down faster, use the mortgage overpayment calculator.
Interest-only balances
On an interest-only mortgage, the balance stays the same unless you make overpayments. Use the interest only mortgage calculator to plan how to repay it.
Mortgage balance calculator: when to check
Check your balance a few months before your fixed deal ends, so you can compare remortgage deals on the right loan to value, and before you put your home on the market, so you know your equity.
MoneyHelper has a free guide to understanding your mortgage statement and options when a deal ends (MoneyHelper).
Frequently asked questions
How do I find my exact mortgage balance?
Check your online mortgage account, app or annual statement, or ask your lender for a redemption statement, which also shows any charges.
Why is my balance higher than I expected?
Rates may have been higher than you entered, you may have had a payment holiday, or fees were added to the loan.
Does the mortgage balance calculator include overpayments?
No. It assumes the normal payment each month. Overpayments would make your balance lower.
How much equity do I have?
Your home value minus your mortgage balance.
About this calculator
This mortgage balance calculator uses the standard amortisation formula and a constant rate, checked on 9 November 2026. Lenders may calculate interest daily, so small differences are normal.