UK Mortgage Calculator

Enter your property price, deposit, and interest rate to see monthly repayments

Supports repayment & interest-only · Updated 2025

Monthly payment

Monthly repayment£1,500.75

First month: interest£1,012.50

First month: principal£488.25

Loan summary

Loan amount£270,000

Loan-to-value (LTV)90%

Total repayment£450,224

Total interest£180,224.31

Amortization (selected years)

Year 1£264,019 remaining

Year 5£237,216 remaining

Year 10£196,178 remaining

Year 15£144,806 remaining

Year 20£80,499 remaining

Year 25£0 remaining

Guides

How Much Do You Need to Earn? Salary needed for every property price from £100K to £1M →

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How UK Mortgages Work

A mortgage is a loan secured against a property. In the UK, most mortgages have a fixed-rate introductory period (typically 2 or 5 years) followed by the lender's standard variable rate. During the fixed period, your monthly payments stay the same regardless of changes to the Bank of England base rate.

Repayment mortgages mean you pay off both capital and interest each month, so the loan is fully repaid at the end of the term. Interest-only mortgages require you to pay only the interest each month, meaning you need a separate plan to repay the capital at the end.

Most residential mortgages in the UK are repayment mortgages with terms of 25 to 35 years. The amount you can borrow depends on your income, deposit size, credit history, and existing financial commitments. Typical loan-to-value ratios range from 60% to 95%, with lower LTVs attracting better interest rates.

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