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Mortgage Repayment Calculator

Calculate monthly mortgage payments, total interest and total paid for any UK mortgage.

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Fill in the details to get your result.

How This Works

Monthly repayment uses standard mortgage amortisation: loan × (monthly rate × (1+rate)^months) / ((1+rate)^months − 1). Interest-only: monthly = loan × monthly rate. Total interest = total paid − loan amount. LTV = loan ÷ property price × 100.

As of 2025, two-year fixed rates for 60% LTV are approximately 3.8–4.5%. Five-year fixes are 4.0–4.8%. For first-time buyers with 5–10% deposits, expect rates 0.5–1% higher. Always compare the overall cost including arrangement fees — some low-rate products have fees of £999–£1,999 that can make them more expensive than a slightly higher rate with no fee.
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