UK Mortgage Calculator

Repayment vs interest-only UK mortgage with LTV and total borrowing cost.

Calculator Finance Updated Apr 20, 2026
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How to Use
  1. Enter property price, deposit, rate, and term.
  2. Both repayment and interest-only monthly are shown.
Input
Result

LTV bands

≤ 60% LTV
best rates typically available
> 90% LTV
higher rates + lender may require Help to Buy / Guarantor

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