Mortgage repayments, stamp duty and loan calculators. All updated for 2026/27 rates and SDLT thresholds. Free, instant, no sign-up.
Whether you're buying your first home, remortgaging, or working out what you can afford, these tools give you accurate numbers to work with before you speak to a broker or solicitor.
Calculate your monthly mortgage repayment based on property price, deposit, interest rate and term. Includes total interest paid and an amortisation breakdown.
Open mortgage calculator →Calculate SDLT for standard buyers, first-time buyers and additional properties using April 2025 thresholds. Includes Wales (LTT) and Scotland (LBTT) notes.
Open stamp duty calculator →Work out monthly repayments on a personal loan. Adjust amount, interest rate and term to see total cost of borrowing and compare different loan options.
Open loan calculator →Plain-English guides to the costs of buying property in the UK — from stamp duty thresholds to what affects your mortgage rate.
SDLT thresholds, first-time buyer relief and additional property surcharge
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