Year-by-year breakdown
| Year | Monthly | Interest | Capital | Balance |
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How to use this mortgage calculator
Enter your property price, deposit, interest rate and mortgage term. Click Calculate to see your monthly repayment, total interest paid, and a full year-by-year breakdown. Use the deposit slider to explore how different deposit sizes affect your total cost.
UK mortgage rates in 2026
Fixed-rate mortgages in the UK currently range between 3.8% and 5.5% depending on your loan-to-value ratio and lender. A 10% deposit attracts higher rates than a 40% deposit. Always compare rates from multiple lenders or use a qualified mortgage broker. Read our full mortgage rates guide for 2026.
Tax band breakdown
| Band | Rate | Taxable amount | Tax |
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Stamp Duty Land Tax UK 2026
Stamp Duty Land Tax is paid when buying property in England and Northern Ireland. First-time buyers pay 0% up to £300,000, then 5% up to £500,000. Properties over £500,000 do not qualify for first-time buyer relief. Home movers pay 0% up to £125,000, 2% to £250,000, then 5% to £925,000. Additional properties attract a 5% surcharge. Read our full stamp duty guide for 2026.
How much can I borrow for a mortgage?
UK lenders typically offer between 4 and 4.5 times your annual income. Your outgoings, credit history and deposit size all affect the final figure. Read our full affordability guide for more detail.
Should I overpay my mortgage?
Overpaying even a small amount each month can save thousands in interest and cut years off your term. Most lenders allow overpayments of up to 10% of the outstanding balance per year without penalty. Always check your mortgage terms first.
Progress towards your deposit
How to save for a house deposit in the UK
The Lifetime ISA is one of the best tools for first-time buyers — save up to £4,000/year and receive a 25% government bonus. You must be aged 18–39 to open one and the property must cost £450,000 or less. Read our first-time buyer guide for more tips.