UK Mortgage Calculator (2025/26 Stamp Duty included)
- Model repayment or interest-only mortgages, including deposits, rates, terms and overpayments
- Visualise how each payment splits between equity and interest
- See fixed-deal insights: equity built, interest paid, and estimated end-of-fix Loan to Value (LTV)
- Stress test repayments with interest rate changes
- Track multiple mortgages together with a combined monthly total
- Deposit planner to show how much you need to save to meet your target LTV
- Stamp Duty / LBTT / LTT: England, NI, Scotland and Wales — including FTB relief, additional property, and non-resident rules
- Save scenarios
- Dark mode support.