UK Mortgage Calculator
Estimate your monthly repayment mortgage payment and total interest over the mortgage term.
Monthly Payment
£1,617.97
- Loan amount
- £270,000
- Deposit
- £30,000
- Total interest
- £215,391
Assumptions
- Fixed interest rate for the full mortgage term
- Repayment (not interest-only) mortgage
- Does not include stamp duty, fees, or insurance
How it's calculated
Monthly payment = P * r / (1 - (1 + r)^-n), where P is the loan amount, r is the monthly interest rate, and n is the number of monthly payments.
Worked example
A £300,000 property with a 10% deposit (£30,000) leaves a £270,000 mortgage. At 5.25% over 25 years, the monthly payment is shown live above.
Frequently asked questions
Does this include stamp duty?
No — this shows the mortgage repayment only. Stamp Duty Land Tax is a separate one-off cost at purchase.