The Ascot Mortgages repayment calculator for a £550,000 mortgage estimates monthly payments based on different interest rates and loan terms https://www.ascotmortgages.co.uk/mortgage-repayment-calculator/550000-mortgage/ . For example, with a 4.69% interest rate over 25 years, the monthly repayment is approximately £3,116. This tool helps potential borrowers understand their financial commitments and plan effectively, considering factors like income, deposit size, and credit history.