Use our free UK mortgage calculators to estimate repayments, affordability and stamp duty in minutes.
As an independent, FCA-regulated, whole-of-market mortgage broker, we believe you should understand your numbers before making any decisions.
Our free UK mortgage calculators help you get a clear estimate of what’s possible — whether you’re buying your first home, remortgaging or expanding your property portfolio.

Understanding the financial commitment of homeownership is crucial.
Our Mortgage Repayment Calculator allows you to estimate your monthly mortgage payments based on loan amount, interest rate, and loan term. Gain clarity on your budget and ensure your mortgage monthly payments aligns with your financial goals.
Just input the mortgage amount, what the mortgage rate is predicted to be and what term you would like the loan over and it will give you an indication of how much the mortgage could cost.


Accelerate your journey to a mortgage-free life with our Mortgage Overpayment Calculator.
Discover the impact of making additional payments on your mortgage. This tool helps you visualize how extra payments can reduce the overall interest paid and shorten the loan term, ultimately saving you money in the long run.
Fee Free Mortgage Broker is a trading style of Alexander Southwell Mortgage Services Ltd, authorised and regulated by the Financial Conduct Authority (FCA) (FRN 1011890).
Registered in England & Wales (Company No. 11772228).
Registered office: Nix Business Centre, 2 Park Court, Abbey Park Industrial Estate, Romsey, Southampton, SO51 9DH. We are registered with the Information Commissioner’s Office, registration number ZA488146.© 2062 , Inc. All rights reserved.
Information on this website is for general guidance only and is accurate at the time of writing. It does not constitute personalised financial advice. Mortgage criteria and lender policies can change; please speak to an FCA-authorised adviser for up-to-date advice tailored to your circumstances. Some buy-to-let mortgages are not regulated by the FCA.
Your home may be repossessed if you do not keep up repayments on a mortgage or any other debt secured on it.
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