Charcol's Mortgage Calculators

Knowing what you can and cannot do when it comes to a mortgage is a lot easier with John Charcol's mortgage calculator.  Our UK online mortgage calculators are designed to help you work out how much you can borrow, and to consider different monthly mortgage payments. Find out how much you could save by using a re-mortgage calculator or using flexible mortgage facilities, and use our online mortgage calculator to see if you might be better suited to particular types of mortgage.  A mortgage calculator is a great way to start your own research so you have an idea what is available to you.

Once you have used a mortgage calculator, why not call one of our independent mortgage advisers who, dare we say, are all the mortgage calculators rolled into've guessed it...superb mortgage calculator.

Borrow amount mortgage calculator

Find out how much you might be able to borrow.  This mortgage calculator looks at your income and works out how much money a mortgage lender will provide you.  

Loan cost mortgage repayment calculator

Calculate your monthly payments for a particular loan amount and interest rate using this mortgage calculator.

Loan saving mortgage calculator

Using this mortgage calculator will show you how much you could save by remortgaging.

Flexible mortgage calculator

Work out how flexible payment options might save you money with our flexible mortgage calculator.

What mortgage calculator

This mortgage calculator helps you to decide what type of mortgage and mortgage features you may wish to have.  

Not found the calculator you want? Suggest a mortgage calculator to us.


YOUR PROPERTY MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON A MORTGAGE OR ANY DEBT SECURED ON IT. John Charcol is a trading name of John Charcol Limited and its Appointed Representatives. John Charcol Limited is authorised and regulated by the Financial Conduct Authority. The Financial Services Register number is 665649. Registered in England No. 9157892. Registered office address for John Charcol Limited is 5th Floor, Cutlers Exchange, 123 Houndsditch, London, EC3A 7BU. The FCA does not regulate some investment mortgage contracts. Calls may be recorded for training and monitoring.