Mortgage Calculators for UK Properties

Our mortgage calculators are designed to help you work out how much you can borrow and allow you to consider the available options. If you already have a mortgage, you can use the calculators to better understand changes to your mortgage and its impact on your monthly repayments.

Before Your Application

What Mortgage?

This mortgage calculator helps you to decide which mortgage type and the mortgage features you may wish to consider.

How Much Can I Borrow?

Find out how much you may be able to borrow. This mortgage calculator examines your income and works out how much money a mortgage lender might provide you with.

Mortgage Repayment Calculator

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

Stamp Duty Calculator

This calculator determines how much stamp duty tax you are likely to pay on your property.

Changes To Your Mortgage

Mortgage Rate Change Calculator

Use this mortgage calculator to find out how much you could save by remortgaging.

Mortgage Overpayment Calculator

See how overpaying your mortgage could help you shorten your mortgage term.

Home Extension Calculator

Find out how much an extension could increase the value of your property.

Buy to Let Mortgage Calculators

Buy to Let Stamp Duty Calculator

Our buy to let stamp duty calculator will tell you how much you are likely to pay in stamp duty tax for a buy to let property.

Buy to Let Maximum Loan Calculator

Get an idea of the amount you may be able to borrow for a buy to let property.

Buy to Let Minimum Rent Calculator

Our minimum rent calculator will calculate how much you may need to charge in rent to obtain a mortgage on a buy to let property.

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Legal

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.