Mortgage calculators

Not sure how much you could borrow, or how much your monthly mortgage payments are likely to cost? Our quick and easy-to-use mortgage calculators are here to help.

Once you’ve got an idea of what might be possible, our expert advisers are on hand to help you decide exactly which mortgage deal will best suit your needs, and to support you throughout the mortgage application process.

Fee free since 1999

Online mortgage calculators

You'll find all of our easy to use mortgage calculators here.

Should I change mortgage provider?

If your initial deal has ended, or is about to, find out how much you could save with our remortgage calculator.

Am I paying extra?

How much can I borrow on a buy to let mortgage?

Thinking of buying a rental property? Find out what you can borrow with our Buy to Let mortgage calculator.

How much can I borrow?

How much can I borrow?

It’s quick and easy to find out what size mortgage you could get based on your income, with our mortgage affordability calculator.

How much can I borrow?

How much rent should I charge?

Find out how much rent you could get for your property with our rental yield calculator.

Rent calculator

How much will my mortgage payments be?

Find out what your mortgage is going to cost each month with our mortgage repayment calculator.

Calculate mortgage payments

What is my BMI?

Use our handy BMI calculator to work out your body mass index.

Find out your BMI

How much stamp duty will I pay?

Find out how much you’ll need to put aside for stamp duty with our stamp duty calculator.

Stamp duty calculator

How much interest will I earn?

Find out how much interest you’re likely to earn on your savings with our savings interest calculator.

Calculate Interest

How much is my house worth?

Get an idea of the current value of your house when you use our house price estimate calculator.

House Price Calculator

How long do I need to save?

Use our savings calculator to calculate how long you need to save to hit your target.

How long do I need to save?

What will my loan to value percentage be?

Find out what your loan to value (LTV) percentage will be with our LTV calculator.

Calculate loan to value

How much can I save by making overpayments?

Use our mortgage overpayment calculator to calculate how much you can save when you pay extra on your mortgage.

Calculate overpayments

I have an early repayment charge, should I switch?

Compare mortgage interest rates to work out whether you should change mortgage deals now.

Compare two rates

Offset v Savings

Work out if an offset mortgage could be of benefit to you with our offset mortgage calculator.

Offset v Savings

What will happen if rates change?

Use our mortgage interest calculator to understand the impact of changing rates on your mortgage.

Rate change calculator

How much life cover do I need?

Find out how much over you need with our life insurance calculator.

How much life cover do I need?