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Get a better understanding of the potential savings that could be made by offsetting your savings against your mortgage. To tailor the results to your own circumstances move the sliders below.

Your Mortgage
Show months
Your Savings
Comparative Non-offset Interest Rate (%):

Show results over:

Mortgage Term Product Term

A monthly repayment of:


could pay off your mortgage in:


leaves the balance at end of product term:


giving interest savings of:


A reduced monthly repayment of:


Could pay off your mortgage in:


Using your savings on your offset mortgage allows you to take advantage of the lower payment straight away. If you withdraw from the offset savings account, you will need to ask us for your payments to be recalculated otherwise you could potentially be over/underpaying

Important information

The calculations used in this demonstrator are based on the following:

  • The estimates provided are for illustration purposes only and assume that the interest rate will remain the same throughout the term of the mortgage
  • Actual mortgage rates available are dependent on market conditions so change from time to time.
  • Requires a static (i.e. fixed) payment to be set up and maintained throughout the mortgage term.
  • Mortgage type is repayment.
  • No interest is payable on the Offset savings balance.
  • Regular monthly savings deposits are made throughout the mortgage term (in line with the 'Monthly Savings Deposit' entered), or a constant savings balance is maintained (in line with the 'Current Savings Balance' entered).
  • The example used on this page assumes that basic and higher rate tax payers do not pay tax on their savings and that additional rate taxpayers pay 45% tax on savings interest and are based on current HM Revenue and Customs rules which are subject to change. Customer usage of any applicable Personal Savings Allowance is not included within these calculations.

This information does not contain all of the details you need to choose a mortgage. Make sure you read the separate Mortgage Illustration document before you make a decision. The actual amount you can borrow, term and repayment method available will vary depending upon your personal circumstances and borrowing requirements. Applications subject to standard lending criteria and all loans subject to status. A product fee may apply. Early Repayment Charges and other fees and charges will apply.

However you choose to manage your Offset Account you will need to select one of the available
monthly payment options (619 KB) . If your aim is to Offset in order to pay off your mortgage quicker, you must choose the Reduced term option.


With an Offset account, mortgage interest is only calculated on the difference between the two balances.

Next steps

Get a lending decision

We can quickly advise if we are able to provide you with a mortgage.

Find an Offset Mortgage

You can see our range of Offset mortgages by searching and comparing our products.

How does Offset work?

Read our full Offset guide to find out more about how Offset mortgages work.

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How much can I borrow?

Use our borrowing calculator to get an estimate of how much we could lend to you.

Takes approximately 5 minutes to complete

How much will it cost?

Use our repayment calculator to get an estimate of what your mortgage repayments might be.

Takes approximately 2 minutes to complete


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