Interest rates – Interest rate calculator | NatWest

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Couple on laptop

Understanding Interest Rates

Interest rates – Interest rate calculator | NatWest

Your home may be repossessed if you do
not keep up repayments on your mortgage
Bank of England Base Rate

What is the Bank of England Base Rate and who sets it?


The Bank of England (BoE) is the central bank of the UK. Base Rate is an interest rate set by the Bank of England’s Monetary Policy Committee. The Bank of England Base Rate is one of the most important interest rates because it tends to influence all the other interest rates, such as those set by banks, including mortgage, loan and savings rates and rates for businesses. 

How could it affect you?

The Bank of England Base Rate is taken into account as a factor when deciding the NatWest Bank base rate. Therefore, if the Bank of England Base Rate changes, your monthly payment may be affected if you hold a mortgage, loan or Savings product. We will always notify you in advance of changes to any of our products so you have plenty of time to review your options.

Learn more about interest rates
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Have a mortgage with NatWest?

It’s important to understand how interest rate changes could affect you.

See our step by step guide as to what action you can take now with your existing mortgage.

Read our mortgage guide
Tools to help you plan

Our tools are designed to help you when interest rates change.  Whether interest rates go up or down, if can affect how much money you have.

If you’re concerned about mortgage interest rates, then use our Rate Change Calculator to see what it means for you.  Our Budget Calculator will help you work out how much money you have each month, while the Overdraft Calculator lets you see how you might save money with an Arranged Overdraft.

Need more help?
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