Mortgage repayment calculator

Use our mortgage repayment calculator to work out how much your monthly mortgage payments will be based on loan size, term, interest rate and fees.
Which? Money Team

Key Information


Advice on mortgage rates

Mortgage rates have rocketed since the government's mini-budget on 23 September.

If you're thinking of buying a home or need to remortgage this is likely to impact you.

For the latest news and advice on dealing with inflated mortgage rates, see the below stories, which are regularly updated:

If you're worried about making your mortgage payments, see our guide on what to do if you can't pay your mortgage.


Mortgage repayment calculator

If you're comparing mortgage deals, it's important to understand what seemingly small differences in interest rates and fees can mean for your monthly repayments.

Our mortgage repayment calculator shows you how much a deal will cost each month based on how much you're borrowing, the interest rate and fees of the deal, and the term of the mortgage (how long you'll take to pay it off).

More on mortgage repayments

You can find out more about the costs of borrowing and repaying your loan in our guides to managing your mortgage payments and the different types of mortgage.

Or if you want to do some more calculations, try these:

Browse our full list of mortgage calculators for more help crunching the numbers.

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