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        0808 189 0463

        Updated: April 17, 2024

        Offset Mortgage Calculator

        Want to know how much your repayments would be for an offset mortgage? Use our calculator here to find out.

        Calculate My Payments

        No impact on your credit score

        If you’re interested in getting an offset mortgage in order to use your savings to reduce the overall interest payments over the loan term, use our calculator below to see how much your repayments could work out at.

        calculator icon

        Offset Mortgage Calculator

        This calculator shows you how your mortgage payments could look if you choose an offset mortgage and how much you could potentially save with this product type.

        The total amount you're borrowing
        £
        3.5% used for example purposes but the rate you get may vary
        %
        25 years is average but term lengths can vary
        years
        Enter an amount in pound sterling
        £
        Savings amount must be less than the loan amount

        Without offset savings:

        Monthly repayments:

        Total cost:

        With offset savings:

        Monthly repayments:

        Total cost:

        Now that you have a rough idea of how much you could save on interest by offsetting your mortgage, you should speak to a specialist broker for bespoke advice about offset mortgages and access to the best deals that you qualify for.

        Why use this offset mortgage calculator

        Trying to calculate the repayments for an offset mortgage manually can be a very tricky task which may take some time. By using our offset mortgage calculator you’ll be able to have an idea of the repayments and how much interest you could save in a matter of moments.

        It’s very simple and easy to use with no personal details required. All you need to do is input the following details:

        • Mortgage loan amount
        • Interest rate
        • Loan term
        • Savings amount you wish to use to offset the mortgage

        And that’s it! Once you’ve inputted this information the offset mortgage calculator will show you two repayment comparisons – one illustrating what the repayments would be without any savings and one showing how much your repayments will reduce along with what you’ll save on interest throughout the term.

        It should be noted that these calculations are for illustrative purposes only. For an accurate quote of what interest rates you can expect for an offset mortgage the shrewd move is to speak with a mortgage broker who has experience arranging these types of home loans.

        Interest-only calculations

        Our offset mortgage calculator illustrates outcomes based on capital and repayment mortgages only. So, for an interest-only offset mortgage all you need to do is subtract your savings amount from the original loan amount.

        You can then work out the mortgage repayments by using our calculator here. All you need to do is click on the toggle button for interest only and the payment for that particular method will be shown.

        calculator icon

        Mortgage Repayment Calculator

        Our mortgage repayment calculator can tell you how much your mortgage will cost you each month and overall. Enter the amount you’re borrowing, the term length and interest rate, and our calculator will do the rest.


        Enter the amount you're borrowing
        £
        2.5% is an average figure but the rate you get may vary
        %
        25 years is average, but most lenders offer longer and shorter terms
        years

        Monthly Repayments:

        Total amount paid at end of term:

        Get started with an expert broker to find out how much they could help you save on your mortgage repayments.

        Get Started with a Broker

        Maximise your chance of approval with specialist advice from a mortgage expert

        Offset mortgage overpayment calculations

        As time goes on you may find that you want to make additional overpayments to your offset mortgage in order to further reduce the impact of the overall interest accruals and also complete the loan term sooner than expected. And these types of mortgages usually offer the flexibility to do that.

        You can use our mortgage overpayment calculator here to see how this could work out for you. All you need to do is input some simple details about your existing mortgage along with the amounts you wish to overpay – either on a monthly basis or as a lump sum – and the calculator will do the rest.

        calculator icon

        Mortgage Overpayments Calculator

        This calculator can show you how much you could save and what your new mortgage payments will look like if you were to make overpayments as a lump sum, monthly amount or both.

        Estimate if not known
        £
        Years and months
        Enter a percentage
        %
        An amount in pound sterling
        £
        An amount in pound sterling
        £
        Overpayment must be less than outstanding balance

        Your current monthly repayment is:

        What your mortgage repayments will look like based on your overpayments:

        Potential mortgage term reduction:

        Amount of interest you could save:

        Now that you have a rough idea of how overpayments will affect your mortgage deal, make an enquiry to speak to a broker for bespoke advice about whether this is the right option for you.

        Our Broker-Matching Service Guaranteed!

        We want you to have complete confidence in our service, and get the best chance of securing your mortgage. We guarantee to get your mortgage approved where others can’t – or we’ll give you £100*

        Learn More
        Mortgage Approval Guarantee or £100 back

        Why use Online Money Advisor?

        Here’s how Online Money Advisor will be able to help you find the best offset mortgage options to suit your specific requirements.

        • Use our free, unique broker-matching service. We’ll match you with the right mortgage broker who has experience arranging these types of home loans, saving you time and, potentially, some money too.
        • Help choose the right offset mortgage. Your broker will help you calculate the amount of savings you can comfortably put aside for the purposes of applying for an offset mortgage and guide you through all the different options available.
        • Find the best lenders. Rather than scouring the market trying to find lenders who offer this type of mortgage yourself, your broker will be able to identify the best providers for you.

        What you should do next

        Our free unique broker-matching service is designed to match you with the right mortgage broker who can deal with your exact requirements – first time!

        So get in touch or give us a call on 0808 189 0463 and we’ll make sure an offset mortgage specialist contacts you straight away to discuss further.

        Ask Us A Question

        We know everyone's circumstances are different, that's why we work with mortgage brokers who are experts in all different mortgage subjects. Ask us a question and we'll get the best expert to help.

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        Pete Mugleston

        Pete Mugleston

        Mortgage Expert, MD

        About the author

        Pete, an expert in all things mortgages, cut his teeth right in the middle of the credit crunch. With plenty of people needing help and few mortgage providers lending, Pete found great success in going the extra mile to find mortgages for people whom many others considered lost causes. The experience he gained, coupled with his love of helping people reach their goals, led him to establish Online Mortgage Advisor, with one clear vision – to help as many customers as possible get the right advice, regardless of need or background.

        Pete’s presence in the industry as the ‘go-to’ for specialist finance continues to grow, and he is regularly cited in and writes for both local and national press, as well as trade publications, with a regular column in Mortgage Introducer and being the exclusive mortgage expert for LOVEMoney. Pete also writes for OMA of course!

        FCA Disclaimer

        *Based on our research, the content contained in this article is accurate as of the most recent time of writing. Lender criteria and policies change regularly so speak to one of the advisors we work with to confirm the most accurate up to date information. The information on the site is not tailored advice to each individual reader, and as such does not constitute financial advice. All advisors working with us as well as any of our own are fully qualified to provide mortgage advice and work only for firms who are authorised and regulated by the Financial Conduct Authority. They will offer any advice specific to you and your needs.

        Some types of buy to let mortgages are not regulated by the FCA. Think carefully before securing other debts against your home. As a mortgage is secured against your home, it may be repossessed if you do not keep up with repayments on your mortgage. Equity released from your home will also be secured against it.