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        Updated: April 17, 2024

        £100,000 Mortgages

        Could you afford £100,000 mortgage? The answer’s not always straightforward, read on to find out why not and how a broker can help

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        Before setting your heart on the home of your dreams, it makes sense to know the size of mortgage you can afford. In this article, we’ll look at how lenders determine how much you can borrow, and the level of income you may need to achieve a £100,000 mortgage.

        Can you afford a £100,000 mortgage?

        This will depend on how the mortgage lender you approach calculates affordability. Most will base this on a multiple of your annual income, typically 4.5 or 5, though some go higher than this.

        Try our mortgage affordability calculator below to work out whether you’d qualify for a mortgage of this amount based on the standard income multiples that lenders use.

        calculator icon

        Mortgage Affordability Calculator

        Our affordability calculator can tell you how much you can potentially borrow from a mortgage lender. Simply enter your total household income below and our calculator will do the rest.

        Input full salaries for all applicants
        £

        You could borrow up to 

        Most lenders would consider letting you borrow

        This is based on 4.5 times your household income, the standard calculation used by the majority of mortgage providers. To borrow more than this, you will need to use a mortgage broker to access specialist lenders.

        Some lenders would consider letting you borrow

        This is based on 5 times your household income, a salary multiple you might struggle to qualify for without the help of a broker. This income multiple is not widely available to customers who are applying directly with a lender.

        A minority of lenders would consider letting you borrow

        This is based on 6 times your household income, a salary multiple you will struggle to get without a broker. Six-times salary mortgages are usually only available under very specific circumstances.

        Get Started with an expert broker to find out exactly how much you could borrow.

        There is also a clear distinction between how much you can borrow and how much you can afford to take out. These things may sound the same, but there can actually be quite a big difference between them. Lenders will look primarily at your annual income and regular outgoings, when calculating how much they are willing to lend. We’ll look at this in more detail in the next section.

        It’s also important to consider from a personal perspective that you’ll be repaying your mortgage for a considerable period of time. Therefore, you should always factor in how any potential future lifestyle changes could impact your ability to comfortably afford the repayments on a £100,000 mortgage.

        How much do you need to earn?

        Given that mortgage providers generally let eligible customers borrow between 4.5 and 6 times their annual income, you would need to be earning somewhere in the region of £17,000 and £22,250, although slightly less than this may suffice.

        If you are applying for a joint mortgage, the lender will take into account the combined salaries of everyone who will be named on the title deeds, and some mortgage providers might let you declare supplemental earnings – such as benefits or freelance work on the side – alongside your main salary.

        Other eligibility factors

        To determine the multiple of your salary they’re willing to offer, lenders will typically consider the following factors:

        • Debt-to-income ratio – Whilst income is one key factor, overall affordability is what lenders actually use to determine how much you can borrow, which includes all regular outgoings. They will review your debt-to-income ratio to assess this – this is your income minus your fixed outgoings, so if you have a high salary, but also have large existing financial responsibilities, you may not be able to borrow as much as you think. Try our debt-to-income calculator below to work out what yours is.
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        Debt to Income Ratio Calculator

        You can use our debt-to-income (DTI) ratio calculator to work out how much of your income is going towards your fixed outgoings, expressed as a percentage. Based on that percentage, this tool will tell you whether mortgage lenders will class your DTI as low, medium or high.


        The amount you get paid each month, after any taxes or contributions have been deducted
        £
        Be sure to include all of your fixed outgoings, as well as any loans or credit card payments you make
        £

        Your Debt to Income Ratio is %

        Risk Low Moderate High

        Good news! Most mortgage lenders will class your debt-to-income ratio as low. You’re unlikely to be declined for a mortgage based on your outgoings, but speaking to a mortgage broker before applying is still recommended as they can improve your chances of getting the best deal.

        Most mortgage lenders will class your debt-to-income ratio as moderate, which means some of them might view your application with caution. Some lenders are much more strict than others when it comes to affordability and debt, so it’s important for you to find a lender who’s more lenient. You should speak to a mortgage broker before you apply to ensure you’re matched with a lender whose criteria you fit.

        Most mortgage lenders will class your debt-to-income ratio as high. But that’s where we can help! With so much of your monthly income going towards debt repayments, you could struggle to get approved for a mortgage without the help of a mortgage broker. We can help you find a lender who’s more lenient on debt and affordability, and could still secure a mortgage approval.

        • Income type and Employment status – Some lenders view certain types of self-employed income as a higher risk, which can mean fewer mortgage products to choose from. As stability of income is the main focus, the length of time you’ve been in your current role can also make a difference to both employed and self-employed applicants.  If some of your income is derived from non-salary supplements such as shift allowance or bonuses, not all lenders will use this in their calculations.
        • Credit status – A stronger credit record can also mean more lenders and deals to choose from, whereas poor credit could mean the opposite. There are bad credit mortgage lenders available, however, who may be more flexible in their evaluations.
        • Property Type – The type of property you buy can indirectly affect how much you can borrow as non-standard properties can mean fewer deals to choose from. For example, some lenders won’t approve finance for non-standard construction properties such as a barn conversion.

        Get Started with a Broker

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        How much deposit will you need?

        Most lenders will expect you to put down at least 10% of the property’s value, so for a £100,000 house that would mean putting down a deposit of £10,000.

        There are, however, lenders who offer 5% deposit mortgages. If you were to approach one of these mortgage providers, the deposit requirements would fall to £5,000. Some of these lenders might increase the interest rate to offset the risk associated with low deposit lending.

        As a general rule of thumb, the more deposit you’re able to put down, the better the deal you’re likely to get, but this doesn’t mean a favourable interest rate is impossible to get with a low deposit.

        How income multiples affect what you could borrow

        This table demonstrates how much the income multiple used by your lender in their calculation can affect the amount you can borrow.

        Income X 3 X 4 X 5 X 6
        16,700 £50,100 £66,800 £83,500 £100,000
        20,000 £60,000 £80,000 £100,000 £120,000
        25,000 £75,000 £100,000 £125,000 £15,000
        30,000 £90,000 £120,000 £150,000 £180,000
        35,000 £105,000 £140,000 £170,000 £210,000
        40,000 £120,000 £160,000 £200,000 £240,000

        As you can see, an applicant earning £30,000 would be unable to afford £100,000 if the lender used a multiple of 3 x their income, as the maximum they could borrow would be £90,000. On the other hand, if you find a lender willing to offer a multiple of 4 x your income, you would only need to be earning £25,000 to achieve a £100,000 mortgage.

        The absolute minimum amount that you could be earning to achieve a mortgage of £100,000 would be £16,700, however, this would require a lender to offer you a multiple of 6 x your income, which can be difficult to qualify for, especially given that this type of offer is generally reserved for professionals, who are likely to have a much larger income.

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        How a broker can help with a £100,000 mortgage

        As there are so many lenders, and criteria vary so much between them, it would be incredibly labour intensive to establish which one would offer the income multiple necessary to achieve the mortgage you need. The brokers we work with are experts in this area and know how much each specific lender would expect you to earn in order to get a £100,000 mortgage.

        As they have access to every lender on the market, they can ensure that you only approach those whose criteria you are likely to meet for this level of borrowing. Whether you’re looking for a lender who will consider self-employed income more favourably or maximise the length of term available to you, we can match you with an expert who will tailor their advice to help you achieve the loan you need.

        Calculating monthly repayments

        Aside from the size of the loan, the factors that will have the biggest impact on your monthly repayments are the length of the loan term and the interest rate.

        Try our mortgage repayments calculator below to work out what your repayments could look like.

        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.

        Example repayment calculations

        This table demonstrates just how significantly the length of the term and interest rates affect the monthly payments on a typical £100,000 repayment mortgage, highlighting the importance of finding competitive rates, and a length of term that suits your needs and affordability.

        Term 2% Interest 3% Interest 4% Interest 5% Interest
        5 years £1753 £1,797 £1,842 £1,887
        10 years £828.12 £869.05 £911.21 £954.59
        15 years £579.16 £621.52 £665.72 £711.71
        20 years £455.30 £499.14 £545.38 £593.96
        25 years £381.47 £426.79 £475.05 £526.13

        Whilst we’ve included interest rates ranging from 2-5%, this is for demonstration purposes only, and rates vary from lender to lender and depending on your circumstances.

        Typical lender rates at the time of writing are between 2.5% and 2.9%, however, specialist mortgages for applicants with bad credit, less stable income, or a smaller deposit are likely to be higher.

        Speak to an expert broker experienced in £100,000 mortgages

        Let us take the hard work out of finding an expert broker with the experience necessary to find you the most suitable, and most competitive deal on a £100,000 mortgage, with our free broker-matching service.

        All of the mortgage experts in our network have whole-of-market access and are accredited by us for their knowledge and experience. All you need to do is contact us on 0808 189 0463 or via this form and let us know what your home ownership goals are.

        We’ll immediately pair you with the most relevant broker, all of whom offer a free initial meeting. We only work with brokers who offer a success-only payment structure, so you’ll only pay fees if they secure you a mortgage.

        FAQs

        It depends on what you need the mortgage for. There are very few lenders offering interest-only mortgages for residential homes, whereas if you are planning to buy a property to rent out for profit, buy to let mortgages for this purpose are almost exclusively interest-only. The mortgage experts we work with can provide advice about this, whatever type of mortgage you need.

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        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 are fully qualified to provide mortgage advice and work only for firms that 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.