£100,000 Mortgage: Monthly Repayments & Income Requirements

, by Matt Stevens

Before deciding on your dream home, it's important to assess the mortgage size that aligns with your financial situation and understand the factors that impact repayments. In short, these repayments vary from person to person and are influenced by aspects such as the chosen mortgage term, interest rates, and initial deposit.

In this article, we’ll expand on this topic, exploring how lenders determine your borrowing capacity while discussing the income level needed to secure a £100,000 mortgage.

What are the monthly repayments on a £100,000 mortgage?

As of June 2024, the average monthly repayments on a £100,000 mortgage stand at approximately £585. This estimate is derived from prevailing interest rates, typically around 5%, a standard mortgage term of 25 years, and the prevalent choice of a capital repayment mortgage among borrowers.

For a personalised and precise estimate tailored to your unique circumstances and preferences, be sure to use our mortgage repayment calculator.

What do you need to earn for a £100,000 mortgage?

To qualify for a £100,000 mortgage, your income plays a vital role. Most lenders assess your borrowing capacity by applying an income multiple, usually between 4 to 4.5 times your annual salary. Therefore, to secure this mortgage, you'd typically need an annual income ranging from £18,000 to £25,000.

However, some lenders may offer higher multiples, such as 5 or even 6 times your salary, contingent upon your individual circumstances and meeting stricter eligibility criteria. Alternatively, if you fall short of the financial requirements, a joint mortgage, combining your earnings with another individual's, could be an option worth considering.

What deposit size do you need for a £100,000 mortgage?

Lenders typically require a deposit of 5% to 10% of the property value for residential mortgages. As such, if you're purchasing a property valued at £100,000, your deposit would range from £5,000 to £10,000.

While it is possible to secure a £100,000 no deposit mortgage, this scenario is quite rare. Moreover, if you have a history of adverse credit, lenders may demand a higher deposit, often around 25%. As a general rule, a larger deposit improves your chances of qualifying for the most competitive interest rates.

If you want to get an idea of your current eligibility before you apply, you can use our free credit check tool (£14.99 per month after the free 30-day trial). Using it will help you to discern any potential mistakes or fraudulent activity on your profile, so that you can deal with such problems effectively. The trial and subscription can be cancelled at any time.

Can I afford a £100,000 mortgage?

Affording a £100,000 mortgage depends on the terms of the deal offered by the lender, determined through an affordability assessment based on your circumstances.

Lenders conduct thorough evaluations to ensure you can comfortably manage the monthly repayments. Variables considered include your initial deposit and monthly income. Usually, you'll need to provide at least three months' worth of payslips and bank statements to verify your ability to meet repayments consistently.

Your credit history also plays a significant role. A strong credit score enhances your mortgage options, while a history of late payments or debts, like those on credit cards or payday loans, may limit your choices.

To gauge affordability, calculate your monthly salary alongside other regular expenses, factoring in mortgage terms and interest rates. Additionally, consider extra fees and charges such as product fees, insurance, stamp duty, and legal fees, which can impact monthly expenses.

Does being self-employed affect getting a £100,000 mortgage?

Securing a £100,000 mortgage as a self-employed individual requires demonstrating your ability to repay the loan. While lenders generally find it more straightforward to assess repayment capability for those in conventional salaried employment, being self-employed doesn't necessarily hinder your mortgage prospects.

Your income is a primary element influencing mortgage eligibility. If you're self-employed and can provide clear evidence of sufficient annual earnings to cover repayments, obtaining a mortgage shouldn't pose significant challenges.

To support your application, you'll likely need to provide one to three years of accounts verifying your business's profitability and income, self-assessment tax returns submitted to HMRC for the past few years, i.e., an SA302 form, and proof of your deposit.

Can you get a £100,000 buy-to-let mortgage?

Yes, it's possible to obtain a £100,000 buy-to-let mortgage, but they often require higher deposits. Many buy-to-let mortgages operate on an interest-only basis and have specific terms, such as requiring you to already own another property. However, if you meet the criteria and find a suitable property, arranging a £100,000 buy-to-let mortgage is feasible.

How to get a £100,00 mortgage

Once you've crunched the numbers, the logical next step in your mortgage journey is to engage with a mortgage broker. They play an integral part in securing the best rate and deal suited to your needs.

A seasoned broker offers invaluable assistance with deposit requirements, optimising your credit report, and compiling essential documentation for your application. They navigate the labyrinth of lenders to pinpoint the most favourable rates, simplifying the entire process for you.

Get Personalised Quote

Navigating the mortgage landscape, particularly for first-time buyers, can be daunting. A proficient mortgage broker not only resolves any hurdles you encounter, but also safeguards your interests and serves as a reliable support system throughout.

At The Mortgage Genie, we streamline this process, saving you time and money by identifying lenders offering the most competitive rates. Get in touch at 01915809890 and we’ll match you with a professional who understands your unique circumstances. And why not see how much you could borrow up to today by using our mortgage calculator?

Company Information

The Mortgage Genie Limited is Registered in England and Wales with Company Number 9803176. The Mortgage Genie Limited is an Appointed Representative of PRIMIS Mortgage Network, a trading name of First Complete Ltd. First Complete Ltd is authorised and regulated by the Financial Conduct Authority. Most Buy-to-Let Mortgages are not regulated by the Financial Conduct Authority. The guidance contained within this website is subject to the UK regulatory regime and is therefore primarily targeted at consumers based in the UK.


Depending on the complexity of your mortgage there may be a fee for our mortgage advice and arrangement service, which will be discussed and agreed before you make a mortgage application. A typical fee is £293 and will never be more than 1% of the mortgage amount.