Getting a mortgage - First time buyer

How to improve your mortgage credit score

4 min read

If you’re planning on applying for a mortgage in the next year or two, it’s a good idea to reflect on how to improve your credit score. If you’re not sure where to start, read on.

  • Abigail Bolton Senior Digital Website and Content Marketing Executive
    Abigail Bolton

    SEO Specialist and Senior Copywriter

    Published January 23rd 2024

    Updated on January 14th 2025

a family having a movie night trying to save money and improve their credit score before the buy a new house

Why is your credit score important?

Credit scores are used by mortgage lenders to assess your financial position, and are a significant factor in whether your mortgage application is approved, and what the terms may be. Before applying for your mortgage, it’s important you check your credit score details to make sure they’re accurate. You can request to see your credit report, it won’t cost you anything and should only take a few minutes online.

If you think you may need to improve your credit score before applying for a mortgage read our guide below for tips on how to do this.

Applying for a mortgage is an incredibly exciting time, as it means you’re that bit closer to buying your first, or next, house. However, it can also be a huge financial commitment, and not something that should be taken lightly. Find out below why credit scores are important when applying for a mortgage, and how they work.

In this article:

Why do credit scores matter when getting a mortgage?

Lenders don’t take mortgages lightly as they want to be certain that they’re lending money in a responsible way, to people who are in the right position to pay off their loan. That’s where credit scores come in.

Credit scores are therefore used by lenders to assess your financial position, and are a significant factor in whether they approve your mortgage application, and what the terms may be if they do.

If you’re planning on applying for a mortgage in the next year or two, it’s certainly a good idea to reflect on how you could improve your credit score. If you’re not sure where to start, read on and we’ll explain all.

Who provides credit reports?

In the UK, the three main credit reference agencies (CRAs) are:

These organisations compile information about you such as, your personal details, information about your residence and your finances, particularly in regard to any credit you have. That ‘credit’ could come in many forms – personal loans, mobile phone contracts, overdrafts, utility bills, car finance and more.

How do credit scores work?

A credit score is a three-digit number that rates your credit history and borrowing behaviour, using all the data available to CRAs.

They take all of the data they have on you and use it to score you. This is then viewed by lenders to determine how much of a risk you are – everything from credit card companies and landlords to mobile phone providers will factor your credit score into what they’re able to offer you.

Can I find out my credit score?

Yes, you can. In fact, by law, all CRAs have to offer you the opportunity to view your credit score, via a free report at your request. You can access this online in a few minutes, and as they may have different information to hand, it’s a good idea to investigate where you stand with each of the three CRAs.

How long does it take to build a good credit score?

Building a strong credit score doesn't come with a fixed timeline. Generally, lenders, especially mortgage providers, review your credit history over the last six years to assess your reliability.

Factors beyond just the years

  • Stability and usage: A few years of responsible credit use can make a significant impact. A young adult demonstrating stable income and wise credit card use could boast a higher score than someone older with extensive debts.

  • Quality over quantity: It's not merely about having credit; it's about having the right kind of credit. Consistent, positive credit behaviour is very important.

Negative marks

Negative entries like bankruptcies, County Court Judgments (CCJs), or Individual Voluntary Arrangements (IVAs) can linger on your credit report for up to six years. Ensuring these are resolved and eventually removed can be essential to securing a mortgage.

Building your credit history

To work towards a strong credit score, focus on maintaining a good repayment history and managing your credit responsibly, no matter how long your credit history may be.

How fast can you raise your credit score?

Improving your credit score is not an exact science. There are a few things you can do in the short-term that should give it a small, but noticeable boost. However generally, for a marked improvement in your rating, you’ll need to take months and as much as a couple of years working at it. If you have lots of ‘bad’ debts, you may not start to see much improvement until these are paid off, which could take even longer.

While you're on this journey, it's important to note that any negative marks, like a missed payment or exceeding your credit limit, can stick around on your credit report for up to six years. This can weigh down your score even if you're making positive changes.

Lenders might not update their reports immediately. So you may be taking all the right steps, such as reducing your debt or making payments on time, and it could still be several months before you see a positive shift in your credit score.

For example, actions like registering on the electoral roll can take weeks to be reflected in your credit report. So, patience is key as you work towards a healthier credit profile.

What constitutes a good credit score for a mortgage?

A good credit score can be the key to unlocking favourable loan terms and interest rates. However, what qualifies as a 'good' score can vary depending on the credit reporting agency assessing your history. These agencies each have their own scoring models, which can create some differences in what is considered a healthy credit score.

Let's break down the general range for a good credit score as assessed by the three major credit reference agencies (correct as of December 2024):

  • Experian: Typically, a credit score between 881 and 960 is deemed good.

  • TransUnion: For this agency, a good credit score usually falls between 721 and 780.

  • Equifax: A score ranging from 531 to 810 is considered good.

If you're aiming for more premium credit products, including the best mortgage rates, you might want to elevate your score into the excellent range:

  • Experian: Scores from 961 to 999 are classified as excellent.

  • TransUnion: An excellent score spans from 628 to 710.

  • Equifax: To be rated excellent with Equifax, aim for a score between 811 and 1000.

Maintaining or improving your credit score involves regular monitoring and responsible financial habits. This can lead to better borrowing options and financial benefits in the long run. Remember, the specific score ranges might change slightly over time, so it’s wise to check for the latest standards from each agency.

What credit score do you need for a mortgage?

It’s difficult to answer what exact credit score you need when applying for a mortgage, as lenders have got choosier about who they lend to in recent years, and if you have a bad credit score, you may struggle to find a ‘standard’ mortgage. That’s not to say it’s impossible, you may just have to shop around. A mortgage you are offered may not have terms that work for you, and you might find that what you’re offered is more restrictive than you’d like.

It’s important to note that having bad credit history is not the same as having no credit history. Lenders will be very wary about offering a mortgage to someone who there’s little information to go off, so if you think you are in this position, you may want to consider taking a few months or years to work on creating a credit score, before applying for a mortgage. As long as you’re responsible, you should be able to build on your score and get it to a good place fairly soon.

If you are struggling with a low credit score, some lenders offer specialised mortgage packages for your situation. You’re unlikely to get the best rates, however it’s still an option if you don’t feel you can improve your rating anytime soon.

Are there any mortgage providers that don't use a credit score?

While most traditional mortgage providers heavily weigh your credit score, there are alternatives available for those seeking options without this focus. Some lenders cater specifically to individuals with less-than-perfect credit histories, offering tailored solutions that don’t solely rely on a credit score.

Alternative lending options

Flexible criteria lenders

These lenders consider a broader range of financial factors. They might accept applicants with past financial difficulties, such as small County Court Judgements (CCJs) older than six months or satisfactorily settled Individual Voluntary Arrangements (IVAs).

Specialist mortgage brokers

Engaging with a specialist broker can be invaluable. These professionals have access to a variety of niche products designed for people facing challenges with their credit histories. They guide you through the process, offering strategies to enhance your approval odds and aligning you with suitable mortgage options.

Tips for navigating the process

  • Highlight other financial strengths: Showcase consistent income, steady employment history, or substantial savings to bolster your application.

  • Seek professional advice: A knowledgeable mortgage advisor can help pinpoint lenders whose criteria deviate from the conventional credit score-based assessments.

If you exploring these routes, it's possible to find a mortgage provider that aligns with your unique financial situation, even if your credit score isn’t at its best.

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Top ways to improve your credit score

Whether you’ve got bad credit, little history, or want to build on an already-good rating, all of these steps can help increase your credit score.

  • Make sure you’re on the open register. The electoral roll is used by agencies as proof of your residence. By appearing on the open register, you make yourself publicly traceable at your address, which lenders will find reassuring.

  • Pay your bills on time. Direct debits that constantly bounce will paint a bad picture of your finances, and suggest you’re unpredictable or unreliable. When all your bills get paid on time, you start building a portrait of yourself as a responsible lender.

  • Increase your overdraft. An overdraft is counted as credit by the CRAs. Even if you don’t use it, having it available to you helps show you’re sensible with you’re spending and don’t splurge just because you can.

  • Consolidate your records and accounts. The clearer a picture the CRAs can get of you, the better your score is likely to be. Having things like your banking, mobile phone contracts and drivers licence registered at different addresses can cause confusion and makes you look suspicious in the eyes of lenders. Even if you move around a lot, it’s important to keep all your records up to date.

  • Take out a credit card (and keep up with the repayments). To see that you’re responsible with credit, you need to have the opportunity to use it in the first place. By having a credit card which you use carefully and responsibly, you start building a picture of who you are, and you spend.

  • Reduce your debts. While having some credit on record is a good idea and will help build out your history, you should keep any debts under control, and paying these off will help prove you’re responsible when lent to. This is particularly important for any debts you have that are overdue.

Additional steps to enhance mortgage approval chances

  • Limit the number of credit applications you make. Try not to apply for new credit cards or loans at least 12 months before your mortgage application. Applying for credit all the time can be seen as something of a red flag, especially if you’re often turned down. By being careful and selective with your applications, you’ll come across as someone who doesn’t ‘rely’ on credit day-to-day, but uses it occasionally for sensible purchases or borrowing.

  • Keep credit utilisation low. Aim to keep your credit utilisation below 25%. This demonstrates to lenders that you’re using your available credit responsibly without maxing out your limits, a key factor in credit scoring models.

  • Timely payments are key. Continue making all credit payments on time. If you encounter any difficulties, reach out to your lender immediately to explore other options. This proactive approach helps prevent negative marks on your credit history.

  • Engage a mortgage broker. Once your credit score is optimised, consult a mortgage broker. They have access to a variety of mortgage deals and can help secure the best interest rates available to you.

  • Check your file is accurate. A lot of the information the CRAs hold on you is compiled automatically. It’s easy for them to confuse details and records, and something as simple as an incorrect house number could be harming your rating. Request a report from all three agencies and if there’s any incorrect details, demand to have them amended.

Note: The total amount of debt you have may not be factored into your credit score, but it will be looked at by lenders to see whether it’s feasible for you to build their payments into your budget. If you already have too much other debt to be focusing on, they may see you as too much of a risk.

How can I raise my credit score in 30 days?

If you’re wondering how to improve your credit score fast, there are a few things you can do. While they will make a small difference, you shouldn’t expect to transform your credit score in just a month. In the short term, the best options from the above would be joining the open register, consolidating all your details at one property, and applying for a credit card – but only if it looks highly likely you’ll be eligible for one.

With sensible use of credit and by keeping all your details up to date, there’s no reason why your score won’t improve over time. If you’ve managed to secure your mortgage agreement in principle, you’ll also want to appoint a conveyancer while you continue your property search. They take care of all the legal aspects of your property purchase, and you’ll want them ready to help as soon as you make an offer. For more advice on the process that lies ahead, take a look at our first-time buyers guide. Alternatively, get a quote for your conveyancing today.

Getting a mortgage

Once you are happy that your credit score is healthy it is time to apply for a mortgage. Below are the next steps you should take if you are ready to get a mortgage.

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