How is Credit Score Determined in the UK? + Tips to Improve It
If you’re planning to move abroad or simply want to tidy up your finances here at home, knowing how your credit score is determined – and more importantly, how to improve it – is definitely a smart move!
Your credit score is just a number, but it’s a reflection of your financial behaviour, which makes it a pretty key part of your financial health. It affects everything from mobile phone contracts to mortgages, and if you’re relocating, your history here may influence how lenders view you overseas.
What Is Your Credit File, and How Does it Shape Your Credit Score?
Your credit file is basically a full record of:
- Your past borrowing
- Your use of credit
- How you’ve handled bills and loans
The main credit reference agencies in the UK – Experian, Equifax, and TransUnion – collect data to build up this file. People often talk about their “credit score”, but the fact is, you actually have separate scores with each of the agencies because each one has its own system.
So, when you submit a credit application – for a credit card, for example -the lender may check your credit file via one or more of the agencies. The lender then uses their own criteria (plus the data in your file) to decide if you’re a good bet. So your credit score reflects how trustworthy you appear to a lender.
Which Factors Influence How Your Credit Score is Calculated?
There are a few things at play when your credit score is being calculated, so let’s explore some of these here:
Payment History (Pay Bills on Time)
This is absolutely critical. Missed payments or CCJs send big red flags to lenders.
Credit Accounts and Credit Utilisation
This includes:
- The number of credit accounts you hold (cards, loans, etc.)
- How long you’ve had them
- Especially how much of your available credit you’re using
For example, if you’ve got a credit card with a limit of £2,000 and you’re regularly using £1,800, that’s high use and it can hurt your score.
Credit History Length and Mix
The longer and more stable your borrowing history, the better, since it shows you’ve managed credit over time. Opening loads of new accounts can make you look riskier.
Public Records and Address Stability
If you’ve moved around a lot or have public records like bankruptcy or CCJs, your score will likely take a hit.
Errors in Your Credit Report
Mistakes happen! One survey found that 29% of UK adults who checked their credit report had errors on it.
Having all of these on your side helps you secure a good credit score; neglecting these things can land you with a low credit score, which can restrict your options.
What Are the Average Credit Scores and Why Do They Vary?
Since each agency uses a different scale, you’ll find different “average” numbers depending on who you ask.
- The average 2024 figure for Experian was 797 (out of 999).
- Equifax’s average is around 644 (out of 1,000).
- TransUnion reports an average of about 610 (out of 710) in recent data.
Age and location make a difference too: younger adults often have lower scores, simply because their credit history is shorter. Data shows, for example, that people aged 18‑25 may average around 447 in certain scoring models, but that rises to 839 for those aged 65+.
And there’s actually a bit of variation regionally, too: some parts of the UK have average scores in the 700s, others in the 800s.
What this tells you is two things: first, don’t panic if your agency’s number looks different from someone else’s; and second, focus less on the absolute number, more on the trend and the behaviour behind it.
Why Checking Your Credit Score Regularly Matters
You should check your credit score and credit file regularly (at least yearly, ideally more frequently) because:
- If you spot errors on your credit report, you can request corrections, and those corrections can improve your score. Over nine million UK adults could have mistakes on their credit files.
- Checking helps you spot identity fraud or unauthorised credit accounts.
- Keeping an eye on things helps you understand what lenders see when they view your file, so you’re better prepared when you submit a credit application.
And to clear up a common worry we see a lot of people ask: checking your own credit score via a soft check doesn’t hurt your score. It’s the hard checks (by lenders) that can leave marks.
How to Improve Your Credit Score
If you’re either planning a move abroad or at least considering it, improving your credit score now will give you a head‑start!
- Register on the Electoral Roll: It’s simple to do and helps confirm your address in the eyes of lenders.
- Pay all Bills on Time: Set direct debits or reminders so you don’t miss payments – your payment history is the single most important factor.
- Keep Your Credit Utilisation Low: Ideally, use less than 30% of your available credit. If you have a £1,000 limit, try to keep around £300 or less outstanding.
- Don’t Apply for Lots of New Credit at Once: Each credit application is logged. Lenders may see multiple applications as a sign of financial stress, which can lower your score.
- Check All Your Credit Reports with the Three Agencies: Since they each hold slightly different information, you’ll get the full picture only if you cover all three.
- Consider Requesting a Higher Limit (Only If You Won’t Increase Spending): If your card issuer offers a higher limit and you don’t use more of it, your utilisation rate drops, which helps.
- Keep Old Credit Accounts Open (If They Don’t Cost you Fees): Having long‑standing accounts shows a stable credit history.
You’ll likely see gradual improvement when you follow these steps consistently. Depending on how low your score was, it might take several months or even longer, but the effort definitely pays off: better credit scores often mean better interest rates and access to higher credit limits.
And if you’re moving abroad, having your UK financial history in good shape makes the transition easier!
Final Thoughts
Relocating or renting overseas? Simply want the peace of mind that your financial health is solid? Then building and maintaining a strong credit score here in the UK matters. You don’t have to be perfect here, just consistent.
How Upscore Can Help
If you want to make life even smoother when you move abroad, consider signing up for Upscore’s Finance Passport! It helps you carry your financial credentials in one place and present your stronger credit history when you need it abroad or at home.