A Beginner's Guide to Understanding Credit Scores

Updated
Jul 3, 2025 3:23 PM
Written by Nathan Cafearo
Discover what credit scores are, why they matter, and how they work in the UK. Empower yourself with easy explanations, real-life examples, and tips to build your financial future.

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Who Will Find This Guide Handy?

Hey there! If you’ve ever been curious, a little confused, or even anxious about what a credit score is—or why it keeps coming up when you think about borrowing money—you’re in the right place. This guide is for UK consumers who want to understand credit scores without wading through jargon or complicated financial speak. Whether you’re applying for your first credit card, thinking about buying a new phone on finance, or just want to get your finances in great shape, we’re here for you.

What Exactly Is a Credit Score?

Think of your credit score as a magic number that sums up how reliable you are when it comes to borrowing money. It’s calculated by credit reference agencies and tells lenders (like banks or finance companies) how likely you are to pay back what you owe. In the UK, this number usually ranges from 0 to 999, depending on which agency is doing the scoring.

Why Should You Care About Your Credit Score?

Your credit score can affect your daily life more than you might realise:
  • Borrowing power: Lenders use it to decide whether to approve you for loans, credit cards, mortgages, or car finance.
  • Better deals: A good score means you’re more likely to get lower interest rates and better offers.
  • First impressions: Even some employers and landlords check credit scores before offering you a job or a tenancy!

In short: a strong credit score can open doors. A low score might make things trickier—or more expensive.

How Do Credit Scores Really Work?

Let’s break it down without any fluff:

1. You use credit: Maybe you have a credit card, a mobile phone contract, or you’ve taken out a loan. 2. Your actions are tracked: Each time you make a payment (on time or late), take out more credit, or pay off a debt, the credit reference agencies add it to your credit report. 3. The agencies score you: They crunch all this info using their own formulas to calculate your score. 4. Lenders check your score: When you apply for credit, lenders use this number (and other details) to decide if and how they’ll lend to you.

Remember: each credit reference agency—like Experian, Equifax, and TransUnion—may score you slightly differently, but the idea stays the same.

Imagine This: How It Plays Out in Real Life

Sarah wants to buy her dream car. She’s found the perfect finance deal. But when she applies, she’s told her interest rate is higher than advertised. Why? Her credit score is lower than expected because she missed some credit card payments a year ago. If Sarah knew this earlier, she might’ve taken steps to build her score—saving herself a lot of money.

The Jargon Buster: Key Terms Made Simple

Credit Reference Agency: Companies that collect your credit info and calculate your score—main ones in the UK are Experian, Equifax, and TransUnion.

Credit Report: Your personal credit file showing your history of borrowing and payments.

Hard Search: When a lender checks your credit report as part of an application. Too many of these can lower your score.

Soft Search: A gentler check that does not affect your score—often used for eligibility checks.

Default: When you miss several months’ payments and your account is closed. This can seriously lower your credit score.

Quick Answers to Common Questions

Does everyone have a credit score?

Not always! If you’ve never borrowed money or taken out a contract, you might not have a credit score yet.

How often does my score change?

It can be updated every time new information is sent to the agencies, usually monthly.

Can I check my own score for free?

Yes! Most agencies let you check your score and report at no cost.

Will checking my score hurt my credit?

No, that’s called a soft check and it won’t affect your score.

How can I improve my score?

A few ways: pay your bills on time, register to vote at your current address, and only apply for credit when you really need it.

Ready to Take Control of Your Credit?

Understanding your credit score is the first step to financial confidence. At Kandoo, we want you to feel empowered, whether you’re applying for finance or just starting out.

Curious to see where you stand or want more helpful tips? Visit our website, explore our finance guides, or reach out to our friendly team. Let’s make your financial journey a little easier—together!

I am a business

Looking to offer finance options to my customers

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Apply for a loan

I'd like to apply for a personal loan

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