What Is Bad Credit and How Can You Improve Your Credit Score?
- Mar 21, 2025
- 9 min read
Updated: Jul 27

How Do Credit Scores Work in the UK?
Bad credit can make it harder or more expensive to borrow money, but the term is often misunderstood. You don’t have one permanent score that follows you everywhere, and a rejection from one lender doesn’t mean every other application will fail. Your credit history is only one part of the information a lender may consider.
Knowing what is bad credit can help you understand why an application has been declined, why you’ve been offered a higher interest rate or what you can work on before applying again.
Your credit report may show missed payments, high balances or previous financial problems, but it can also be affected by having very little borrowing history. None of those issues has to define your finances forever.
How Do Credit Scores Work in the UK?
There isn’t a single official UK credit score used by every bank, mortgage provider or credit card company. Credit reference agencies collect information about borrowing and repayments, then present it to lenders alongside their own scoring systems. Each lender decides how much weight to give that information.
A credit score is an at-a-glance evaluation of your history of borrowing and repaying money. The Information Commissioner’s Office explains that credit reference agencies provide lenders with information about potential borrowers, which lenders can use when deciding whether to offer credit.
The three main consumer credit reference agencies are Experian, Equifax and TransUnion. They don’t all use the same scoring scale, and they may not hold exactly the same information about you. This means your score can look different depending on which service you check.
When you apply for a loan, mortgage, overdraft or credit card, a lender may request information from one or more agencies. It will usually combine that with your income, expenditure, current debts and the details included in your application. A strong score may help, but it doesn’t guarantee acceptance.
For many people, understanding what is bad credit and how lenders view it is the first step toward managing their finances. A low score usually means a person has had trouble with repayments in the past or has simply not borrowed money before.
This makes traditional banks hesitant to offer loans or credit cards. However, a poor score does not mean all financial options are closed, as some lenders consider current affordability rather than just past mistakes.
What Is Considered a Bad Credit Score?
A bad credit score is generally one that falls within the lower bands used by a particular credit reference agency. There is no single number that every UK agency and lender classifies as bad. The label attached to your score is therefore more useful when read alongside the details in your full report.
Experian currently uses a range from 0 to 1,250. Its lowest band runs from 0 to 640, but that classification applies only to Experian's system and doesn’t establish a universal lending rule. Experian also makes clear that even people with high scores aren’t guaranteed the best products or acceptance.
Lenders don’t have to use the score shown in a consumer app. They may calculate their own internal score based on your report and the product you’re applying for. A lender may also reject someone with a strong credit history when the repayments appear unaffordable.
What Can Damage Your Credit History?
Late and missed payments can affect your credit report because they show that a previous agreement wasn’t maintained as expected. Defaults, County Court judgments and formal insolvency arrangements may have a larger effect. A default normally remains visible on a UK credit file for 6 years from the date it was recorded.
High balances can also influence how lenders view an application. Regularly using most of an available credit limit may suggest that you’re heavily reliant on borrowing, even when you haven’t missed a payment. Reducing balances can cut interest costs while improving the overall position shown on your report.
Several credit applications made close together may lead to multiple hard searches. MoneyHelper explains that soft eligibility checks don’t affect your credit score, while hard checks are visible on your report. Too many full applications in a short period can make it appear that you urgently need credit.
It may surprise some people to learn that a lack of credit history can also make borrowing more difficult. Without previous repayment information, a lender has less evidence showing how you manage credit. This can affect younger adults, people who have recently moved to the UK and anyone who has avoided borrowing for a long time.
Does Your Income Appear on Your Credit Report?
Your salary doesn’t normally appear in the consumer credit score provided by a credit reference agency. A lender may still ask about your earnings, employment, and household spending when conducting an affordability assessment. This means income can affect an application even though it isn’t shown within the headline score.
Savings and household bills are also not normally reported in the same way as loans or credit cards. Paying council tax, energy bills and rent on time won’t automatically build a traditional borrowing history unless those payments are reported through a particular service or credit agreement.
Missing payments that later become debts or court judgments may still affect your wider financial position.
Your postcode doesn’t make you financially linked to other people living nearby. Credit decisions should be based on information connected to you and anyone with whom you have a financial association. Simply sharing an address with someone doesn’t automatically join your credit histories.
How Can You Check Your Credit Reports?
Check the information held by each of the main credit reference agencies rather than relying on a single score. Accounts or searches may appear with one agency before another, while some lenders report to fewer than all three. MoneyHelper recommends checking your reports before making an important credit application so you have time to correct any problems.
Look for old addresses, accounts you don’t recognise, payments incorrectly recorded as late and financial links to former partners. You should also check that settled accounts have been updated and that your current address is recorded consistently. Checking your own report creates a soft search and doesn’t reduce your score.
Contact both the credit reference agency and the organisation that supplied the information when you find an error. Explain what is wrong and provide any evidence you have, such as statements or payment confirmations.
Accurate negative information can’t usually be removed simply because it affects your score, but incorrect information should be investigated.
How Can You Improve Bad Credit?
Improving bad credit begins with making future payments on time. Direct Debits can reduce the risk of missing a due date, although you must still ensure there is enough money in the account.
Paying at least the required amount on time is more helpful than making a larger payment after the deadline.
Reduce credit-card and overdraft balances where you can, starting with expensive borrowing. Don’t miss household bills or priority debts to make extra credit-card payments, as that can create a more serious problem elsewhere. MoneyHelper notes that overdrafts can be particularly expensive when used for long periods.
Avoid applying for several products simply to see which lender accepts you. Use soft-search eligibility tools first, check the likely interest rate and consider whether the repayments fit your budget.
An acceptance doesn’t necessarily mean that taking the product is a good financial decision.
Building a better credit record takes time. MoneyHelper notes that improving a credit history can take at least 6 months, with longer periods likely if the report contains prior missed payments or other issues.
Can a Credit-Building Card Help?
A credit-building card may help someone with limited borrowing history demonstrate regular repayments, but it needs careful management. These cards often come with higher interest rates and lower limits than mainstream products. Carrying a balance can therefore become expensive.
A credit-building card can be used for daily expenses and repaid in full each month. Keep spending modest and use it only for purchases already covered by your budget. You don’t need to pay interest or remain in debt to build a payment record.
Set up a Direct Debit for the full statement balance where affordable, then check every statement for unexpected transactions. Avoid cash withdrawals, late payments and spending close to the limit. A credit-building product is only useful when it remains manageable.
Can Registering to Vote Improve Your Credit Profile?
Registering on the electoral roll helps credit reference agencies match your name with your current address. This can support identity checks and reduce uncertainty when a lender reviews an application.
MoneyHelper lists electoral registration as one of the actions that may help strengthen a credit profile.
The full electoral register is separate from the open register. You can opt out of the open version without removing yourself from the full register used for authorised purposes. Your choice about the open register doesn’t affect your right to vote.
Updates may not appear on your credit reports immediately. Councils and credit reference agencies update information on different schedules, so allow time before raising a dispute. Check your address with each agency after moving home.
What Is a Financial Association?
A financial association can be created when you share a financial product with another person. Examples include a joint current account, a mortgage, or a loan. Lenders may consider that person’s credit history when assessing certain applications.
Marriage, a shared address or a family relationship doesn’t automatically create a financial association. The link normally arises from joint financial activity. You can see recorded associations when reviewing your credit reports.
Ask the credit reference agencies about disassociation when a joint financial relationship has ended, and the shared products have been closed. This won’t remove accurate information about debts that still exist. It can prevent an outdated connection from affecting later applications.
What Is a Notice of Correction?
A notice of correction is a short statement added to your credit report to explain a particular entry. You might use one when illness, redundancy or another serious event contributed to missed payments. The original information stays on the report, but a lender can read your explanation.
Keep the wording factual and connected to the entry it addresses. A notice doesn’t guarantee approval or automatically increase the numerical score. It also shouldn’t replace a formal dispute when the information itself is inaccurate.
Some automated applications may be referred for manual review when a notice is present. This can make a decision take longer, but it gives the lender an opportunity to consider the context. Contact each agency holding the entry if you want the notice to appear across your reports.
How Long Does It Take to Repair Bad Credit?
There is no fixed period because it depends on the information recorded and the actions you take. Correcting a simple reporting error may produce a change sooner than rebuilding after a default or court judgment. Agencies and lenders also update their records at different points during the month.
Paying a defaulted account won’t usually remove it immediately, but the entry should be marked as settled or satisfied. This gives future lenders a more complete picture than leaving the debt unpaid. The original default may still remain for its normal reporting period.
Focus on improving the report rather than chasing daily changes in the score. Pay on time, lower balances and avoid unnecessary applications. Those actions build the evidence lenders need when assessing future borrowing.
What Should You Do After Being Refused Credit?
Don’t submit several new applications immediately after a rejection. Another lender may use similar criteria, while each fresh hard search can add to the application activity shown on your report. Pause and find out what may have caused the refusal.
The lender should tell you which credit reference agency it used, though it may not disclose its full scoring process. Check that report first, then review the others for inconsistencies. MoneyHelper provides guidance for people who have been refused a loan, a credit card, or an overdraft.
Consider whether affordability was the issue rather than the credit score. A lender may decide that the new repayment would place too much pressure on your income, even when the credit report looks good. Reducing existing commitments may help more than applying elsewhere.
If you need credit to pay for food, rent, energy or existing debts, speak to a free debt adviser before taking another loan. MoneyHelper can direct people to free debt advice and support with prioritising what they owe.
Check the Information Before Chasing the Number
Your first step should be checking what is actually recorded, rather than trying random techniques to push the score upwards.
Bad credit can result from missed payments, high balances, limited credit history, mistakes, or several issues occurring together. The most useful action depends on what your reports contain.
Work through one problem at a time. Correct inaccurate information, register your current address and keep future payments on schedule. A stronger credit history is built through repeated evidence that your financial commitments are being managed.
Frequently Asked Questions
What is bad credit in the UK?
Bad credit generally means that your credit history contains information which may make lenders view you as a higher-risk borrower. There is no single score used by all UK lenders or credit reference agencies.
Does checking my credit score lower it?
Checking your own credit score doesn’t lower it because this creates a soft search. Full-credit applications may trigger hard searches that other lenders can see.
Can I improve my credit score without borrowing money?
You may be able to improve your credit profile by registering to vote, correcting mistakes and managing existing accounts well. You shouldn’t borrow unnecessarily just to create a score.
How long do missed payments stay on a credit report?
Accurate missed-payment and default information will normally remain visible for 6 years. Paying the account may change its status to settled, but it won’t usually remove the original entry early.
Can I get a loan with bad credit?
Some lenders may accept applicants with bad credit, but the interest rates and total repayment costs can be higher. Check affordability carefully and avoid borrowing to cover essential living costs or existing debt repayments.
Will paying off debt improve my credit score?
Reducing debt may improve your credit profile by lowering balances and showing that accounts are being managed. The effect will depend on the remaining information recorded in your reports.






