Credit Report Errors: The Most Common UK Mistakes and Why They Happen

A credit report is assembled from several sources, so an error can be caused by a lender, a utility or telecoms provider, a credit reference agency, a public record or a matching problem between people and addresses.

The fastest route to a correction depends on who owns the data that is wrong.

When you find an error:

1. save a copy of the report showing it;
2. identify the organisation named against the entry;
3. gather evidence showing what is wrong;
4. dispute the entry with the credit reference agency and, where relevant, the organisation that supplied it;
5. keep complaint references and dates; and
6. escalate if an obvious inaccuracy is not corrected.

The Information Commissioner's Office says lenders and other organisations that supply account data share responsibility for its accuracy, while credit reference agencies are responsible for CRA-generated information such as financial links, linked addresses and aliases. If the error has already caused a financial loss or serious inconvenience, see what compensation for incorrect credit reporting can actually cover.

The three main UK consumer credit reference agencies are:

• Experian;
• Equifax; and
• TransUnion.

A mistake can appear on one file and not another because providers do not necessarily report identical data to every agency.

Start with your free statutory reports rather than relying only on one score app. Our guide explains how to get your statutory credit report from all three CRAs.

Then use our credit report walkthrough to check each section systematically.

This is the highest-priority error.

It can happen because of:

• identity fraud;
• a matching error;
• someone with a similar name;
• old shared-address data; or
• a provider attaching an account to the wrong person.

Do not simply dispute the balance. State clearly that you do not recognise the account.

If there are other signs of identity fraud, such as unfamiliar searches or applications, follow our guide on credit taken out in your name.

Two records do not always mean two debts.

A duplicate-looking entry can appear when:

• a debt is sold or assigned;
• an account moves between brands;
• a provider changes reporting systems; or
• the old record is not updated correctly when a new one starts.

The important check is whether both records make it look as though two live balances or two sets of arrears exist for one obligation.

Our dedicated guide explains how to remove genuine duplicate credit-report entries.

Payment-history markers are usually supplied by the lender or service provider.

Gather:

• the statement;
• bank evidence of payment;
• Direct Debit records;
• any payment-plan correspondence; and
• the exact month being disputed.

If the payment really was late because a Direct Debit failed, that is different from the lender reporting the wrong status.

For the correction process, see how to dispute an incorrect late-payment marker.

The default date matters because a default normally remains on the credit file for six years from that date.

A later incorrect date can therefore keep adverse data visible longer than it should be.

Do not ask for a valid default to be deleted simply because it is harmful. Ask the provider to correct the date or status if the reporting is inaccurate.

Our guide on disputing a default covers the evidence and complaint route.

Credit-report data is not real time. A recently cleared balance can take a reporting cycle to update.

The question is whether the record is merely temporarily stale or genuinely wrong.

If the lender confirms its own system shows zero but the CRA still shows a balance after the provider's normal update cycle, raise a dispute with evidence of settlement.

Keep the final statement or settlement confirmation.

Again, allow for ordinary reporting delay first.

If an account has been closed for some time but remains open on the file, contact the provider shown against the entry.

This is especially important where an open account creates:

• an apparent credit limit you no longer have;
• an incorrect balance;
• a financial association;
• or a misleading picture of current commitments.

Linked addresses can be created legitimately when you move or use a previous address on an application.

The ICO says a linked address that attaches you to a debt that is not yours is not acceptable. Credit reference agencies record the source of address links and should be able to investigate why the link was created.

See how to fix incorrect address history for a focused correction process.

Living with somebody does not by itself create a financial association. Joint financial products can.

If a joint account or credit agreement has ended, the association may not disappear automatically.

Check all three reports and request disassociation where there is no longer a live financial connection. Our guide explains how to remove a financial association.

Electoral-register data is used as an identity and address signal.

If you are registered but your credit file does not show it correctly:

1. confirm the council registration details;
2. make sure the spelling and address format match;
3. allow for update timing; and
4. dispute the CRA record if it remains wrong.

See what to do when the electoral roll status is wrong.

Not every unfamiliar search is fraud.

Soft searches can come from:

• identity checks;
• quotation services;
• account reviews;
• comparison journeys; or
• your own credit-report access.

A hard search associated with an application you never made deserves faster investigation.

Use our guide on hard versus soft searches to identify the footprint before disputing it.

Use the owner of the data as your guide.

The ICO explains that CRAs generally cannot simply rewrite lender-supplied account data without the provider's involvement.

That is why sending the same generic complaint to three CRAs can be slower than identifying the source first.

Keep the dispute narrow.

Useful evidence includes:

• statements;
• payment confirmations;
• closure letters;
• settlement letters;
• identity documents where necessary;
• council electoral-registration confirmation;
• correspondence from the lender;
• fraud reference information; and
• a screenshot or PDF of the incorrect entry.

Explain:

what the report says → what it should say → why → what evidence proves it.

That is easier to investigate than a long complaint about the score falling.

If the CRA says the lender supplied the data, complain to the lender.

If the lender says its data is correct but your evidence shows otherwise, use its formal complaints process.

The ICO says that where you have contacted the CRA and original lender and there is an obvious inaccuracy they will not correct, you may complain to the ICO. The ICO deals with data-protection accuracy issues; it does not decide the underlying financial dispute.

Depending on the complaint, the Financial Ombudsman Service may also be relevant for disputes with regulated financial firms.

There is no single instant update time across all providers and CRAs.

Allow for:

• complaint investigation;
• the provider's next reporting submission; and
• the CRA's processing cycle.

Keep checking the actual entry rather than the consumer score alone. The score can lag or move for unrelated reasons.

Browse all our credit score guides.

• Information Commissioner's Office — Credit
• Information Commissioner's Office — Right to rectification
• Financial Ombudsman Service — Credit and borrowing complaints
• Data Protection Act 2018

Related: How to Read Your Credit Report | Remove Duplicate Accounts | Fix Incorrect Address History.