The five things every lender checks
Most UK consumer credit decisions hinge on five overlapping areas. Lenders weight them differently depending on the product — a secured mortgage leans heavily on property value; a short-term personal loan leans on income and current commitments. But the five pillars apply everywhere.
Identity
Are you who you say you are? Address history, electoral roll, and document checks confirm this.
Credit history
Your track record of repaying debts. Pulled from one or more of the three UK credit reference agencies (Experian, Equifax, TransUnion).
Affordability
Can you comfortably meet the repayments after essential outgoings? Income minus committed spending.
Stability
Time at current address, time in current employment, and consistency of income all signal lower risk.
Application data
Everything you enter on the form — loan amount, purpose, income, employer — is cross-referenced against the above.
The credit check in detail
When a lender performs a credit search, it receives a snapshot of your borrowing history from a credit reference agency (CRA). That snapshot includes:
Accounts currently open (credit cards, loans, overdrafts, mortgages) and their balances
Payment history — whether you have paid on time, missed payments, or defaulted
Any County Court Judgements (CCJs), Individual Voluntary Arrangements (IVAs), or bankruptcies
Previous applications for credit (hard searches) in the last 12–24 months
Your current and previous addresses, used to confirm identity and residency
The lender doesn't just see your score — it sees the underlying data. A score of 650 with three missed payments in the last six months looks very different from a score of 650 with a single old default from five years ago.
Affordability: how it's calculated
The FCA's consumer credit rules require lenders to carry out a reasonable assessment that you can repay without causing significant financial difficulty. In practice, that means calculating your disposable income — money left after essential spending — and checking it covers the new repayment comfortably.
Worked example — indicative only
Take-home pay £2,100/month
Rent + bills + food + travel £1,480/month
Existing loan repayments £120/month
Disposable income £500/month
New repayment of £95.21/month would leave a £404.79 buffer — likely to pass affordability. Subject to status.
The example above uses Cash Train's representative Flex rate: £500 over 6 months at 49.9% APR (fixed), monthly repayment £95.21, total repayable £571.26. Indicative — subject to status and affordability.
Lenders typically verify declared income using Open Banking data or payslip uploads. If stated income doesn't match transaction history, the application stalls or is declined — not because the applicant lied, but because the lender's system flags the inconsistency for review.
How lenders view different income types
Not all income is weighted the same. Lenders prize regular, predictable income because it gives confidence about future repayments.
Salaried employment
Strongest signal. Regular BACS credits matching stated salary are easy to verify.
Self-employed / sole trader
Accepted by most lenders but requires evidence. SA302, accountant letter, or 12+ months' bank statements showing consistent turnover.
Benefits (PIP, ESA, UC etc.)
Accepted. Award letters plus bank statements showing credits. Some lenders apply a cap on the benefit proportion of total income.
Zero-hours or irregular hours
Workable. Lenders typically average the last three months' income and apply a stress margin. Declared income must be supportable.
Rental income
Usually acceptable as a secondary income source alongside earned income. Lenders may discount it to account for void periods.
What "adverse credit" actually means
Adverse credit is a catch-all term for negative marks on a credit file. Lenders treat different types of adverse credit very differently.
Lower severity
One or two late payments, 12+ months ago
Small balance defaults, now satisfied
High credit utilisation (improving)
Multiple soft searches
Higher severity
Active CCJ within last 6 years
IVA or bankruptcy within last 6 years
Multiple defaults in last 12 months
Fraudulent application markers (CIFAS)
Time is the biggest factor. A CCJ from five years ago on an otherwise clean file is viewed very differently from one registered six months ago. Most negative markers fall off after six years.
Soft searches vs hard searches
Before you formally apply, many lenders offer a soft search eligibility checker. Understanding the difference matters:
Soft search
Runs at eligibility-check stage. Visible only to you — not other lenders. Does not affect your credit score. Use as many as you need to compare options.
Hard search
Runs when you submit a full application. Visible to other lenders. Leaves a footprint. Multiple hard searches in a short period can marginally reduce your score.
Best practice: use soft-search tools to gauge likelihood of approval across lenders, then make a single full application to the best fit. Avoid scatter-gun applications.
Quick reference: terms you'll see on applications
Credit utilisation: The percentage of your available revolving credit (credit cards, overdrafts) you are currently using. Below 30% is generally positive.
DSR (Debt-to-income): Your total monthly debt repayments divided by gross monthly income. Lower is better for affordability.
Electoral roll: Being registered to vote at your current address helps lenders confirm identity and residency — a free and simple step.
Hard footprint: The mark left on your credit file after a full credit check. Visible to other lenders for 12 months.
Open Banking: Secure read-only access to your bank transaction data, with your consent. Speeds up income and expenditure verification.
Underwriting: The internal process lenders use to decide whether to approve an application and at what rate.