A mortgage credit check lets a lender review relevant credit-reference information as part of its decision. The type of search, the stage at which it happens and what the lender does with the result can differ, so ask whether a proposed check is soft or hard before you proceed.
What does a mortgage credit check involve?
A lender can use credit-reference information to confirm identity and address details, review reported accounts and payment history, see relevant public records and identify financial associations and earlier search footprints. It combines that information with the application, its own criteria and a separate affordability assessment.
Soft and hard mortgage credit searches
Both involve access to credit-reference information. Their visibility and purpose are different.
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| Search type | How it may be used | What appears on the report | What it means for you |
|---|---|---|---|
| Soft searchEligibility or identity check | A lender, broker or comparison service may use a soft search for an initial eligibility indication, quotation or identity check. An agreement in principle can use one, depending on the lender. | You can see the search on your report. Experian, Equifax and TransUnion explain that soft-search footprints are not visible to other lenders assessing later applications. | It does not affect your consumer credit score or later applications. A positive indication is not a mortgage offer and does not guarantee the result of a full assessment. |
| Hard searchCredit application | A formal mortgage or other credit application commonly involves a hard search. Confirm the lender’s process before the application is submitted. | The application search is recorded and can be visible to organisations that later search the report. | It may affect a consumer score or a later lender’s view, particularly where several applications are close together. The effect and decision are lender- and agency-specific. |
| Your own report checkPreparation, not an application | You obtain your information directly from a credit reference agency or an authorised report service to check its accuracy. | The access may appear for you as a soft enquiry, but it is not a credit application visible to lenders. | Checking your own report does not harm the score. It can help you find an address mismatch, unfamiliar search or inaccurate account before a mortgage application. |
Sources: Experian: searches and credit checks (opens in a new tab) · Equifax: soft searches (opens in a new tab) · TransUnion: understanding your credit information (opens in a new tab)
Where a credit search may fit into the application
The sequence below is a practical guide, not a promise that every lender follows the same search process.
Check your own reports
Review current information before an application. This does not count as applying for credit. Compare all relevant reports if accounts, addresses or searches differ.
Initial advice or eligibility
An adviser can first gather the mortgage objective, deposit or equity, income, commitments and credit history. If a search is proposed, establish who will carry it out and why.
Agreement in principle
The lender uses supplied information and may search a credit file. The check can be soft or hard. The result is an indication and can change when the full case and property are assessed.
Full application
The lender reviews the complete application, evidence and property. A formal application commonly includes a hard search, but the lender should confirm its process.
Questions or changes
If borrowing, applicants, income, commitments or the property change, ask whether the case must be reassessed and whether another search is expected.
Offer and completion
An agreement in principle is not the offer. Keep the lender or adviser informed of material changes and avoid taking new credit without considering its effect on affordability and the live application.
MoneyHelper explains the distinction between an agreement in principle and a full mortgage offer (opens in a new tab).
What may be reviewed in a mortgage credit check?
A lender’s access and use depend on the agency, purpose and its own process. These are common areas held in UK credit files.
Names, addresses and electoral-register data
Current and previous address information can help match the application to the correct file. A mismatch needs checking rather than guessing that a low score caused the problem.
Reported credit and payment conduct
The report can show credit accounts, balances or limits, payment status and how accounts have been maintained. The detail and update date can differ between agencies.
CCJs and insolvency information
Relevant public records can include county court judgments, bankruptcy and insolvency data. The type, date, amount and present status matter more than a broad “bad credit” label.
Financial associations
A financial association can arise from joint credit. Where a joint mortgage is proposed, both applicants’ information and the shared application need assessment.
Search footprints
Your report can show organisations that accessed it and the type or purpose of the footprint. An unfamiliar hard search should be investigated with the named organisation and the agency.
The lender’s own information
A lender can combine agency data with the application, information it already holds, fraud-prevention checks and its own scoring. The credit reference agency does not make the mortgage decision.
A credit check is only one part of a mortgage decision
Passing an eligibility search does not establish that the loan is affordable or that the property and evidence meet the lender’s requirements.
Affordability and income evidence
For a regulated mortgage, FCA rules require the lender to assess whether the customer can pay the sums due, using income and committed and household expenditure. The lender also obtains suitable income evidence. Employment and income are not simply read from a consumer credit score.
Deposit, equity and source of funds
The amount being borrowed against the lender’s accepted property value and the source of the deposit or equity form part of the case. A larger deposit does not cancel credit, affordability or property concerns.
Property and transaction
Valuation, construction, tenure, lease terms, intended use and legal work can affect an application separately from the credit search. A good search result does not approve the property.
Lender and product criteria
Internal scorecards, agency use and product rules can change and are not normally published in full. A result from one lender or stage cannot be treated as approval across the market.
Regulatory source: FCA Handbook, MCOB 11.6 responsible lending (opens in a new tab).
Prepare for a mortgage credit search
The useful goal is accurate information and a deliberate application, rather than trying to manufacture a particular app score.
Identify the application stage
Confirm whether you are requesting advice, an eligibility indication, an agreement in principle or a full application.
Ask soft or hard
Ask what type of search will be made, by whom and for which applicant. Keep the answer with your application records.
Use consistent details
Give accurate names, address history and application figures. Explain a genuine variation rather than altering details to obtain a different result.
Review the underlying entries
Check accounts, balances, payment status, public records, associations and searches. Record the date on which each report was obtained.
Correct genuine errors
Raise inaccurate data with the credit reference agency and the organisation that supplied it where appropriate. Keep correspondence and the eventual outcome.
Protect sensitive records
Use an agreed secure route for reports and documents. An initial callback request only needs a brief outline, not passwords, full account numbers or identity documents.
Deal with the reason before another application
A search footprint, a declined application and an inaccurate credit entry are different problems and need different responses.
The agreement in principle did not proceed
Ask whether the issue arose from credit information, affordability, identity matching, supplied details or lender criteria. A soft-search indication is not a mortgage offer, and a later assessment can reach a different result.
The full application was declined
Ask the lender or adviser for the main reason that can be provided before applying elsewhere. Experian states that a credit reference agency is not told that credit was refused or why, although a hard application search can remain visible.
Experian: what to do after declined credit (opens in a new tab)
You do not recognise a search
Check the organisation name, date and search type. Contact the organisation and the agency if it is unexplained. An unfamiliar application search can be a sign that your details have been used without your knowledge.
How the questions change by mortgage route
The soft-versus-hard distinction stays the same. The surrounding evidence and decisions differ.
First-time buyer
Separate limited credit history from adverse history. Confirm the search used for an agreement in principle before making offers based on it.
Home mover
Include the current mortgage, sale and any porting request. A previous approval does not establish that the new property and borrowing will pass a fresh assessment.
Remortgage customer
Ask how an existing-lender product transfer differs from an application to a new lender and which checks apply to the change you want.
Self-employed applicant
The credit search does not replace business and personal income evidence. Prepare the relevant figures and explain income changes separately from credit-file events.
How this mortgage credit-check guide was checked
The search definitions, credit-file contents and affordability distinction were checked against first-party or official UK sources.
Experian
Experian explains the visibility of soft and hard searches, checking your own report, and that most hard searches remain on its report for 12 months. Read Experian’s search guide (opens in a new tab).
Equifax
Equifax explains that a mortgage in principle can use a soft search and that a positive soft-search result does not guarantee the later formal application. Read Equifax’s explanation (opens in a new tab).
TransUnion
TransUnion describes hard and soft search footprints and their visibility to other lenders. Read TransUnion’s credit-information guide (opens in a new tab).
Information Commissioner’s Office
The ICO explains the main UK credit reference agencies, typical credit-file information, free access rights and how inaccurate information can be challenged. Read the ICO credit guidance (opens in a new tab).
MoneyHelper
MoneyHelper confirms that an agreement in principle is not a mortgage offer and can involve either a soft or hard credit check. Read the agreement-in-principle guide (opens in a new tab).
FCA mortgage rules
MCOB 11.6 sets out the separate affordability assessment for regulated mortgages, including income and expenditure. Read MCOB 11.6 (opens in a new tab).
Information and source links reviewed 19 September 2026. Lenders’ internal scorecards, chosen agencies, products and search processes can change and require case-specific confirmation.
Discuss the right next step before an application
Tell Count Ready whether you are buying, moving or remortgaging, whether an agreement in principle or full application has already been made, and the broad type and date of any credit issue. An adviser can explain what needs reviewing and whether a lender search is an appropriate next step.
An enquiry does not guarantee eligibility, an agreement in principle, a mortgage offer or completion.
Mortgage credit checks in the UK
Does a mortgage in principle use a soft or hard credit check?
It can use either. MoneyHelper and Equifax explain that some lenders use a soft check for an agreement in principle while others use a hard check. Ask the lender or adviser which search will be made before proceeding. An agreement in principle is an indication, not a mortgage offer.
Can other lenders see a soft mortgage search?
Experian, Equifax and TransUnion explain that a soft-search footprint is visible to you but not to other lenders assessing later applications. It does not affect your consumer score or later credit applications. You should still check who is carrying out the search and why.
Can a hard mortgage search affect my credit score?
It may affect the consumer score and it is visible to organisations that later search the report. Several applications in a short period can influence a later decision. There is no reliable universal number of searches that is safe for every applicant, agency and lender.
How long does a hard mortgage search stay on my credit report?
Experian states that most hard searches remain on its credit report for 12 months. Check the dated information supplied by each relevant credit reference agency rather than assuming every report displays and retains searches identically.
Can a lender see my salary in a mortgage credit check?
A consumer credit report is not a salary record. The lender normally obtains income and expenditure information through the application and supporting evidence, and combines it with credit-reference and other checks. For regulated mortgages, the FCA’s rules require a separate affordability assessment.
Does passing a soft search mean the mortgage will be approved?
No. A soft-search result can indicate eligibility using the information available at that stage. The full application can still change after evidence, affordability, a hard search, the property, fraud-prevention checks and the lender’s detailed criteria are assessed.
What should I do after a mortgage application is declined?
Ask the lender or adviser for the main reason that can be given and check the information used before applying again. The credit reference agency is not told that you were refused or why, but a hard application search can remain visible. Resolve an error, missing document, affordability issue or lender mismatch according to the actual cause.
Continue with the right credit guide
General information only, not personal financial or legal advice. Count Ready is a credit broker, not a lender. A search, discussion, agreement in principle or application does not guarantee a mortgage offer. Your home may be repossessed if you do not keep up repayments on your mortgage.