There is no universal UK credit-score number that secures a mortgage. The number shown by a credit-reference app is a useful prompt to inspect your report, while the lender makes its own decision using credit data, your application, affordability and current criteria.
Is there a minimum credit score for a UK mortgage?
No single Experian, Equifax or TransUnion score is a pass mark for every mortgage. Lenders use different credit-reference data and their own assessment methods. A high consumer score cannot guarantee acceptance, and a low score does not by itself prove that no mortgage is available.
A score, a report and a lender decision are different
Confusing these three things leads to false confidence or unnecessary worry.
Consumer credit score
A credit reference agency or monitoring service calculates a number to summarise information it holds. It can help you notice a change, but the scale and formula belong to that provider.
Credit report
The report contains identity and address data, credit accounts, payment status, searches, financial associations and relevant public information. Reports can differ because organisations do not always supply the same data to every agency or update it at the same time.
Lender assessment
A lender may use credit-reference data, an internal or bureau score, application details, information it already holds and affordability checks. It also applies rules for the mortgage, loan-to-value and property.
Why the same person can see different scores
The agencies use different ranges and models. Compare the report information and band meaning rather than the raw numbers.
| Agency | Consumer scale checked in September 2026 | What to remember |
|---|---|---|
| Experian | 0 to 1,250 | Experian’s public score summarises its report. A lender may calculate a different score using the report, the application and its own information. |
| Equifax | 0 to 1,000 | Equifax states that there is no universal score used by every lender or agency. Its number is an indication based on the Equifax report. |
| TransUnion | 0 to 710, moving to 0 to 999 | TransUnion announced a phased move to the new scale from late September 2026 to June 2027. During the rollout, the score displayed can depend on which partner service you use and when it adopts the change. |
Need the reports themselves? Use Count Ready’s separate guide to obtain your credit reports (opens in a new tab). Check the agency’s current access terms before choosing a paid monitoring service.
What lenders assess beyond the app score
The lender needs enough evidence to judge the proposed mortgage, not just a label on a consumer dashboard.
Payment and credit history
Account conduct, missed payments, defaults, CCJs, arrangements and insolvency records can be relevant. The type, date, amount, frequency, status and explanation may matter differently under each lender’s criteria.
Current commitments
Outstanding loans, credit cards, overdrafts, maintenance and other contractual payments can affect affordability even when every payment is up to date.
Income and expenditure
For a regulated mortgage, the lender must assess affordability using income and household expenditure and consider likely future interest-rate increases. A credit score cannot replace that work.
Deposit or equity
The amount borrowed compared with the property value can influence products and pricing. A larger deposit changes the loan-to-value; it does not erase a credit event or guarantee a decision.
Application consistency
Names, addresses, employment, income, commitments and explanations should be complete and consistent with the evidence. A mismatch may need clarification even when it does not affect a consumer score.
Property and mortgage
The property, tenure, valuation, term, repayment method, borrowing purpose and product rules can all affect the outcome separately from the applicant’s credit data.
Ask what stage is proposed and whether the lender expects a soft or hard search before giving consent. Reporting periods and older events are explained in the credit-history lookback guide (opens in a new tab).
What your score may be telling you to check
Use the displayed score as a starting question. The action depends on the report and the mortgage plans behind it.
| What you see | What it may mean | Useful next action |
|---|---|---|
| A high score | The provider views the information in its report positively. Another report, affordability or lender criteria can still change the mortgage decision. | Check the full reports and prepare the mortgage figures and evidence. Do not treat the score as pre-approval. |
| A low score | Negative information, high balances, recent activity, limited history or a data issue may be contributing. The score alone does not identify which lenders or products apply. | Read the provider’s factors, inspect the report entries and discuss the actual cause before making mortgage applications. |
| Scores that disagree | The agencies use different scales, models, data suppliers and update dates. A difference is not automatically an error. | Compare names, addresses, accounts, balances, statuses, searches and public records across the reports. |
| No score or a thin file | The service may have too little information, may be unable to match your identity or may not cover the data you expected. | Follow the no or limited UK credit-history guide (opens in a new tab); do not take unnecessary debt simply to create a number. |
| A sudden change | A new balance, search, account status, address change, model update or correction may have reached the service. | Check the dated report and the provider’s change explanation. Challenge inaccurate data with the relevant agency or organisation. |
| A better score after repayment | The consumer score may have responded to updated balances or conduct. Accurate historic events can still remain on the report. | Keep settlement evidence and check that each report shows the correct balance and status before relying on the change. |
Six checks that matter more than chasing a number
These steps help you present accurate information and avoid applications based on a score alone.
Obtain current reports
Use the statutory or other appropriate access routes for the main UK agencies. Checking your own report is a soft search and does not count as a credit application.
Check identity and addresses
Review names, dates of birth, current and previous addresses and electoral-register information. Correct a mismatch rather than assuming a low score explains it.
Review every account
Check ownership, balances, limits, payment status, default dates, settlement markers and financial associations. Compare the agencies where the information differs.
Dispute genuine errors
Contact the agency and, where relevant, the organisation that supplied the data. Keep the evidence and outcome. Do not dispute an accurate event simply because it affects a score.
Prepare the mortgage case
Record the property plans, loan required, deposit or equity, income, commitments, household costs and a factual timeline for any credit difficulty.
Ask about searches
Before consent, ask what stage is proposed, which information is being submitted and whether the lender expects a soft or hard search. Avoid repeated speculative applications.
Apply the credit check to the right mortgage route
The consumer-score principle is the same, while the evidence and transaction questions change.
First-time buyer
Keep deposit, buying costs and any family help clear. Limited credit history and adverse credit are different issues, so identify which one applies.
Home mover
Include the existing mortgage, sale proceeds, early repayment charge and whether the current deal can be ported. A new property and loan still require assessment.
Remortgage customer
Record the current deal end, redemption amount, estimated value and any extra borrowing. An app score cannot show whether staying or switching gives the better overall result.
Self-employed applicant
Prepare current income evidence and explain business transfers separately from personal credit records. Trading evidence and credit history need to be assessed together.
How this guide was checked
Agency scales and mortgage-assessment statements were checked against current first-party or official UK sources.
Experian
Experian explains its current 0–1,250 score, the absence of a universal mortgage number and the difference between its consumer score and lender scoring. Read Experian’s mortgage credit guide (opens in a new tab).
Equifax
Equifax states that its score runs from 0–1,000 and that there is no universal score used by all lenders or agencies. Read Equifax’s credit-score explanation (opens in a new tab).
TransUnion
TransUnion explains the phased move from its 0–710 score to a 0–999 model and confirms that the underlying report and lender decisions are separate from this consumer-score change. Read TransUnion’s score-change guide (opens in a new tab).
Information Commissioner’s Office
The ICO explains what credit files contain, free statutory reports and how to raise inaccurate information with an agency and the organisation that supplied it. Read the ICO credit-file guidance (opens in a new tab).
FCA mortgage rules
MCOB 11.6 covers affordability, including income, committed and household expenditure and likely future interest-rate increases for regulated mortgages. Read MCOB 11.6 (opens in a new tab).
What remains case-specific
Lenders’ scorecards, agency use, adverse-credit criteria, products and prices can change and are not normally published in full. A current individual assessment is still needed.
Information and source links reviewed 19 September 2026.
Discuss what is behind your credit score
Tell Count Ready whether you are buying, moving or remortgaging, the approximate loan and deposit or equity, your income type, and the broad type and date of any credit issue. An adviser can explain which reports and case details need checking before an application.
Requesting a discussion does not commit you to an application and does not confirm that a mortgage is available.
Credit scores and UK mortgages
Is there a minimum credit score for a UK mortgage?
No universal Experian, Equifax or TransUnion number applies to every UK mortgage. Each lender uses its own criteria and may use different credit-reference data, scoring and product rules. It also assesses affordability, the deposit or equity, the property and the information in the application.
Which credit score do mortgage lenders use?
There is no single answer across the market. A lender may use information from one or more credit reference agencies, a bureau or internal score, application data and information it already holds. The consumer number in an app is therefore a guide to that provider’s report, rather than a shared mortgage pass mark.
Why is my score different with Experian, Equifax and TransUnion?
The agencies use different number ranges, formulas, data suppliers and update timings. During TransUnion’s 2026–27 phased score change, partner services may also display its old or new scale at different times. Compare the underlying accounts, addresses, statuses and dates instead of treating equal numbers as equivalent.
Can I get a mortgage with a low credit score?
A low consumer score does not decide the application on its own. The reason for it matters, as do the credit events, current commitments, affordability, deposit or equity, property and lender criteria. Some applicants may have options and others may need to correct data, change the case or wait; none of those outcomes can be promised from the score alone.
Does checking my own credit report affect my score?
Checking your own report is a soft search and does not count as an application for credit. A lender may make a soft or hard search at different stages. Ask what search is proposed before giving consent, and avoid repeated full applications made only to test eligibility.
Does a high credit score guarantee a mortgage?
No. A high score reflects the provider’s view of information in its report. A lender still needs to assess affordability, application evidence, deposit or equity, property and product criteria. The report may also differ between agencies, and the mortgage decision can change after an agreement in principle.
Should I wait to improve my score before applying?
Base that decision on the cause and on a specific change you expect. Correct inaccurate data, keep required payments up to date and review the full case. Waiting simply for a higher app number may not change affordability or lender criteria, while a genuine correction, lower commitment or older credit event may justify a later review.
Continue with the right specialist guide
General information only, not personal financial or legal advice. Count Ready is a credit broker, not a lender. A score, 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.