For most lenders, affordability assessment still starts with a document. A borrower uploads a bank statement, or a bureau report comes back with a score, and someone works through it manually to decide what a borrower can actually afford.
This process is slow, and it's also incomplete. A bank statement is a snapshot. It tells you what happened, not what's happening now, and it says nothing about income that arrived yesterday or a commitment that started this week.
Open Banking data changes what's possible here, and the European market, further ahead on adoption, already shows the scale of the shift.
What the numbers show
The clearest gains are in speed. UK lender LendInvest cut its time-to-decision by 50% after adopting Open Banking data, reducing the underwriting review of an applicant's financial history to five minutes. Elsewhere, research from Yolt Technology Services found Open Banking could cut loan processing time by more than 85%, turning a 16-day application-to-payment process into one measured in minutes. Equifax has made a similar point about mortgage applications specifically: Open Banking can bring the time needed to source and process a bank statement down from weeks to minutes.
The gains aren't limited to speed. Credit broker TotallyMoney saw a 22% increase in approval rates when lenders used enriched transaction data instead of credit reference agency data alone, meaning more borrowers approved without lenders taking on more risk. On the risk side, lender Moneyboat reported a 20% reduction in missed payments after incorporating Open Banking data into its affordability assessments, catching patterns like loan stacking or heavy BNPL use before they turn into defaults.
What a static document misses
A PDF statement can be months old by the time it's reviewed. It can be edited. It shows a period, not a pattern, and it says nothing about a borrower's financial behaviour today, only what it looked like on the day it was generated. Manual review compounds the problem too: every statement is read differently by whoever reviews it, and at volume, that inconsistency becomes a risk in itself.
What real-time data adds
With direct, consented access to a customer's bank account, a lender sees income as it arrives, not as it's reported. Recurring commitments, existing debt, spending patterns, and account behaviour are all visible in real time, refreshed continuously rather than captured once. That means affordability assessment reflects a borrower's actual financial position now, not a snapshot from weeks ago.
Where this is heading
Europe's numbers point to what's coming as Open Banking infrastructure matures across the GCC. Faster decisions, higher approval accuracy, fewer missed payments, not as a marginal improvement, but as the standard lenders will be expected to work with. The businesses that build affordability assessment around real-time data now will be the ones making faster, better-informed decisions before the shift becomes the norm.
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