Monzo will cap total overdraft interest and charges at £12 a month for customers classified as vulnerable after the Financial Conduct Authority’s sector-wide review of how digital banks explain arranged overdraft costs, the lender said Tuesday. The policy does not cut published equivalent annual rates for the wider user base—still tiered at 19%, 29%, or 39% depending on credit score—but it limits the pounds that can accrue when specialist support teams have flagged affordability stress.
The change follows a vulnerability data matching exercise Monzo ran with credit-reference inputs and internal signals such as repeated failed top-ups before payday. Customers who accept tailored repayment plans may also see temporary limit reductions to keep balances inside amounts they told specialists they can service. Monzo said the cap aligns with FCA expectations that firms not profit from customers who disclosed mental-health, caring, or income shocks.
What stays the same on your statement
For everyone else, Monzo’s existing £15.50 monthly cap on unarranged overdraft charges remains, alongside the ban on daily fixed fees the bank removed when industry-wide reforms landed in 2020. Arranged overdrafts still compound interest daily on the borrowed balance; at a 39% EAR, a £500 overdraft held for a month costs roughly £14 in interest if untouched—below the vulnerable cap but painful on tight budgets. The new £12 limit effectively wipes interest for flagged accounts that would otherwise breach it, functioning as a partial fee holiday rather than a rate cut.
Missed payments on other Monzo borrowing products still do not trigger late fees, a policy the bank reiterated for cost-of-living cohorts. Credit files, however, record sustained overdraft use, so customers should not treat the cap as consequence-free borrowing.
FCA vulnerability sweep mechanics
The regulator’s sweep asked neobanks and incumbents alike how they identify customers worse off after overdraft pricing moved to single interest rates. Monzo’s response, shared in summary with staff last week, described in-app questionnaires and proactive chat outreach when direct debits fail twice in a billing cycle. The FCA has not published enforcement fines against Monzo; the cap is presented as a commercial adjustment ahead of broader guidance on digital nudges.
Traditional banks have run similar programmes for years, but Monzo’s entirely app-based servicing means vulnerability flags translate into product rules within days, not after posted letters. Critics say automated flags risk false positives; Monzo counters that humans review cases before the £12 cap activates.
Practical guidance for households
If you think you qualify for support, Monzo instructs customers to use the Help tab rather than relying on the cap to trigger automatically—some flags need documentary confirmation of benefits or employer hardship letters. Switching banks does not erase overdraft debt; balance transfers to credit cards may be cheaper for large sums but require eligibility many stressed borrowers lack.
Debt advisers at StepChange said caps help but do not replace sustainable budgets: a £12 ceiling on a persistent £2,000 overdraft still leaves principal untouched. Monzo’s specialist team can freeze interest entirely in exceptional cases, beyond Tuesday’s announcement.
For the wider market, the move signals that regulators are watching app copy and affordability algorithms as closely as branch posters. Other challengers may announce parallel caps before the FCA’s thematic review closes. Households should read their overdraft agreement for the revert EAR, set low-balance alerts, and treat vulnerability support as a bridge—not permission to carry arranged overdrafts indefinitely at any price.
Monzo said it would write to affected customers before the cap appears on statements, spelling out whether interest accrual pauses entirely or simply stops once the £12 threshold is hit. That letter is the document to keep if a future dispute arises with credit-reference agencies over how overdraft utilisation was reported during the support period.
Parliamentarians on the Treasury Committee have asked whether digital caps should be standardised across banks; Monzo’s £12 figure is lower than some high-street monthly limits but only applies to a subset of users. Comparison sites updated their overdraft tables within hours of the announcement.
