Card fees for online transactions between UK and EU up five-fold since Brexit.

The new rules come into force later this year.

The Payment Systems Regulator said UK firms paid up to an extra £200 million last year alone after rises in fees.

Change from October could lead to higher prices for those paying with UK-issued cards

The cost of using your card online to buy a shipment from France has soared fivefold since Brexit.

Visa and Mastercard's proposal to raise scheme fees and U.K. interchange rates on cross-border transactions post-Brexit has increased pressure on regulators to cap them, and on merchants to seek alternatives.

The Payment Systems Regulator (PSR) has zeroed in on escalating cross-border interchange fees levied by major card operators Mastercard and Visa, proposing a cap on these fees to protect UK businesses from unfair charges.