Pay-and-play Casinos (UK) Definition the concept, what it does, Open Banking "Pay via Bank", UK Rules, and Safety Bank Checks (18+) Essential: The gambling age in Great Britain is only available to those who are 18.. These pages are general information that provides There are no casino advice, no "top lists," as well as no advice on how to gamble. This page explains what the "Pay and Play / Pay N Play" concept usually means, the way it connects to the Pay by Bank / Open Banking and what UK ...