I find it interesting the way different providers deal with showing the customer how much an overdraft will cost.
Interestingly, the FCA have recently produced a consultation paper on tackling Overdraft Fees - https://www.fca.org.uk/publications/consultation-papers/cp18-42-high-cost-credit-review-overdrafts-consultation-paper-and-policy-statement
There is a Forum Thread discussing the consultation and the “banning” of overdraft fees (fixed charges) all together - Banning overdraft fees