Everyday, people are either looking to apply for a credit card or to switch to one that charges lower rates. If you are an Australian or a New Zealander who are or will be doing your big Overseas Working Holiday Experience in the UK, it would be best to apply for a local uk credit card. This would certainly save you a lot from international purchase surcharge if you were to use credit cards issued from Australia or New Zealand while working or living in the UK.
Check out Mint Credit Cards amazing introductory offer and they've recently lowered their typical APR. One of the great features I find very useful is the free online account management where you can download statements and receive email and text alerts. The full list of features and benefits can be viewed online at its website.
Most important of all, there is NO ANNUAL FEE!