A&C just to add a little balance, you didn't factoring in any UK landing fees of anywhere between £5-£15 (Landing and parking is free in America), in the UK you cant realistically go to big airports (unless you are prepared to pay £200+ in handling charges), you don't get a free hire car when you land somewhere to go exploring, British Weather is rubbish (especially this time of year) and GA is nowhere near as fun and easy as in the US.
You can get much better deals by going direct to American owned flight centres and newer, better equipped aircraft too. Don't get me wrong £62 per hour is a great rate for a C152 here and I think some hour building in the country you wish to work in is very beneficial but for quick & fun log book grinding, the US of A is hard to beat.