huge commission??? it's called transfer fee. Imagine that fee if you had to travel yourself and hand it over. Just think about it if you are freaked out that they're asking for too much money.
I don't know what's the law in your state, here in california, You can't send more than 5,000 a day and if you try to send more than 2000 to UK, you'll be asked tons of questions, in order to save you from possible frauds/scams being played around from those countries.
Go for western union , money gram sucks