if he can’t I can check into it on monday at work. 45# is nothing. I ship out boxes at 110+ daily through ups, and they are never more than $60 nationally, $100 canada. I have only ever shipped to the UK once, and it was a medium sized box so not really comparable here.
If all else fails, i have a UPS account #, can arrange the pickup, and you can just pay my boss. That would be the cheapest route i would assume!