You could call or email ... the details are
here
If you would like to speak to our Customer Support Team to enquire about a specific item, its price and/or availability, please call +44 (0)20 8757 3825 between 9.00am and 5.00pm Monday to Friday and we will be delighted to help.
Plus there are some 10% money off vouchers to print out if you're planning on spending more than GBP50.
Edit: if you don't get a response to your email, I'm sure some kind soul in the UK would happily phone them to save you an international call. PM me if I can help.
hth