given the current situation, I think you will get more joy from a call centre, and I think that you will get everything back. Check the policy that has ben released. When I rang BAEC to cancel my award flight, they said to me, ' as per the policy released by BA, we will refund you the origional form of your payment." ie; everything.
http://www.britishairways.com/travel...b?p_faqid=4120