It's been almost a year since the UK banks lent on TransferWise, which was the most efficient way to get money in and out of Bitstamp.
https://transferwise.com/blog/2013-04/notice-to-bitcoin-users-april-2013/The truth is, the UK is still closed for any serious Bitcoin investment. HMRC were just under a lot of pressure to clarify the situation, for tax purposes. Getting the banks to cave in, is less than hopeful right now, as it would only be detrimental to them.