Does bitbargain.co.uk's "instant transfer" bank method mean users doing a Faster Payments transaction?
 - https://bitbargain.co.uk

When Bitcoin Fridge re-opens on April 6th, they might do this as well, not sure:
 - http://www.BitcoinFridge.co.uk

Transferwise to BITSTAMP seems the be the avenue many in the UK are taking:
 - http://www.reddit.com/r/BitcoinUK/comments/1b8rug