Surprised it has not been mentioned, but Bitstamp is almost certainly your best bet from the UK, but you will need to verify your account once registered - which takes a few days.
Trades are priced in dollars, and conversions are done on deposit and withdrawal, but the fees are reasonable.
Trades are priced in dollars, and conversions are done on deposit and withdrawal, but the fees are reasonable.
Doing international transfers is a costly pain. I've been looking for a transfer service like XE trade or Currency Fair to help out, but I'm unsure whether they support bitcoin exchanges, whether the exchanges will accept the money from another party and whether the transfers allow references to be included.