Via the bank could well be less, but it says it takes up to three days, which I find surprising. Cards and PayPal its £250 minimum, but when this arose some months ago, I'm fairly certain they told me it could be less over the phone. However, as my shortfall is under £20 at present, I shall ignore it and trust the market (and my positions) turn more positive shortly!
I appreciate your input over the last few days. Looking at the some of the rest of the forum, there is a lot to learn, and you have obviously helped a lot of people!