What do you mean by small? If you mean small small, you'll probably be better off with a spreadbet company.
Otherwise, probably IB.
They're not UK based, but Velocity futures are good if you've got a small account and want an all-in-one thing. You pay about $4.50 per round trip but you get x-trader, charts, data etc included.
Hello want to start with 1k sterling to trade options trying to find a decent broker like think or swim .....................?
I dont want to get overcharged on commission's and data feed etc