Legal advice for Web developer
hga: I don't know UK law, but passing a bad check is certainly illegal in the US and would give you immense leverage against him, at least to prevent the lawsuit.  But I'm pretty sure you have to be careful in using that (i.e. talk to a solicitor before making any threats WRT to criminal prosecution).On the other hand, if he can't afford to pay you, how could he possibly afford the costs of a lawsuit, especially in a loser pays jurisdiction?(We in the US quaintly call this the British Rule, but it's really the Rest of the World Rule.)