Is there a rule of only one bin per household? I thought it was just that they'd only take stuff if it was in a wheelybin and didn't mind if you had more than one.

Really? If so I confess I can't see the point of such a rule; I'd assumed the point was so that they could guarantee that by the time they got to the end of their round they'd still have room in the lorry.

It's a health and safety thing: if stuff isn't in a wheelybin they'd have to lift it into the van, which isn't designed for it. They use a different sort of van on the rounds where they pick up bin bags (there are some places where people haven't room for a wheelybin). I've always wondered why they can't empty the bin, lift the rest into the now-empty bin and then empty it again. But you might be right, I just don't know of a rule which says only one bin per household.

I'd go poke around the council's webpages and check but I seem to be a complete lack of arsedness today.