Okay, I resolved the problem. Apparently it is because at the end of my row groupings I had inserted a row grouping that didn't really group on anything, but...

Does anyone have any thoughts on this? Please? Feeling desparate here. Thanks.

It seems that despite making the list object 11x8.5 and checking the box to create a page break after the list item, it just takes a whole lot of tweaking...

Thanks for getting back to me - I've been swamped and haven't had time to investigate this further, but I will post again when I have more.

It looks like I just needed to change the page size in Reporting Services (in Report Properties>Layout) and then do lots of trial and error with margins and on the...