Don't really see your point about a full house. Surely the size of the 'house' will dictate when it's full? A bungalow will be a full house sooner than a mansion?
I also don't see how leaguie position is linked to high attendances. We were top of the Conference for nearly 5 months, but never drew in enormous crowds.
I do agree, however, that a roof is essential. I firmly believe that cover and shelter would have a positive impact on Winter attendances.