Little yellow blocks

This is Lees leg in our middle room at the 'other' house.
He's a hands-on-brilliant-so-far-project-manager of project damp-no-more and, in this shot, is on the phone conjuring up a plumber as ours has gone awol.
The floor joists were supposed to be levelled today but apparently the three points to which the floor needs to be aligned are all at drastically different heights. Balls.
Never a dull moment eh?!
8.5 weeks to the big move.