[ So what he's gathering from this is that his entire house is here in the prison. As absurd as that seems, he supposes it's at least worth a look. And if that really is the case, conditions have improved by quite a lot just now. ]
In that case, I would like to see it for myself. You are welcome to join me.
[ He isn't oblivious to Alois' sudden sullenness, but he certainly doesn't address it. Ciel isn't particularly adept at dealing with other people's emotions. But at least he's speaking cordially, rather than brusquely or dismissively, when he offers. ]