Getting the stairs in means we can progress more easily with the rest of the work.
Most of the major structural work has been done now, but it's still just a shell - there'll be a few more work days to come before we can call this an office space. And then, finally, we can stick the photocopier up there. I bet a certain person who's been living with it in his bedroom all this time will be chuffed when that finally happens.
