Looking closer (above) at one of the shots from
192.com - that water tower is false isn't it?
It has a fancy looking front, visible from the garden, but nothing behind!
Does that mean the tap is connected to the mains supply, and not re-using rainwater, as suggested by Davina on launch night?
What else, apart from certain housemates, could be false?
Perhaps a closer look at the wall marked 'WET' would reveal that there's more to the house than the eye can see?
Like the part that's inside the building? What other secrets does the house contain... We're tapping on the walls to find out!