If you cover the building in the ground, you can now technological means to introduce light and air per household, per room, can greatly reduce the pressure on housing and traffic pressure in big cities, and do not install air conditioning, if an earthquake is more secure than the surface buildings, the main to rent the main building on the ground can be a mall or office building.
Or some of the more advanced call movable work room, of course, in the ground, to set aside a fixed position each room, each room of the house by way of the presence of the container and can be moved, if you change jobs directly to the house you move to the workplace following placeholder.
Such underground housing prices can be very low, this can increase consumption. Window then you can use a large TV.
I can not think of such housing there any disadvantages. No one in the online search to do such a thing. It should be implemented, then there are many practical problems to be solved, but should be able to get.