No, it isn't real, but it is spectacular. The Cliff House is modular home company Modscape's theoretical design for "extreme parcels of coastal land in Australia."
Inspired by the way barnacles cling to the hull of a ship, a concept was developed for a modular home to hang off the side of a cliff as opposed to sitting on top of it. The home is visualised as a natural extension of the cliff face rather than an addition to the landscape, creating an absolute connection with the ocean. As the design itself would make conventional construction prohibitive, the concept utilises Modscape's modular design and prefabrication technologies to deliver a series of stacked modules that are anchored into the cliff face using engineered steel pins. Entry to the home is through a carport on the top floor, where a lift vertically connects the user through each of the descending living spaces.