Ianto blinked, raising an eyebrow. "Our house? I'm sorry, ma'am, but I don't know you. As for this place? It's nowhere and nowhen, from what the best all of us can determine. A pocket dimension outside of space and time, which randomly pulls in individuals from various dimensions, and equally as randomly returns them to the place and time they arrived, most with no memory of having been here."
He followed her gaze to the Jack sitting in one of the shadowed corners. "And this particular building appears to project various places, all of them indoor, dependent upon the individual viewing it, and what they are expecting to see. As near as I can determine without seeing the actual programming."