Traditional Persian (and probably other) middle class households are a Roman courtyard of connected rooms and shared facilities around a pool. There's a strong

Traditional Persian (and probably other) middle class households are a Roman courtyard of connected rooms and shared facilities around a pool. There's a strong matrilinial hierarchy of who has the "best" rooms and I've read it's a grind for the junior family, but it's a combination of shared space and private space and in the context of a future where kids simply can't afford to buy, being able to move into a suite of rooms tacked onto the expanding family "domus" doesn't sound the worst choice.