I guess I always imagined (prior to this) like the second floor was built into the roof/attic. This one looks like there's more than two or three bedrooms up there. Possibly servant/farmhand quarters.

CLARK: No. I'm just worried I'm a jinx.
JONATHAN: A jinx?
CLARK: Yeah. Let's face it, ever since she's known me, Lois's been kidnapped, frozen, pushed off buildings, almost stabbed, poisoned, buried alive and who knows what else, and it's all because of me.
-"Contact" (You're not her jinx, you're her blessing.)