I've been in one bedroom houses with 370m^2 floor space, and 4 bedroom houses with 175m^2. Those are outliers but I still have no mental idea of how big a six b

I've been in one bedroom houses with 370m^2 floor space, and 4 bedroom houses with 175m^2. Those are outliers but I still have no mental idea of how big a six bedroom house is, at all. And the fact this is a usable volume makes the whole comparison useless.