Fun Fact: Per the International Residential Code, the minimum size of a "habitable room" (aside from a kitchen) is seven feet in any horizontal direction and not smaller than 70 square feet.  Photo 1 of 6 in An Introduction to Building Codes

An Introduction to Building Codes

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Fun Fact: Per the International Residential Code, the minimum size of a "habitable room" (aside from a kitchen) is seven feet in any horizontal direction and not smaller than 70 square feet.