Disposition of the property purchased by the households are married couples only, but now the two couples, the size of a certain amount of reality will have to compromise. (The average footprint of about 53m2 home before you buy, so the difference is 20m2 - ie, 3LDK is 69. In fact, households with children than the 12 now living in a spacious living room with tatami, 2002 average footprint of 78.0m2 peak is narrower every year. 80m2 more than four units are purchased. wide enough to house all the children after birth is considered wax. are choosing a property of the dominant family type.s not that). But rising real estate prices, 70m2 occupy about half the units, 2LDK by 14.1 percent (The average footprint of about 75m2, and that is really needed is more). Two households are married couples, however, marginal land is not up, after purchase, the less condensation will occur.