For years we have been writing about the future of Japan’s condominiums, which is dire. Though condos continue to sell relatively well in Japan, especially in Tokyo where prices for new ones continue to break records, evidence is ever mounting that the life spans of the buildings themselves are more limited than most people previously thought, if, in fact, they thought of it at all. And while much of this problem is demographic in nature—Japan’s declining population is certainly a factor—the real culprit is everyday economics. The cost of maintaining the buildings so that they will be attractive to future buyers is usually too much for the people who do buy them, and so they aren’t kept up.

Now the Japanese media is finally coming around to this realization in a concerted way, as exemplified by the Japan Times, for which we once wrote a monthly housing column, running a feature about the difficulties being faced by condo owners as their properties slowly fall apart. Soon, they will be abandoned in increasing numbers, just like millions of single-family houses throughout Japan. However, the best coverage of this phenomenon we’ve seen so far was a multi-part series in the Asahi Shimbun about “shukatsu mansion,” with “mansion” being the foreign loan word used for condominiums as promoted by the real estate industry, and “shukatsu” an in-vogue word at the moment representing the increasingly valid idea of the importance of end-of-life planning. In other words, owners of older condominiums are facing the fact that they will be the last owners of their units, because not only will no one want to buy them, but they may not even be inhabitable. 

The Asahi refers to these condos as “time bombs,” and while most are forty years old, a few are newer. One article focuses on a 19-unit, 30-year-old building in Kawasaki that’s a 15-minute walk from a station on the Odakyu Line. The design is terrace-style, which was popular in the 1990s and costs more to maintain and repair than conventional apartment buildings. The original buyers carried out large-scale repair work using funds from their saved shuzenhi (repair fee) contributions in the past, and the present owners say they need to do it again. One member of the homeowners association (HOA) told Asahi that they are thinking of “rebuilding” the whole thing, meaning they would tear down the present building and then construct a new one, hopefully with extra units whose sale can offset some of the rebuilding cost for present owners. However, when they hired a consultant to estimate how much such a rebuilding would cost each owner, they were shocked with the answer: ¥47.4 million. The average age of the present owners is somewhere in the 60s, meaning many are living on fixed incomes, which would make it not only impractical to spend that kind of money but impossible. The main problem is the capacity rate, meaning the amount of condo floor area that can be built in relation to the amount of land the building occupies. When the condo was originally built, it took up the maximum capacity allowed, and the local government has not changed regulations since then (many other local governments have done so in recent years in order to attract more developers). So they can’t add new units to a new building unless they reduce the floor area of all the new units.

Another problem is the 15-minute walk to the station, which in today’s market is considered far. It will become increasingly difficult to sell any of the units to someone who still needs to commute to Tokyo, unless they price the units much lower than what it would cost to build them. Consequently, it will be difficult to get a developer involved in the rebuilding, since there wouldn’t be much profit in it for them. 

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