11 Reasons Why Newer Homes in Japan Are the Smarter Buy

There’s a lot of hype around buying old houses in Japan, especially akiya. I’ve bought one. I’ve renovated one. I work with people trying to figure out if it’s worth doing. The honest answer is: usually not.

If you’re looking for something livable, financeable, and lower risk, a newer house almost always makes more sense.

Here’s why.

1. Earthquake Safety

Japan updated its building code in 1981. Anything built before that is considered kyu-taishin, which means it does not meet modern seismic standards.

A lot of buyers don’t check this. They assume if the house is still standing, it’s fine. That’s not how it works. Unless the structure has been reinforced or rebuilt, it may not survive a serious quake.

However, there are many older buildings still going strong after years of earthquakes and there are methods to update properties. It just comes with some additional cost in building works.

2. Heating, Insulation, and Moisture

Older houses are usually uninsulated. You get cold floors, hollow walls, and single-pane windows. Heating bills in winter will be much higher as heat is not retained and space cools quickly when heating is switched off. Some homes have bare soil under the floor, which leads to mold and pest issues.

Newer builds have double glazing, basic insulation, and better air sealing. It’s not luxury. It’s the difference between living comfortably and not.

3. Financing and Insurance

If the house is over 30 years old, made of timber, or has no renovation records, most banks won’t lend. Insurance can be difficult to get unless you submit recent structural surveys. Even then, premiums may be higher.

This becomes your problem again when you go to sell. Fewer buyers qualify, and your exit options shrink.

4. What's Behind the Walls

I’ve opened up enough walls and floors to know what’s in there. Old plumbing, galvanized steel pipes, outdated wiring, rotten beams, soil floors with no vapor barrier, insect nests.

None of this is visible during a casual viewing. If the house hasn’t been stripped back in the last few years, you should assume it needs work.

5. Land Has Value, Houses Often Don’t

In Japan, most houses are treated as disposable. After 20 to 30 years, they’re written off. Unless it’s fully renovated or custom built, the structure usually has zero resale value. This is why you’ll often see “land value only” in the listing.

With a newer home, some value still remains in the structure. You’re not throwing away everything if you decide to sell.

6. Ownership and Legal Headaches

Many akiya come with title issues. The registered owner may be deceased. Heirs may not have transferred ownership. In some cases, the land and building are owned separately. Other times the house was built illegally across boundary lines, or on land without road access.

Sorting this out is time-consuming and can kill a deal. With newer homes, ownership is usually clean. One seller, current records, and no inheritance complications.

7. Zoning and Rebuilding Restrictions

People assume they can knock down an old house and rebuild. Not always true. In some rural towns, if the property doesn’t have proper road access or meet zoning requirements, rebuilding is prohibited. Some older homes were only allowed because they were grandfathered in decades ago.

Newer properties, especially in subdivisions or urban areas, come with defined building rights. You know what you’re allowed to do before you sign anything.

8. Utility Connections and Infrastructure

Old houses might not be on city sewer. Some use outdated septic tanks that need replacing. Power supply can be undersized. Water pressure might be weak or rely on old steel lines that corrode.

Newer homes are built to current code with modern utilities already in place. You’re not paying to rip everything out and start again.

9. Community Profiling and Local Resistance

In rural areas, especially with older homes, deals sometimes depend on local approval. I’ve seen buyers rejected because they didn’t match what the neighborhood committee was looking for. Some towns don’t want investors, single people, or foreigners. Some sellers only want to sell to families.

This doesn’t happen with new houses listed by developers or agencies. It’s a transaction. No approval process, no informal gatekeeping.

10. Taxes and Ongoing Costs

Older homes can come with lower fixed asset tax, but newer homes often qualify for temporary tax relief. More importantly, older homes come with unexpected costs — pest control, insulation upgrades, septic replacements, plumbing, and electrical work. That ¥1 million house could easily become ¥10 million.

New homes might cost more upfront, but ongoing maintenance is predictable and lower in the early years.

11. Resale and Exit Strategy

If you're buying a rural akiya, there’s often no resale market unless it’s a unique property or location. Most domestic buyers are end-users. If they don’t want a project, you’ll sit on it. You can’t just list it on a major site and expect offers. The market becomes more focused on a smaller pool which is the international market.

Newer homes are easier to resell. You can work with agents, target expats, or even rent it out. It gives you more flexibility if your plans change.

What You’re Actually Buying

When you buy a newer house in Japan, you’re not just buying a better structure. You’re buying:

  • Clean ownership records

  • Safe seismic standards

  • Proper zoning rights

  • Updated infrastructure

  • A property that banks and insurers will actually support

  • A way out if you want to sell

With an old house, you're buying more than a renovation project. You're inheriting decades of physical, legal, and bureaucratic issues. If that excites you, fair enough. But it shouldn't be a casual decision.

If you're looking for something that works, newer is usually the smarter option.

Need Help?

I offer one-on-one consulting for people looking to buy property in Japan. I can help you avoid expensive mistakes, pitfalls and make sense of the process.

BOOK A SESSION

I also created a Top Locations Map for buying property in Japan that includes factors that matter when choosing a vacation home or future investment.

EXPLORE THE MAP

Matt

Travel inspiration, itineraries, and insight

https://mattguy.squarespace.com/
Next
Next

Beyond the Cherry Blossoms: Discovering Japan’s Secret Spring Escapes