Question 1

How much does it cost to renovate an akiya in Japan?

Accepted Answer

A light refresh runs about ¥30,000–¥60,000 per m², a moderate renovation ¥80,000–¥150,000 per m², and a full renovation ¥150,000–¥250,000 per m². For a typical 100 m² akiya that is roughly ¥3M for a refresh up to ¥25M for a full rebuild inside, before roof, plumbing or earthquake work.

Question 2

Why does the year built matter?

Accepted Answer

Houses permitted before June 1981 were built to Japan's old earthquake standard and often need strengthening, typically ¥1.5M–¥3M for a wooden house. Wooden houses before 2000 may also lack modern joint and foundation rules.

Question 3

Are there subsidies for akiya renovation?

Accepted Answer

Many cities pay part of renovation, earthquake checks and retrofits, or demolition — often ¥500,000–¥1,000,000 or more. Rules usually require applying before work starts, so check the city's akiya bank or housing department first.

Question 4

Is it cheaper to demolish and rebuild?

Accepted Answer

Sometimes, but first confirm the land allows a rebuild. Land on a road that fails the 2 m frontage rule or inside an urbanization control area may not get a new building permit, and demolition can raise land tax up to six times.

Question 5

How accurate is this estimate?

Accepted Answer

It is a planning range from typical Japanese renovation rates, not a quote. Remote locations, snow regions and hidden rot or termite damage can push costs higher. Get at least two local contractor quotes after a site visit.

Moderate (100 m²)	¥8.0M – ¥15.0M
Roof repair or re-roofing	¥1.0M – ¥2.5M
New kitchen, bath and toilet	¥1.5M – ¥3.5M

Akiya Renovation Cost Estimator

Quick answer

Worked example

Frequently asked questions

Related tools and guides

Found a real listing to check?