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When Is the Best Time to Buy a Used Condo? How Prices Work and How to Judge Timing

An explanation of how used condo prices are determined to help identify the right time to buy. Covers the impact of building age, location, the economy, and interest rates for both investors and owner-occupiers.

Last updated: About 2 min read

Prices for pre-owned condominiums are not fixed; they fluctuate based on multiple factors. Understanding the mechanism behind price formation is the first step in identifying the right time to buy. In this article, we explain how to analyze pre-owned condominium prices and think about purchase timing in a way that is useful for both investors and owner-occupiers.

How are prices for pre-owned condominiums determined?

To judge the right time to buy, you first need to understand how the asking price is formed. Prices for pre-owned condominiums are mainly determined by three elements: the "sales comparison approach," "building age and location," and the "economic climate."

Price formation through the sales comparison approach

What real estate companies refer to during valuation is transaction data from roughly the past year. Comparable cases within the same condominium building are given priority, and if none exist, pricing is calculated using properties with similar building age, size, floor plan, floor level, and distance to the nearest station. Even when there are pricing differences between real estate companies, large discrepancies are generally unlikely to occur.

How building age and location affect price

Asset value declines as a building gets older. As a general rule, a 10-year-old property is priced at around 80% of a property that is five years old or newer, and at 20 years the price typically falls to about 42%. At the same time, location is the most important factor in limiting value decline. Areas close to stations and well served by retail facilities, schools, and hospitals tend to maintain demand, making prices easier to sustain.

Economic conditions and interest rates shape prices

During economic downturns, purchase appetite tends to weaken and prices are more likely to fall, while prices rise during expansionary periods. From an investment perspective, a downturn can be a "chance to buy at a lower price," but that judgment must be balanced against employment and income risks. In addition, because mortgage interest rates directly affect the total repayment amount, monitoring rate trends is also an important part of deciding when to buy.

When is the right time to buy a pre-owned condominium?

The principle that "the right time to buy is when you want to buy" is valid, but here we explain a framework for making a more rational decision.

The relationship between interest rates and actual burden

For mortgage users, interest rates have a major impact on the total repayment amount. When rates are rising, buying earlier is often advantageous, whereas purchasing after rates increase can leave you paying more. It is important to make that decision only after confirming the current rate environment and future outlook with a professional.

Pay attention to changes in the real estate market

By understanding external factors that move the market, such as major events, redevelopment, and inbound demand, you can improve the accuracy of identifying price peaks and bottoms. Because prices tend to fall when the number of listings increases, continuously watching market trends is effective.

Set priorities for building age and location

If you focus only on "buying cheaply," a poor location or renovation costs may become a heavy burden later. It is important to judge based on the "effective acquisition cost," which factors in the renovation expenses required, especially for older properties.

Frequently Asked Questions (FAQ)

How much do prices for pre-owned condominiums fall?

As a general rule, they fall to around 80% of the new-build price after 10 years and to about 42% after 20 years. However, properties in good locations tend to see smaller declines.

How important are interest rates when buying a pre-owned condominium?

They are extremely important. Even a 0.5% difference in interest rates can create a gap of several million yen in total repayment over a 35-year loan. Purchase timing should therefore be considered in light of interest rate trends.

Is it risky to buy a pre-owned condominium during a weak economy?

While prices are more likely to fall, employment and income risks also increase. Please make your decision only after reviewing your financial plan and confirming that mortgage repayment can continue without undue strain.

What is the most important indicator for judging the "right time" to buy a pre-owned condominium?

The three most important indicators are interest rate levels, inventory trends in the market (whether the number of listings is rising or falling), and actual transaction price data for the target area.

Daisuke Inazawa, President & CEO of INA&Associates Inc.

Author

President & CEOINA&Associates Inc.

President & CEO of INA&Associates Inc. Leads real estate brokerage, rental leasing, and property management across Greater Tokyo and the Kansai region. Specialises in income-property investment strategy and advisory for ultra-high-net-worth individuals.

Daisuke Inazawa is the President and CEO of INA&Associates Inc., a Japanese real estate firm headquartered in Osaka with a Tokyo branch. He leads the company's three core businesses — real estate sales brokerage, rental leasing, and property management — across the Greater Tokyo Area and the Kansai region.

His areas of expertise include investment strategy for income-generating real estate, profitability optimisation of rental operations, real estate advisory for ultra-high-net-worth individuals (UHNWIs) and institutional investors, and cross-border real estate investment. He provides data-driven, long-horizon advisory to investors in Japan and overseas.

Under the management philosophy "a company's most important asset is its people," he positions INA&Associates as a "people-investment company" and is committed to sustainable corporate-value creation through talent development. He also writes and speaks publicly on leadership and organisational culture in times of change.

He has passed eleven Japanese professional qualification examinations: Licensed Real Estate Broker (Takken), Certified Real Estate Consulting Master, Licensed Condominium Manager, Licensed Building Management Supervisor, Certified Rental Housing Management Professional, Gyōseishoshi Lawyer (administrative scrivener), Certified Personal Information Protection Officer, Class-A Fire Prevention Manager, Certified Auctioned Real Estate Specialist, Certified Condominium Maintenance Engineer, and Licensed Moneylending Operations Supervisor.

  • Licensed Real Estate Broker (Takken)
  • Certified Real Estate Consulting Master
  • Licensed Condominium Manager
  • Licensed Building Management Supervisor
  • Certified Rental Housing Management Professional
  • Gyōseishoshi Lawyer (Administrative Scrivener)
  • Certified Personal Information Protection Officer
  • Class-A Fire Prevention Manager
  • Certified Auctioned Real Estate Specialist
  • Certified Condominium Maintenance Engineer
  • Licensed Moneylending Operations Supervisor