400,000 Unsold Condos Expose a Deep Crisis in Thailand’s Property Market

Thailand’s real estate market has hit a three-decade low
The real estate market in Thailand is in a serious downturn, and the raw numbers make that plain. About 400,000 unsold condominium units have piled up nationwide, with roughly 220,000 of those in Bangkok. That glut has pushed many developers into defensive mode, halted new launches and left banks and bondholders nervous. In our analysis below we unpack what has happened, who is most exposed, where pockets of demand still exist and what buyers and investors should do next.
A backlog of 400,000 unsold units: how bad is it?
The single headline that keeps surfacing in reporting and industry briefings is 400,000 unsold condos across Thailand. That figure, cited by Dr Sopon Pornchokchai, President of the Thai Real Estate Information Center at the Agency of Real Estate Affairs (AREA), is more than a statistic. It is a balance-sheet problem for developers:
- Unsold inventory carries ongoing carrying costs: maintenance, marketing, taxes and loan interest.
- Developers with stalled sales still face scheduled bond repayments and bank loans.
- Some publicly listed firms are already described as "zombie companies" in media interviews, struggling to service debt.
The geographic concentration matters. About 220,000 unsold units are in Bangkok, where developers had previously relied on steady pre-sales and resale demand. That market concentration raises the risk that urban condo prices will underperform national averages for years, especially if new launches remain low and absorption is slow.
Why demand evaporated: interest rates, household debt and tighter lending
The macro drivers are clear and interlinked. During the low-rate years developers expanded rapidly, assuming steady demand and cheap finance. The Bank of Thailand’s fast rate normalisation shattered those assumptions. Key facts include:
- Policy rate rose from 0.5% to 2.5% within a year.
- Household debt reached 88.2% of GDP in Q1 2025, one of the highest ratios in Asia.
- Lenders have tightened criteria and the average housing loan rejection rate has climbed to about 40%, especially for lower-priced projects.
Higher policy rates translated into higher mortgage rates. For buyers the result is twofold: monthly payments rose and lenders became pickier. That combination hit the mass-market hardest. When banks reject 40% of applicants, many buyers are simply excluded from the market. Developers who depended on pre-sales to fund construction now face stalled cashflow and increased refinancing risk.
I find the pace of the policy shift striking. Developers and households assumed a continuation of the prior era’s cheap credit. When that assumption failed, leverage became the main vulnerability. The market reaction—fewer launches, falling sales velocity, and rising unsold stock—is what we expected once credit conditions tightened swiftly.
Supply collapse: developers pause launches and forecasts show a shrinking pipeline
CBRE data captures the supply shock. In the first nine months of 2025, Bangkok saw only 13,700 new condominium launches, compared with an average of around 52,000 units per year from 2014 to 2024. That is not a small dip; it is a structural shift in the launch pipeline.
CBRE’s supply forecast projects further declines:
- Below 40,000 new condo units in Bangkok in 2026.
- Around 20,000 units in 2027.
- After that, supply could stabilise at roughly 10,000 units per year for a period.
Those projected levels are abnormally low for a Southeast Asian capital of Bangkok’s size. Developers are pausing projects to avoid deepening losses and to reduce liquidity risks. From an investor’s perspective, the slowdown in supply is not equivalent to an imminent recovery. It is a sign that the industry is retrenching while unsold inventory is absorbed very slowly.
Winners and losers: segments and regions that are holding up
The downturn is not uniform. It is concentrated and selective.
Losers
- The mass-market segment (units priced below 3 million THB) in peripheral Bangkok suburbs has been hardest hit. Low prices do not guarantee sales when buyers cannot secure loans.
- Projects relying on short-term speculative buyers or weak presales exposure face elevated default and refinancing risk.
Relative winners
- Prime central locations in Bangkok close to mass transit, hospitals and universities continue to see some sales.
The stock market has reflected this split. The Thai Stock Exchange’s real estate and construction index fell more than 42% from its peak in early 2023. Yet industrial-focused names and certain central Bangkok developers have shown relative resilience.
What this means for buyers, investors and expats
This is where practical guidance matters. We have three categories of market participants—owner-occupiers, buy-to-let investors and property speculators—and each should think differently.
Owner-occupiers
- If you need housing, the buyer’s market has a benefit: more negotiating power and better incentives from developers trying to clear stock.
- Financing is tighter. Expect a higher rejection risk and stricter income documentation. The 40% loan rejection figure is a real constraint. Plan for larger down payments or to rely on approved second-hand properties, which are often easier to finance.
Buy-to-let investors
- Yields in prime Bangkok and tourist markets can still be attractive, but rental demand varies by location. Focus on properties with clear rental catchment—near transport nodes, hospitals and university districts—or in tourist islands where short-term rental demand remains visible.
- Check the developer’s balance sheet and unsold inventory. High inventory signals future discounting and resale pressure.
Speculators and flippers
- The environment is unfavourable. Expect slower price appreciation and higher holding costs.
- Developers may cut prices to clear inventory, but timing that correction is risky. For most speculators the better play is to wait for clearer signs of mortgage loosening and improving GDP growth.
For expats specifically
- Mortgage access for foreigners in Thailand is already limited compared with many Western countries. The tighter bank lending standards mean even fewer options. If you plan to buy, organise financing approvals before committing and consider the second-hand market.
Due diligence checklist for any investor or buyer
- Review the developer’s unsold inventory and presales-to-completion ratio.
- Check recent price trends and transaction volumes in the micro-market (street or precinct), not just citywide averages.
- Verify expected rental yields using conservative occupancy and rent assumptions.
- Confirm tax and ownership rules for foreigners, and budget for property holding costs if the unit remains empty.
Policy options, market risks and recovery timeline
Market experts and AREA officials offer a shortlist of measures that could help stabilise the sector:
- Lower interest rates to reduce mortgage costs and improve borrower affordability.
- Introduce property tax reforms or vacant property levies to encourage better use of completed units.
- Increase infrastructure investment to stimulate demand in linked precincts.
- Implement measures to reduce household debt burdens or to restructure problem loans.
Those are sensible options, but none are quick fixes. The IMF forecasts Thailand’s GDP growth at 1.6% in 2026, a low-growth environment that does not support a rapid rebound in housing demand. In our view, barring a sharp fall in policy rates or a major fiscal impulse, the market is likely to be in a long absorption phase.
Key risks to monitor
- Continued high household debt that limits new mortgage uptake.
- Developers’ refinancing stress leading to distressed sales and price cascades.
- Political uncertainty, which can delay reforms and infrastructure projects that support demand.
Countervailing forces
- Strong FDI into industrial and logistics real estate may provide a regional demand buffer, especially around the EEC and specific export-linked municipalities.
- Tourism recovery and foreign buyer interest in islands and coastal resorts can sustain selected local markets.
How investors should position themselves now
We are not advising blind buying or blanket selling. Instead, adopt a selective, defensive posture:
- Prioritise property with strong locational fundamentals: transit access, near hospitals or universities, or in established tourist hubs.
- Consider industrial/logistics exposure via REITs or specialised funds if you seek indirect access to the EEC upside.
- Use the second-hand market for lower financing friction and clearer rental histories.
- Insist on transparency: request developer financials, unsold inventory data and presales figures before committing large deposits.
- Be patient. Expect a multi-year absorption period and build time horizons of at least three to five years for most investments.
Bottom line: an adjustment that could take years
Thailand’s property sector is tackling a major correction driven by a sudden rise in rates, high household leverage (88.2% of GDP) and tightened mortgage underwriting. 400,000 unsold condos nationwide is not a temporary hiccup; it is structural inventory that will take time and policy action to digest. Some pockets—prime Bangkok locations, tourist islands and industrial property linked to FDI—provide selective opportunities, but the broad market faces a slow era of consolidation.
We expect continued weak volume and price pressure in the mass-market segment until either interest rates fall significantly or household balance sheets improve. For buyers and investors that means being selective, performing rigorous due diligence and preparing for longer hold periods.
Frequently Asked Questions
Q: How long will it take for the Thai property market to recover?
A: Most experts quoted by industry sources say recovery is unlikely within 2–3 years given current conditions. With the IMF forecasting 1.6% GDP growth in 2026 and high household debt, the market may require several more years for unsold inventory to be absorbed.
Q: Are Bangkok condos still a good investment?
A: It depends on location and price segment. Central Bangkok units near mass transit, hospitals or universities show more resilience. Peripheral, mass-market condos priced below 3 million THB are the most vulnerable.
Q: Is the industrial and logistics sector a safer play?
A: The industrial/logistics sector has outperformed residential in 2025 thanks to strong FDI and export demand. If you want exposure, consider industrial REITs or specialised funds rather than directly buying land or warehouses without local management expertise.
Q: What practical steps should a foreign buyer take in this market?
A: Get pre-approval for financing where possible, prioritise second-hand properties for clearer financing paths, verify ownership and tax implications for foreigners and insist on full disclosure of developer inventory and financial health.
End note: the market has entered a period of inventory absorption and financial strain; 400,000 unsold condominiums is the immediate challenge, and policy moves, household deleveraging and FDI flows will determine how fast the sector heals.
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We will find property in Thailand for you
- 🔸 Reliable new buildings and ready-made apartments
- 🔸 Without commissions and intermediaries
- 🔸 Online display and remote transaction
International Real Estate Consultant
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