Published on and written by Cyril Jarnias
Thailand Real Estate Market: New vs. Old
In Thailand, the real estate market offers a fascinating range of choices between new and old properties, each with its own advantages and challenges. Faced with rapid urbanization and evolving buyer preferences, understanding the key differences in terms of costs, location, and appreciation potential is crucial for making an informed decision.
Good to know:
New properties in Thailand often benefit from builder warranties and modern amenities, while older properties offer prime downtown locations.
While new properties attract with their modernity and often state-of-the-art facilities, older buildings appeal for their unique charm and often more advantageous central locations.
A Captivating Statistical Match
This article presents a captivating statistical match between these two options, revealing the financial and cultural aspects that influence buyers seeking the best investment in this dynamic country.
Cost/Benefit Analysis of New and Old Real Estate in Thailand
| Cost Type | New Real Estate | Old Real Estate |
| Purchase Price (2025 average) | Bangkok: 160,000 ฿/m² (€4,000/m²) Phuket: 125,000 ฿/m² (€3,125/m²) Chiang Mai: 90,000 ฿/m² (€2,250/m²) Koh Samui: 82,000 ฿/m² (€2,050/m²) | Generally 10-30% cheaper per m² depending on location and condition; possibility for further negotiation, especially on properties requiring renovation. |
| Transfer Fees | 2% of estimated property value (often shared) | 2% of estimated property value (often shared) |
| Stamp Duty | 0.5% | 0.5% |
| Specific Business Tax (SBT) | 3.3% if resold by seller within 5 years | 3.3% if resold by seller within 5 years |
| Notary/Lawyer Fees | 1-2% of sale price depending on provider | 1-2% of sale price depending on provider |
| Immediate Work & Maintenance | Low: builder warranty (1-5 years depending on developer), new equipment, new common areas | Often high: renovation (air conditioning, plumbing, painting), electrical upgrades, sometimes equipment replacement (elevator, roofing, etc.) |
| Condominium Fees | Often higher (services, security, pool, gym) | Sometimes lower, but heavily dependent on overall condition and management |
| Taxation and Benefits | Sometimes temporary exemption from certain fees for new properties; better energy standards (reduced operating costs) | Fewer tax benefits, but potential for renovation tax deductions (subject to local conditions) |
| Long-term Appreciation | Potential for more significant growth in developing areas or well-located new projects; increased rental demand | Appreciation depends on location, renovation potential, and scarcity; some older neighborhoods highly sought after by expatriates or local families |
| Rental Yield | 3-5% per year in popular Bangkok neighborhoods (e.g., Phromphong, Thonglor) | Sometimes higher if purchased at discount and successfully renovated; but possible rental vacancy if outdated |
List of Main Purchase Costs:
- Acquisition price (highly variable depending on new/old and location)
- Transfer fees (2%)
- Stamp duty (0.5%)
- SBT (3.3% if applicable)
- Legal and notary fees (1-2%)
- Real estate agency fees (borne by seller or buyer depending on contract)
Maintenance and Renovation:
New Real Estate:
- Builder warranty (1-5 years)
- No major work anticipated
- Higher condominium fees but premium services
Old Real Estate:
- Frequent renovation work (equipment upgrades, plumbing, electrical)
- Potential for remodeling to increase value
- Sometimes lower fees but risk of unexpected repairs
Recent Data on Price Trends:
The Thai real estate index reached a record 160 points in April 2025 (vs. 98 in 2011), with a forecast of 163-166 points by 2027.
Price per m² has increased over the decade, but growth rate is moderate (2-3% per year expected short-term).
Tourist areas like Phuket and Koh Samui show prices per m² of €1,800-€4,500 for apartments and up to €8,000 for luxury villas.
Bangkok remains the most expensive city, but older properties offer larger spaces at competitive prices.
Concrete Example:
Case Study in Bangkok (Phromphong, 2025):
– New purchase: 60 m² at €4,000/m² = €240,000 + 2% transfer fees + 1.5% lawyer fees = approx. €250,000 all inclusive. High annual fees but virtually no work, potential for quick resale and rental yield around 5%.
– Old purchase: 80 m² at €3,000/m² = €240,000 + 2% transfer fees + 1.5% lawyer fees = approx. €250,000 all inclusive. Renovation work estimated at €20,000, but potential for higher appreciation if neighborhood is changing.
Long-term Perspectives:
New: attractive for resale in developing neighborhoods and for foreign rental clientele. Fewer unexpected costs short-term, but higher entry price.
Old: ideal for investors willing to renovate, with potential for capital gains upon resale after property improvement and neighborhood appreciation.
Taxation: no major tax advantages for foreigners, but some developers offer temporary reductions on acquisition fees for new properties.
Key Takeaways:
– New real estate in Thailand offers more security and fewer surprises, at the cost of a higher initial price and higher fees.
– Old properties allow for operations with higher potential returns, but require careful management of renovation and vacancy risks.
Good to know:
In Thailand, new real estate acquisition costs often include reduced registration taxes of 1% of the property price and notary fees of approximately 0.5%, while older properties may include additional renovation fees, often necessary due to wear; for example, annual maintenance costs for an old apartment in Bangkok can reach 10% of its value. New projects offer modern infrastructure with few initial repairs, although they impose a higher purchase price, about 20% more than old properties, but sometimes benefit from partial tax exemption. A new apartment in Chiang Mai, for example, represents potentially higher resale value of 15% over five years due to appreciation of new urban infrastructure. In terms of price trends, Bangkok is experiencing a 3% annual increase, offering new buyers an encouraging long-term appreciation perspective.
Advantages of New Real Estate in Thailand
Tax Benefits for Buying New Real Estate in Thailand
- Elimination of double taxation through bilateral tax treaties (France, Belgium), allowing foreign investors not to declare rental income or capital gains in France.
- Reduced local taxes: property tax (“Land and Building Tax”) ranges from 0.02% to 0.1% for primary residences under 50 million THB (approximately €1.3 million), with possible exemption below this threshold. For undeveloped land, the rate can reach up to 1.2%, thus encouraging real estate development.
- No property tax on assets below a certain amount and inheritance taxes applied only above a high threshold.
- Limited capital gains tax: maximum 20% if resold within five years; exemption after five years.
Modern Standards and Energy Optimization
New developments are designed according to international standards: enhanced thermal insulation, use of sustainable materials, and electrical systems compliant with current standards.
Energy optimization through systematic integration of low-consumption appliances and smart resource management.
Recent Infrastructure Enhancing Residential Comfort
New real estate properties typically include:
- Landscaped green spaces
- Communal swimming pools
- Sports facilities (equipped gyms)
- Sophisticated security systems (video surveillance, badge-controlled access)
These amenities significantly contribute to residents’ daily well-being.
Strategic Location of New Real Estate Projects
Often positioned in:
- Emerging neighborhoods close to downtown or economic hubs
- Areas benefiting from rapid urban development: new roads, improved public transport
- Immediate proximity to recent shopping centers and international schools
| Type of Advantage | New Real Estate | Old Real Estate |
|---|---|---|
| Taxation | Double taxation exemption; reduced property tax rates; possible exemption depending on value | Sometimes less advantageous rates; variable taxation depending on property condition |
| Construction Standards | Latest energy and safety standards | Risk of obsolescence; outdated standards |
| Infrastructure | Modern common areas; new installations | Aging infrastructure |
| Location | Dynamic or booming neighborhoods | Sometimes less strategic locations |
| Developer Guarantees | Ten-year structural warranty | Little or no structural guarantee |
Recent Statistics on New vs. Old Appreciation
According to several local studies:
The average annual appreciation for a new apartment in a major Thai city ranges between 5% and 8%, compared to 2% to 4% for an equivalent old property. The average price per m² in new properties consistently shows higher growth during the first three years after delivery.
Guarantees Offered by Real Estate Developers
Main advantages include:
- Ten-year warranty covering all hidden defects related to main structure
- Three-year warranty generally applicable to technical equipment
These protections are absent when purchasing older properties where only a few elements may be covered occasionally.
Quick Resale & Attractive Rental Yield
- New properties often sell faster due to their technical appeal (modern standards) and strategic geographic location.
- Observed net annual rental yield can reach 6% – 10%, higher than average performance seen in older properties.
Comparative List — Common Limitations in Old Real Estate:
- High unexpected costs related to necessary renovations
- Total or partial absence of modern common areas
- Low energy efficiency leading to increased ongoing charges
- Complex legal process regarding transfer or renovation
New real estate investment in Thailand combines substantial tax benefits, certified modern quality through developer guarantees, and strong financial potential both in appreciation and rental yield — many arguments often lacking in older properties.
Good to know:
In Thailand, investing in new real estate offers several remarkable advantages, including attractive tax incentives such as tax reductions and subsidies that make purchasing new properties particularly advantageous. New constructions adhere to modern standards, ensuring better construction quality and energy efficiency. Integrated infrastructure, such as sports facilities, green spaces, pools, and sophisticated security systems, provide residents with superior living comfort. Strategically located, these new constructions often benefit from surrounding urban developments. According to recent statistics, the value of new properties appreciates faster than that of old ones. Moreover, the guarantees offered, such as ten-year warranties, provide protection that old real estate cannot always offer, while facilitating quicker resale and attractive rental yield. These advantages, compared to the limitations of old real estate, highlight the relevance of investing in new properties in Thailand.
Comparison of Builder Guarantees in Thailand
Comparison of Builder Guarantees in Thailand: New vs. Old Real Estate
| Criteria | New Real Estate (Developer) | Old Real Estate (Resale) |
| Types of Guarantees | Builder warranty (structure, equipment, hidden defects) | Absence of builder guarantees; limited recourse |
| Typical Duration | 1 to 5 years depending on developer and guarantee type | Generally none; sometimes 1 year for certain defects |
| Hidden Defects Protection | Yes, if included in contract or specific law | Limited to seller’s civil liability, difficult to prove |
| Structural Damage | Structural warranty (often 5 years for major work) | No specific coverage, unless insurance purchased |
| Manufacturing Defects | Parts and equipment warranty (typically 1-2 years) | Not covered, except by contractual agreement or specific insurance |
| Developer Influence | Reputation and financial strength influence quality and duration of guarantees | Not applicable, depends on property age and condition |
Types of Guarantees Offered for New Real Estate:
- Structural Warranty: covers major damage affecting building stability (foundations, load-bearing walls, roofing). Common duration: 5 years.
- Equipment Warranty: concerns electrical, sanitary, air conditioning installations. Usual duration: 1-2 years.
- Hidden Defects Warranty: some developers include contractual coverage for defects not apparent at delivery, but this guarantee is not systematic nor regulated by specific law as in France.
Factors Influencing Guarantee Duration and Scope:
- Construction Quality: high-end projects often benefit from longer guarantees and more protective clauses.
- Developer Reputation: major international developers offer stronger guarantees (up to 10 years for some luxury projects).
- Insurance Purchased by Developer: some include construction insurance policies, but this is not a legal requirement in Thailand.
Old Real Estate:
During resale, there is generally no builder guarantee transferred to the buyer.
The purchaser can only take action against the seller in case of proven fraud or demonstrated hidden defect, which is rare and difficult to enforce in Thai courts.
Defects discovered after sale are the buyer’s responsibility, unless a specific clause was negotiated at the time of transaction.
Concrete Examples and Data:
A reputable developer in Bangkok offers a 5-year structural warranty and 2-year equipment warranty on its new condominiums.
In the old property market, a purchaser of a house in Chiang Mai had to bear the cost of repairing a structural crack discovered 6 months after purchase, due to lack of remaining builder guarantee.
Regulatory Evolution:
Thailand does not have a regime equivalent to the French ten-year guarantee. However, some recent regulations encourage developers to offer more formal contractual guarantees, particularly in major urban projects.
Since 2022, condominium sale contracts must specify the duration and nature of guarantees offered, strengthening transparency for buyers.
Insurance requirements (fire, damage, civil liability) are systematized for condominiums, but only partially protect against construction defects.
Key Takeaways:
- New real estate in Thailand offers variable contractual guarantees depending on developer, project quality, and property type.
- Old real estate offers no systematic guarantees after sale; buyer must conduct thorough due diligence before acquisition.
- Recourse for hidden defects or structural damage is limited and difficult to enforce outside of new properties or without specific insurance.
In Thailand, buyer protection relies essentially on developer quality and vigilance during purchase. Guarantees are neither standardized nor mandatory, and old real estate exposes buyers to increased risk in case of undetected defects.
Good to know:
In Thailand, real estate developers generally offer builder guarantees for new properties that cover manufacturing defects for a period of one to three years, as well as structural guarantees that can extend up to ten years, depending on construction quality and developer reputation. In contrast, old properties do not offer these formal protections, leaving buyers to rely on their own inspections to detect hidden defects. For example, a new apartment in Bangkok might include a one-year warranty on finishes and a five-year structural warranty, while a building from the 1980s would offer no equivalent protection. Recent Thai legislation has strengthened developer obligations towards buyers, requiring more comprehensive guarantees and more rigorous inspections before delivery of new properties, illustrating a favorable trend for investors in new real estate.
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Cyril Jarnias is an independent expert in international wealth management with over 20 years of experience. As an expatriate himself, he is dedicated to helping individuals and business leaders build, protect, and pass on their wealth with complete peace of mind.
On his website, cyriljarnias.com, he shares his expertise on international real estate, offshore company formation, and expatriation.
Thanks to his expertise, he offers sound advice to optimize his clients' wealth management. Cyril Jarnias is also recognized for his appearances in many prestigious media outlets such as BFM Business, les Français de l’étranger, Le Figaro, Les Echos, and Mieux vivre votre argent, where he shares his knowledge and know-how in wealth management.
