A Cautionary Tale for Foreign Investors A foreign investor bought a luxury riverside penthouse worth hundreds of millions of baht and almost lost 90 million because he misunderstood the word “mortgage” in the contract.
Lawyer Arm warns: Always have a lawyer review your documents before investing in real estate.
When “Not Understanding the Contract” Costs Tens of Millions

In recent years, Thailand’s real estate market has drawn strong attention from international investors especially luxury riverside condominium projects developed by billion-baht companies.
Many foreign investors see these properties as prime assets for long-term rental income or capital appreciation.
However, opportunity always comes with risk.
One of the cases Lawyer Arm handled involved a foreign investor who almost lost 90 million baht simply because he misunderstood a single legal term “Mortgage.”
The Beginning: A Luxury Project Inviting “Foreign Investors”
The story began with a multi-billion-baht riverside condominium project along the Chao Phraya River.
The developer launched an international marketing campaign, assuring investors that the project complied fully with Thai law and allowed foreign ownership up to the legal limit of 49% of the total area.
A foreign investor decided to purchase a penthouse worth around 90 million baht, intending to rent it out.
But he overlooked one critical detail:
The contract clearly stated that “the penthouse unit is mortgaged to the bank for 250,000,000 baht.”
One Word “Mortgage” That Almost Cost 90 Million

When reading the contract, the investor saw the word “mortgage” and assumed it meant the government prohibited sale or ownership transfer.
He was confused:
“If the government restricts sales, how can I transfer ownership?”
In reality, a “mortgage” means that the property is pledged as collateral with a financial institution.
It can still be sold or transferred but only with the mortgagee’s consent (typically the bank) and after the mortgage is released or properly settled before transfer.
Lawyer Arm explained:
“The government does not monitor who mortgages property or when agreements are made.
What matters is verifying what encumbrances exist before signing any purchase agreement.”
If He Had a Lawyer from the Start, the Problem Wouldn’t Have Escalated

The investor later admitted that he didn’t hire a lawyer to review the contract, assuming the project’s documents were already correct and complete.
However, when the transfer date arrived, he discovered the mortgage issue and had to pause the process to seek legal advice, delaying ownership transfer and nearly losing his large deposit.
Lawyer Arm emphasized:
“Hiring a lawyer to review real estate contracts isn’t an unnecessary expense it’s a long-term investment in risk prevention.”
A few thousand baht in legal fees could have prevented tens of millions in losses.
Why Foreign Investors Face Higher Risk?

Foreign investors often face challenges from language barriers and unfamiliarity with Thai law.
Legal terms like encumbrance, mortgage, claim right, or power of attorney may not have exact translations in English or other languages.
Moreover, bilingual contracts (Thai–English) may differ slightly in meaning.
If discrepancies arise, the Thai version is legally binding, which could disadvantage foreign buyers.
Before investing in Thai real estate, foreign investors should:
- Hire a lawyer familiar with both Thai law and foreign investment rules
- Have a qualified translator or language consultant review all documents
- Check the property’s title deed for existing mortgages or encumbrances before signing
One Page of Legal Review Could Prevent 90 Million in Losses
This case serves as a powerful reminder for both Thai and foreign investors:
Real estate investment is not just about viewing beautiful units, it’s about understanding every clause in the contract.
Lawyer Arm summarized it perfectly:
“If the investor had hired a lawyer from day one, he might have spent a few thousand baht but saved over 90 million.”
Prudence Is the True Profit: Consult a Lawyer Before You Invest

A good investor isn’t just someone with money, it’s someone who manages risk wisely.
In real estate, careful contract review and reliable legal advice are just as crucial as financial capital.
Before signing any high-value property deal:
- Always have a lawyer review your documents
- Clarify every legal term before signing
- Don’t rely solely on sales or marketing claims
Legal pitfalls can happen to anyone Thai or foreign alike.
This case reminds us that “having a lawyer by your side from day one can save you more money than you think.”👉 Consult a lawyer today. Your best investment might be legal advice.

