Editorial
6 Common Legal Mistakes Buying Property in Thailand
By THAI.ESTATE Editorial Team17 min read
Foreign buyers lose money in Thailand not because the law is hidden, but because they skip steps that are clearly visible in advance. The six mistakes below are drawn from recurring patterns that the THAI.ESTATE Editorial Team observes across the Thai residential market as of 2026. Each one is preventable. Each one has a measurable cost.
Read the full breakdown before you sign anything.
Quick answer
- Using a Thai nominee company to hold land is illegal under the Land Code and the Foreign Business Act; unwinding such a structure can cost more than the property is worth
- An unregistered lease has no legal weight against a new owner; only a lease registered at the Land Office and lasting up to 30 years is enforceable
- Skipping a title search before paying a deposit means you may buy land with encumbrances, servitudes, or a lower-grade deed that cannot be mortgaged or sold easily
- Wiring funds with the wrong transfer purpose invalidates the Foreign Exchange Transaction (FET) document - the certificate Thai banks issue confirming foreign currency entered Thailand - and blocks condominium unit registration in your name
- Signing the handover form without a written inspection report removes your legal basis to claim defects after the fact
- Verbal developer promises are unenforceable in Thailand unless they appear word-for-word in the signed sales and purchase agreement
Options and scenarios
Mistake 1: Is a Thai company a safe way to buy a villa?
It is not. A common structure has a foreign buyer holding 49% of shares in a Thai limited company, with Thai nominees holding the remaining 51%. The company then buys freehold land and the villa on it. The buyer treats this as effective ownership.
The problem is systemic. Under the Land Code B.E. 2497 and the Foreign Business Act B.E. 2542, using Thai nationals as nominee shareholders specifically to allow a foreigner to control land is prohibited. The Department of Special Investigation (DSI) and the Land Department have both investigated and unwound such structures. In practice, enforcement has been uneven, but the legal exposure is real and permanent.
What it costs: Legal fees to restructure a nominee company in Phuket or Koh Samui range from THB 150,000 to THB 400,000 (indicative market figures, 2026). If the structure is challenged and the land is seized, the buyer loses the full acquisition price. A villa purchased for THB 15 million carries THB 15 million of uninsurable risk.
Warning signs visible in advance: the agent proposes the company structure without asking whether you need the company for any actual business purpose; the Thai shareholders are introduced by the agent, not known to you independently; the shareholder agreements contain back-dated loan documents designed to give you notional control.
Prevention rule: If you want a detached house with land, use a long-term leasehold (30 years, registered at the Land Office, with a separate building ownership agreement where lawful) or restrict your search to condominium units, which foreigners can own freehold under the Condominium Act B.E. 2522, provided the foreign quota in the building (49% of total sellable area) is not exhausted.
Mistake 2: Relying on an unregistered lease or a verbal renewal promise
A European retiree purchasing in Rawai, Phuket, signs a 30-year lease with a right-to-renew clause for a further 30 years. The developer verbally confirms the renewal is 'guaranteed.' The lease is never taken to the Land Office for registration. Five years later the developer sells the land. The new owner has no record of the lease and issues a notice to vacate.
The legal position under the Civil and Commercial Code: a lease of immovable property lasting more than three years is enforceable against third parties only if it is registered at the Land Office where the title deed (chanote - the highest-grade Thai land title, issued under the Land Code, giving full ownership rights) is held. An unregistered lease, however long its stated term, binds only the original lessor.
Renewal promises are a separate issue. Thai law does not recognize an obligation to renew a lease unless the renewal itself is a registered instrument. A clause saying 'the parties agree to negotiate a renewal' creates no enforceable right.
What it costs: A retiree who paid THB 3 million as a lump-sum lease premium for an unregistered 30-year lease has an unsecured claim against an individual, not a right in land. Recovery through Thai civil courts typically takes three to five years and yields partial results at best.
Warning signs visible in advance: the developer or agent says registration 'is not necessary' or 'adds costs'; the lease document is in Thai only with no certified translation; the renewal clause uses the word 'negotiate' rather than stating fixed terms; no Land Office appointment is scheduled before final payment.
Prevention rule: Pay the final balance only after the lease is registered at the Land Office and you hold the original registered lease document stamped by the Land Office. Budget 0.1% of the lease value for the registration fee (a statutory rate under the Revenue Code, as of 2026). If the developer refuses registration, treat that as a contract-ending condition.
Mistake 3: Skipping the title search before paying a deposit
A buyer pays a THB 500,000 reservation deposit on a villa in Chiang Mai without checking the deed class. The deed turns out to be a Nor Sor 3 Gor - a confirmed right-of-possession certificate that grants possession rights but is not a full ownership title - rather than a chanote. The land cannot be used as mortgage collateral at a Thai commercial bank, and certain types of development on it require additional approval.
A title search at the relevant Land Office takes one to three working days and costs between THB 500 and THB 2,000 in government fees (indicative, 2026). It reveals: the exact deed class and grade; any registered mortgages or charges; any servitudes (rights of way, utility easements); any court orders or attachments; and the legal owner's identity.
Deed classes matter because Thailand has multiple grades of land document. Only a chanote (also written as 'NS 4 J' on the document) gives full, survey-confirmed freehold title that can be mortgaged, subdivided, and transferred without restriction. Lower-grade documents carry additional conditions.
What it costs: Losing a THB 500,000 deposit is the minimum exposure. If construction has begun on land with an ambiguous deed, the total loss can reach the full contract price.
Warning signs visible in advance: the agent cannot produce a copy of the current title deed before the deposit is paid; the deed reference number on the sale agreement does not match the deed the agent shows you; the property is described as 'land with a house' but no deed is shown for the land separately.
Prevention rule: Make the return of your deposit a condition of the reservation agreement if the title search, conducted by an independent Thai lawyer you engage directly, does not confirm a clean chanote within ten working days.
Mistake 4: Wiring money with the wrong transfer purpose and losing the FET document
A buyer purchases a condominium unit in Bangkok for THB 6,200,000 (approximately USD 170,000 at mid-2025 exchange rates). The funds are sent from an overseas bank account. The transfer instruction to the overseas bank describes the purpose as 'personal transfer' or 'living expenses.' The receiving Thai bank books the inward remittance under a general personal account credit, not as a foreign currency remittance for property purchase.
The FET document (Foreign Exchange Transaction form, also called a Thor Tor 3 or the bank's equivalent certificate) is the instrument issued by a Thai commercial bank confirming that foreign currency of at least the purchase price was remitted from abroad specifically for the purchase of the condominium unit. Under the Condominium Act, this document is required by the Land Department to register a condominium title transfer into a foreigner's name.
Without a correctly worded FET document, the Land Department will refuse the transfer. Correcting a mis-described remittance retrospectively requires the Thai bank to issue an amended certificate, which some banks do and others refuse, depending on their internal compliance policies.
What it costs: At minimum, delays of four to twelve weeks and legal fees of THB 30,000 to THB 80,000 (indicative). At worst, the seller cancels the contract for failure to complete on time, and the buyer forfeits the deposit or faces a damages claim.
Warning signs visible in advance: your agent or the developer's sales team gives you no written instruction about the transfer purpose wording; the transfer is made in multiple small amounts without confirming each will be documented; the receiving account is in a Thai individual's name rather than the developer's corporate account.
Prevention rule: Before wiring any amount, obtain the exact transfer purpose wording from your Thai bank in writing. Confirm with the receiving Thai bank that each inward transfer will generate a separate FET certificate. Wire the full purchase price as one transfer where possible, since a single FET for the exact purchase amount is the cleanest evidence.
Mistake 5: Signing handover without a written inspection report
A buyer accepts the keys to a new condominium unit in Pattaya. The developer presents a handover form - a document confirming the buyer accepts the unit as delivered. The buyer signs it on the day, intending to report defects later. The developer's after-sales team subsequently declines warranty claims, pointing to the signed handover form as evidence of acceptance.
Under Thai construction practice and the Consumer Protection Act B.E. 2522, a developer's warranty obligation on a new residential unit is typically one to five years depending on the defect type (structural defects generally five years under standard contract terms; finishing defects shorter). However, the starting point for any warranty claim is demonstrating that the defect existed at handover. A signed acceptance form with no written reservations makes that demonstration very difficult.
What it costs: Repairs to common finishing defects in a mid-range unit - waterproofing failures, cracked tiles, non-functioning air conditioning - run from THB 80,000 to THB 300,000 (market estimates, 2026). Structural defects cost more. None of this is recoverable if you have signed an unconditional handover.
Warning signs visible in advance: the developer schedules handover at a time that gives you no opportunity to inspect before signing; the handover form is in Thai only; the developer's representative is present but no independent inspector is available; you are told 'minor issues can be sorted after you move in.'
Prevention rule: Engage an independent property inspector before the handover appointment. The inspection fee is typically THB 3,000 to THB 8,000 for a standard unit. List every defect in writing on or attached to the handover form. Sign only the section of the form confirming receipt of keys, with a written note that defects listed are outstanding. Keep a timestamped photo record.
Mistake 6: Trusting verbal developer promises that never enter the contract
A buyer purchases a condominium unit off-plan in a development on Koh Samui, partly on the basis that the developer will complete a communal pool by Q1 of the delivery year, that a specific furniture package is included, and that a guaranteed rental return of 6% per year for three years will be paid by the developer's management company. None of these commitments appear in the signed sale and purchase agreement (SPA). The pool is delivered 18 months late, the furniture package is excluded from the final handover, and the rental guarantee company is a separate entity that goes into liquidation before the first payment.
Thai contract law (Civil and Commercial Code) follows the written agreement. Parol evidence - oral statements made before signing - is generally not admitted to vary the terms of a written contract. The SPA is the entire agreement.
What it costs: A 6% guaranteed rental return on a THB 4,000,000 unit is THB 240,000 per year. Over three years that is THB 720,000 in promised income that a buyer cannot recover if the commitment is not in the SPA and the guarantor entity is insolvent.
Warning signs visible in advance: the sales team communicates promises by WhatsApp or verbally rather than in writing; the draft SPA sent for review does not include the rental guarantee or furniture specification; the rental guarantee is described as being managed by a 'partner company' with no disclosed financial standing; the developer's sales material uses projected returns but the SPA contains no such figures.
Prevention rule: Treat the SPA as the only source of truth. If a commitment is not in the SPA, it does not exist. Before signing, provide your lawyer with every written and verbal promise you have received and require each one to be either included in the SPA by amendment or formally withdrawn in writing so you can make an informed decision about whether to proceed.
Comparison table
| Mistake | Typical financial exposure | Reversible? | Prevention cost |
|---|---|---|---|
| Nominee Thai company for land | Full property value (e.g. THB 5M to 20M+) | Rarely, and at high legal cost | Legal advice before purchase: THB 15,000 to 40,000 |
| Unregistered or unenforceable lease | Full lease premium paid (e.g. THB 1M to 5M) | Difficult; requires civil litigation | Land Office registration fee: approx. 0.1% of value |
| Skipping title search | Deposit loss to full contract value | Sometimes, if deposit clause allows | Title search: THB 500 to 2,000 in fees + lawyer time |
| Wrong FET transfer purpose | Delays, deposit forfeiture, damages claims | Sometimes, bank-dependent | Zero cost: correct wording instruction before wiring |
| Signing handover without inspection | THB 80,000 to 300,000+ in unrecoverable repairs | No: signed acceptance is binding | Independent inspection: THB 3,000 to 8,000 |
| Verbal promises not in SPA | THB 200,000 to 1M+ in unenforceable commitments | No: contract law prevails | Lawyer SPA review: THB 10,000 to 30,000 |
Risks and mistakes
The six cases above share a pattern: the risk was visible before the buyer committed money. The buyer either did not look, or trusted a party who had a commercial interest in the transaction completing.
Three structural risks make Thailand particularly unforgiving for foreign buyers.
First, foreigners cannot own land freehold. This single restriction creates pressure to use workarounds - nominee companies, long leaseholds, superficies rights (a registered right to own a building on another person's land, separate from the land itself). Each workaround has its own legal conditions, and each is marketed by some agents as equivalent to ownership when it is not.
Second, the Thai property market has a large off-plan segment. Buying a unit that does not yet exist means you are extending credit to a developer for two to five years. Developer insolvency is not hypothetical. As of 2026, several mid-market Thai developers have restructured debts or suspended projects. There are no statutory buyer-protection mechanisms in Thailand equivalent to an advance payment guarantee or a stage-payment trust fund. Your protection is the contract and the developer's financial standing, both of which require independent scrutiny before you pay.
Third, enforcement of civil judgments in Thailand is slow. A Thai civil court case takes two to five years at first instance. Even a successful judgment may take further time to enforce against assets. The practical consequence is that prevention is worth far more than litigation. Every baht spent on a lawyer before signing saves a multiple in potential recovery costs.
Additional risks to track:
- Juristic person fees and sinking fund: A juristic person is the residents' management body of a condominium building, established under the Condominium Act. Confirm the monthly common area fee (per market estimates, THB 30 to 80 per square metre per month in most Bangkok and Phuket buildings, 2026) and the sinking fund (a one-time capital reserve payment, typically THB 400 to 700 per square metre). These are not negotiable and are not always disclosed clearly in off-plan sales.
- Transfer tax and duties at the Land Office: The total government cost of a freehold condominium transfer is typically 2% to 3.3% of the assessed or contract value (comprising transfer fee, specific business tax or stamp duty, and income withholding tax, depending on the holding period). Confirm in writing who pays which component before signing the SPA.
- Building permits and EIA compliance: For larger developments, confirm that the developer holds a valid construction permit and, where required, an Environmental Impact Assessment (EIA) approval. Projects without valid permits can be halted or demolished by order of local authorities.
FAQ
Can a foreigner own a house and land in Thailand outright?
No. Under the Land Code, foreigners cannot own freehold land in Thailand for residential purposes. You can own the building structure separately in some cases, hold a registered 30-year leasehold on the land, or own a condominium unit freehold under the Condominium Act, subject to the 49% foreign quota per building.
What is a chanote and why does it matter?
A chanote (Nor Sor 4 Jor) is the highest-grade Thai land title, issued after a GPS-surveyed boundary demarcation. It gives full, unambiguous ownership rights and can be mortgaged and transferred without restriction. Lower-grade documents such as Nor Sor 3 Gor indicate confirmed possession rather than full ownership and carry additional conditions. Always verify which document type applies before paying any deposit.
What is the FET document and when do I need it?
The FET document is a certificate issued by a Thai commercial bank confirming that foreign currency was remitted from abroad into Thailand specifically for the purchase of a property. The Land Department requires this document to register a condominium unit in a foreigner's name. Without a correctly described FET for the full purchase price, the title transfer will be refused.
Is a 30-year lease with a renewal option enforceable?
Only if both the initial lease and any pre-agreed renewal terms are registered at the Land Office. Thai law does not allow a single registered lease to exceed 30 years (as of 2026 the proposed 99-year lease reform for certain zones has not been enacted nationally). A verbal or written but unregistered renewal promise is not enforceable against a new landowner.
What due diligence should I do before paying a deposit in Thailand?
At minimum: commission an independent title search at the Land Office to confirm a clean chanote; have a Thai lawyer review any reservation or sale agreement before signing; confirm the developer's company registration and any project-specific permits; and obtain the correct FET wording from your receiving bank before wiring funds.
How much does a Thai property lawyer cost for a transaction review?
For a standard condominium purchase, an independent Thai lawyer charges approximately THB 15,000 to THB 40,000 for contract review and Land Office assistance (indicative market figures, 2026). For a leasehold villa transaction, budget THB 30,000 to THB 80,000. These are small sums relative to the purchase price and the cost of a mistake.
What is a sinking fund in Thai condominium ownership?
A sinking fund is a one-time capital reserve payment made at the time of transfer, held by the condominium's juristic person. It covers major future repairs - roof, elevators, external facade. The standard rate is THB 400 to THB 700 per square metre, though premium buildings charge more. It is not refundable if you sell the unit.
Can I rely on a guaranteed rental return offered by a Thai developer?
Only if the guarantee is in the signed sale and purchase agreement, the guaranteeing entity has disclosed financial standing, and the legal structure creating the obligation is clear. If the guarantee is from a 'management company' separate from the developer, that company is a distinct legal entity. Its obligations do not bind the developer, and its solvency is separate. Treat any rental guarantee as speculative unless it is contractually secured.
What happens if I sign the handover form without noting defects?
You give up most practical leverage to require the developer to repair those defects under warranty. Thai developer warranty periods (typically one to five years depending on defect type) run from handover, but the developer can argue that defects not noted at handover did not exist at that time. Always attach a written defect list to the handover form or refuse to sign the acceptance section until defects are resolved.
Is the Thai court system available to foreign buyers for property disputes?
Yes, Thai courts are accessible to foreigners. However, a first-instance civil judgment typically takes two to five years. Enforcement of a judgment against assets takes additional time. Arbitration clauses in some developer contracts route disputes to Thai Arbitration Institute proceedings, which are faster but still slow by international standards. The practical lesson is that prevention through contract review is significantly more efficient than litigation after a dispute arises.
Planning a property purchase in Thailand? Send us your requirements - the THAI.ESTATE team will reply with specific options and a safety checklist for your case.