Developer Due Diligence in Phuket: 8 Documents to Check Before You Sign

Three mid-sized developers on Phuket collapsed in recent years. Buyers lost their deposits, construction sites went dark, and court proceedings dragged on for years. In every case, a basic pre-purchase check could have flagged the warning signs before a single baht changed hands.

Phuket is in the middle of a sustained construction boom. According to Thailand's Department of Lands, more than 120 new condominium and villa projects were registered on the island in 2025 alone. Some of these developers have 20-year track records. Others are shell companies created for a single project. The difference between them is visible only in the paperwork.

This guide walks you through the exact documents, databases, and red flags that matter - before you transfer any money.

Quick Answer

• 8 documents and databases let you verify a developer before signing any contract
• Department of Business Development (DBD) holds the financial records of every registered Thai company - access is free at dbd.go.th
• EIA (Environmental Impact Assessment) is mandatory for projects with 80+ units or land plots of 4,000 sq.m. or more
• Chanote (Nor Sor 4 Jor) is the only land title that confers full, absolute ownership rights
• Building permit (Ror. Nor. 4) must be issued before construction begins - its absence is a direct red flag
• A minimum of 3 completed projects is the practical benchmark for developer maturity in the Phuket market
• Foreign buyers can hold condominium freehold title directly, provided the foreign ownership quota does not exceed 49% of total floor area

Scenarios and Options

Scenario 1: Large SET-Listed Developer

The company is listed on the Stock Exchange of Thailand. Financial statements are audited by a Big Four firm and published quarterly. Bankruptcy risk is low, but pricing typically runs 15-25% above comparable private-developer units. Due diligence here focuses on reviewing the latest annual report and confirming that the specific project holds all required licences.

Scenario 2: Established Private Thai Developer

The company has been operating for 7 or more years and has delivered 3 to 5 completed projects. This describes the majority of active developers on Phuket. A thorough check is essential: financial health via DBD, litigation history via the Court Information Online Service (CIOS), and a physical visit to at least one previously completed site.

Scenario 3: New SPV Created for a Single Project

Special Purpose Vehicles are common in Thai real estate. A company is incorporated specifically to deliver one development. This structure is not inherently fraudulent, but it demands deeper scrutiny: who stands behind the SPV, what construction experience do the founders have, and where is the project financing coming from. Request a performance guarantee from the parent entity.

Scenario 4: Joint Venture with Foreign Capital

A Thai-foreign JV brings two parties to verify. A foreign partner may carry a strong reputation in their home market but have no operational track record in Thailand. The critical question is who holds the land title and what ownership structure is used for the development entity.

Comparison Table

How to Check a Developer: 8 Documents and Sources

1. Company Registration via DBD

Visit dbd.go.th and search by company name in Thai or English. The result shows: registration date, registered capital, paid-up capital, and the list of current directors. If the company was incorporated less than two years ago and carries registered capital below 5 million baht while selling a project worth 500 million baht, that discrepancy warrants serious scrutiny.

2. Three Years of Financial Statements

Through the same DBD portal, request balance sheets for the past three fiscal years. Key metrics to review: debt-to-equity ratio, retained earnings position, and revenue trend. A company with negative equity or consecutive annual losses is a meaningful warning signal.

3. Chanote Land Title

Request a copy of the Chanote (Nor Sor 4 Jor) for the project land parcel. This is the only title form in Thailand that grants absolute ownership, with GPS-verified boundaries registered at the Land Department. Other forms such as Nor Sor 3 or Nor Sor 3 Gor carry limited rights. Verify through the Land Office that the parcel is free of mortgages and encumbrances.

4. Building Permit (Ror. Nor. 4)

This permit is issued by the local authority - either the OrBorTor (Tambon Administrative Organisation) or the municipal office. Construction without it is illegal. Ask for the permit number and cross-check it with the issuing authority. If the developer says 'documents are being processed' while active sales are already underway, that is a regulatory violation.

5. EIA Approval

An Environmental Impact Assessment is mandatory for condominiums with 80 or more units or for any project on land of 4,000 sq.m. or more. Approval is granted by ONEP (Office of Natural Resources and Environmental Policy and Planning). A building permit cannot legally be issued without a valid EIA. Check the approval status directly on the ONEP website.

6. Litigation Check via CIOS

The Court Information Online Service allows you to search whether the developer company or any of its named directors are involved in active court proceedings. A significant volume of claims filed by buyers from previous projects is a red flag that cannot be reasoned away.

7. Condominium Act Registration

For condominium projects, the developer must register the development under the Condominium Act B.E. 2522 and its amendments. This registration confirms that the project complies with statutory requirements, including the 49% foreign ownership ceiling that applies to every registered condominium building in Thailand.

8. Physical Inspection of Completed Sites

No document substitutes for a visit to a project the developer finished two or three years ago. Assess build quality, inspect common areas, and speak directly with current residents. The condition of a completed project tells you more about a developer's standards than any brochure or showroom.

Main Risks and Mistakes

• Transferring funds without independent legal counsel. Engage a licensed Thai property lawyer before signing anything. Legal due diligence on Phuket typically costs 30,000 to 80,000 baht - a fraction of what a failed purchase costs. Larger transactions above 20 million baht may require 100,000 to 150,000 baht for a comprehensive review.

• Trusting the showroom over the financials. Marketing suites, scale models, and render videos are sales tools. They tell you nothing about the developer's balance sheet or whether the project will be completed.

• Overlooking the ownership structure. Confirm that your name or holding entity will appear on the Chanote as the registered owner (for condominiums) or that a leasehold is formally registered at the Land Department (for villa structures).

• Signing a Thai-only contract. Insist on a bilingual contract in Thai and English. In any dispute, the Thai version governs legally - but you must fully understand what you are agreeing to before you sign.

• Accepting a front-heavy payment schedule. The standard structure is 20-30% on contract signing, with the balance paid in tranches tied to construction milestones. If a developer demands 50% or more upfront with no milestone linkage, that is a material risk.

• Skipping the directors check. The same individual can stand behind multiple distressed projects under different company names. Run the director names through DBD and review all associated entities.

FAQ

Where can I check a Thai developer for free?

At dbd.go.th, the Department of Business Development portal. Basic company information - registration date, paid-up capital, and director names - is publicly accessible at no cost. Detailed financial filings may carry a small administrative fee.

How much does a full legal due diligence check cost in Phuket?

Between 30,000 and 80,000 baht for a standard review covering company status, land title, contract terms, and project licences. For transactions above 20 million baht, budget 100,000 to 150,000 baht for an expanded scope.

What is a Chanote and why does it matter?

Chanote (Nor Sor 4 Jor) is the highest form of land title in Thailand. It confirms absolute ownership with GPS-surveyed boundaries registered at the Land Department. Only a Chanote provides full legal protection for a property purchase.

Can a foreign national own a Phuket condominium in freehold?

Yes. Foreigners can hold condominium units in freehold title, provided the foreign quota in the building does not exceed 49% of total registered floor area. Purchase funds must be remitted from abroad, and the buyer must obtain a Foreign Exchange Transaction (FET) form from the receiving Thai bank.

How do I confirm that the project land is not mortgaged?

Request a current title search from the Land Office. The Chanote extract will list any registered mortgages, encumbrances, or easements. Your lawyer can obtain this document within 1 to 2 working days.

What happens if the developer misses the completion date?

Check your contract. A tolerance period of 6 to 12 months is standard in the Phuket market. If the delay exceeds the contractual limit, you are entitled to claim compensation or request a refund. Document all correspondence in writing from the start.

Are online reviews a reliable source of information on developers?

Partially. Use them as a background signal, not as the basis for a decision. The most reliable source is a direct conversation with owners of previously completed buildings during an on-site visit.

Is it safe to buy from a developer launching their first project?

It is possible, but it requires a higher level of scrutiny. Investigate the founders' backgrounds and their prior experience in construction or real estate development. Examine the source of project financing carefully. A bank guarantee covering the deposit payment is a reasonable additional protection to request.

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