Editorial

Buying an Apartment in Bangkok as a Foreigner: 2026 Guide

By THAI.ESTATE Editorial Team18 min read

Buying an Apartment in Bangkok as a Foreigner: 2026 Guide

Foreigners can legally buy an apartment (condominium unit) in Bangkok in their own name. Thai law permits foreign nationals to hold freehold ownership of a condominium unit, provided the building's foreign ownership quota has not been filled. The process involves seven main steps: reservation, due diligence, contract signing, international money transfer with a Foreign Exchange Transaction (FET) form, Land Office registration, snagging, and handover. Each step has specific documents, costs, and timelines you must understand before you commit funds.

The most common - and most expensive - routine error is transferring purchase money incorrectly. Funds must arrive from outside Thailand, in foreign currency, with the right transfer reference. A wrong reference means the bank cannot issue the FET form, which means you cannot register ownership at the Land Office. Read the section on FET mechanics carefully before you wire anything.

Quick answer

  • Legal basis: The Condominium Act (B.E. 2522 / 1979, as amended) allows foreigners to own up to 49% of the total sellable area in any registered condominium building
  • Foreign quota check first: if the 49% foreign quota in your chosen building is already full, freehold ownership is not available to you in that unit
  • FET form is mandatory: every baht of your purchase price must arrive from abroad in foreign currency; the receiving Thai bank issues the FET form, which you present at the Land Office
  • Total transaction costs: budget 2% to 6.3% of the purchase price on top of the agreed price (transfer fee, specific business tax or stamp duty, withholding tax - split varies by negotiation)
  • Timeline: ready-built unit: 6 to 12 weeks from reservation to title transfer; off-plan unit: developer's construction schedule plus the same 6 to 12 weeks at the end
  • Remote purchase is possible with a notarised Power of Attorney (POA), but the FET form and title deed registration still require correct documentation
  • No escrow protection exists for foreign buyers in Thailand; your protection comes from contractual payment schedules, developer verification, and due diligence on permits

Options and scenarios

Option 1: Ready-built condominium unit (resale or completed developer stock)

This is the fastest and lowest-risk path. The building already exists, the title deed (chanote - a full-ownership land document) for the unit is issued, and you can inspect the physical asset before signing. You transfer the full purchase price once, the FET form is obtained, and you register at the Land Office, typically within 4 to 8 weeks of reservation.

For resale units, the seller holds the chanote. Request a certified copy at due diligence stage. Confirm the foreign quota status directly with the juristic person (the condominium's management body, elected by all unit owners) - not just the seller or agent.

Option 2: Off-plan condominium (pre-construction purchase)

You buy directly from a developer before or during construction. Prices are typically lower than completed stock, and payment is split across construction milestones (for example: 10% reservation, 20% on contract, then tranches at structure completion, fit-out, and final transfer).

Critical documents to demand from the developer before signing anything:

  • Copy of the chanote for the land the building will sit on
  • Environmental Impact Assessment (EIA) approval letter (required for buildings above a certain size threshold)
  • Building permit (construction licence issued by the local authority)
  • Company affidavit (certified within the last 3 months) showing the developer's registered shareholders and directors
  • Sales and purchase agreement reviewed by your own Thai lawyer - not the developer's version alone

Each payment tranche must still arrive from abroad in foreign currency to generate a valid FET form. Many buyers make the mistake of transferring later tranches from a Thai bank account they have opened locally - this invalidates the FET for that tranche.

Option 3: Purchase through a Thai Limited Company

Some buyers consider buying a freehold house or land plot through a Thai-majority company. This is a different legal structure from condominium ownership and carries significantly more risk and complexity. Thai law (the Land Code) prohibits foreigners from owning land directly. Company structures used primarily to hold land for a foreign shareholder attract scrutiny from the Land Department and the Department of Business Development. This guide focuses on the condominium route, which is the clearest legal pathway for foreign buyers in Bangkok.

Option 4: Long-term leasehold

If the foreign quota in a condominium is full, or if you want a house or villa, a registered leasehold of up to 30 years (registerable at the Land Office) is the common alternative. Renewal for a further 30 years is contractually possible but not legally guaranteed - the renewal clause is a contract right only, not a statutory right. Leasehold registration costs approximately 1% of the total lease value as a registration fee.

Comparison table

ParameterReady-built condo (freehold)Off-plan condo (freehold)Leasehold (house or villa)
Legal ownershipFull freehold title in your nameFull freehold title on completionRegistered lease, not ownership
Foreign quota requiredYes - 49% building capYes - 49% building capNot applicable
Timeline to move in6-12 weeksDeveloper schedule + 6-12 weeks4-8 weeks after lease signed
Payment structureLump sum at transferMilestone tranches during constructionLump sum or staged as agreed
EIA / building permit checkBuilding already approvedCritical - demand before signingRelevant for new builds
FET form requiredYes - all funds from abroadYes - each tranche from abroadYes - if remitting funds
Indicative transaction costs2% to 6.3% of price2% to 6.3% of price~1% lease registration fee
Resale easeStraightforward if quota allowsAs above on completionLimited - lease assignment needs consent
Main riskOverpaying without inspectionDeveloper default, permit gapsRenewal not legally guaranteed

Step-by-step: the Bangkok apartment buying process

Step 1: Confirm the foreign quota - how do you check it?

Contact the juristic person (the condominium management office) directly and request the current foreign-to-Thai ownership ratio in writing. The Condominium Act caps foreign-owned area at 49% of the total sellable floor area in the building. If that cap is reached, no further foreign freehold transfers are possible until a foreign owner sells. This check costs nothing and takes one to three business days. Do it before any other step.

Step 2: Reservation - what does it commit you to?

A reservation agreement (sometimes called a booking form) locks the unit at the agreed price. You pay a reservation fee, typically THB 50,000 to THB 200,000 for Bangkok condos (indicative figures, 2026). This fee is usually non-refundable if you withdraw. Some developers offer a short due-diligence window (7 to 14 days) before you sign the main contract. Negotiate this window into the reservation agreement before you pay.

Step 3: Due diligence - what must you verify?

Due diligence for a Bangkok condominium covers at minimum:

  • Title deed (chanote) check: verify the unit's title number at the Land Office; confirm no mortgages, liens, or encumbrances are registered against it
  • Foreign quota confirmation: written confirmation from the juristic person (see Step 1)
  • Developer's company affidavit: certified copy from the Department of Business Development, issued within the last 3 months, showing registered capital, shareholders, and authorised directors
  • Building permit and EIA: for off-plan, both must be issued before construction starts; for ready-built, confirm the building was completed in accordance with the permit
  • Sinking fund and common area fee status: the juristic person can confirm whether any outstanding fees are owed on the unit; you do not want to inherit arrears
  • Condominium regulations: the building's internal rules affect pets, rental restrictions, and renovation approvals

Budget THB 15,000 to THB 40,000 (indicative) for a Thai lawyer to conduct and document this review.

Step 4: Sale and purchase agreement - what should it contain?

The Sale and Purchase Agreement (SPA) is the binding contract. For off-plan purchases, the developer will present their standard form. Have your own lawyer review it. Key clauses to check:

  • Payment schedule tied to specific construction milestones, with dates
  • Penalty for late completion payable by the developer (typically 0.01% of the purchase price per day of delay, though negotiable)
  • Defect liability period after handover (commonly 1 to 2 years)
  • Unit specifications listed in detail - floor area, ceiling height, finishes, included fixtures
  • Transfer cost allocation - by convention in Bangkok, the transfer fee is split 50/50 between buyer and seller, but this is negotiable and should be stated in the SPA
  • Termination and refund conditions if the developer cannot complete

Never sign the SPA on the day it is first presented to you. Take at least 3 to 5 business days for legal review.

Step 5: International money transfer and the FET form - the most critical step

This step is the most common source of serious, expensive errors for foreign buyers.

What is the FET form? The Foreign Exchange Transaction form (also referred to as a Thor.Tor.3 form) is a document issued by a Thai commercial bank confirming that foreign currency arrived in Thailand from abroad and was converted to Thai baht. As of 2026, the Bank of Thailand requires this form for foreign currency transfers above USD 50,000 (or equivalent). For amounts below this threshold, the bank may issue a credit advice letter instead, but the principle is the same: you need documentary proof that the money came from outside Thailand.

Why does it matter at the Land Office? The Land Office will not register a condominium unit in a foreigner's name without the FET form (or equivalent documentation) covering the full purchase price. This is the legal proof that foreign funds - not Thai-sourced funds - paid for the unit, as required by the Condominium Act.

Exact requirements for a valid FET form:

  1. Funds must originate from a bank account outside Thailand - transferring from your own Thai bank account does not qualify
  2. Transfer must be in foreign currency (USD, EUR, GBP, SGD, HKD, and other major currencies are accepted) - do not convert to baht before the transfer
  3. The purpose of transfer (the transfer reference/message) must state it is for property purchase or condominium purchase in Thailand; some banks and lawyers recommend stating the unit number and building name
  4. The receiving Thai bank converts the foreign currency to baht and issues the FET form; keep the original
  5. Each payment tranche for an off-plan purchase must be transferred separately from abroad; you cannot consolidate by moving money to a local account first

A wrong transfer reference is not automatically correctable. Some Thai banks will amend the reference within a short window if contacted immediately, but many will not. If the FET form cannot be issued, you cannot register ownership. Always instruct your bank in writing before each transfer.

Minimum transfer amount: The FET form requirement applies per transaction. For small deposits (reservation fees paid abroad), obtain the bank's credit advice letter as a minimum; your lawyer can advise on whether this satisfies the Land Office in your specific case.

Step 6: Land Office registration - what happens on the transfer day?

The Land Office (in Bangkok, transfers for condominiums in most districts occur at the district-level Land Office, not the central office) handles the physical transfer of title. Both buyer and seller (or their POA holders) must attend, or send an authorised representative with a notarised POA.

Documents you bring as the buyer:

  • Passport (original)
  • FET form(s) covering the full purchase price
  • Sale and purchase agreement (original)
  • Power of Attorney (if attending by representative) - must be notarised and may need Thai consulate legalisation depending on the issuing country

Documents the seller/developer brings:

  • Original chanote (title deed) for the unit
  • Company affidavit (developer or juristic person)
  • Tax clearance documents

Costs paid at the Land Office on transfer day (indicative, 2026):

  • Transfer fee: 2% of the registered value (assessed value set by the Land Department, often lower than market price)
  • Specific Business Tax (SBT): 3.3% of the sale price or registered value (whichever is higher), payable if the seller has held the unit for less than 5 years; if the seller is exempt (held more than 5 years), stamp duty of 0.5% applies instead
  • Withholding tax (personal seller): calculated on a graduated scale based on assessed value and holding period; for a corporate seller, it is a flat rate
  • By convention in Bangkok, buyer and seller split the transfer fee 50/50 and negotiate who pays SBT/stamp duty and withholding tax; confirm the split in your SPA

Allow 3 to 6 hours at the Land Office on transfer day. The new chanote with your name is usually issued the same day or within 1 to 2 business days.

Step 7: Snagging and handover - what should you inspect?

For a new unit (off-plan or new developer stock), conduct a snagging inspection before you sign the handover document. Common defects in Bangkok new-build condos include:

  • Cracked tiles or grout gaps
  • Water ingress around air-conditioning units or windows
  • Electrical fittings that do not function
  • Incomplete finishes in bathrooms and kitchens

Document all defects in writing (photographs plus a written list) and attach them to the handover document. Only sign handover for defects the developer agrees to fix within a specified period. Once you sign an unconditional handover, your leverage to enforce repairs decreases sharply.

At handover you will also pay:

  • Sinking fund: a one-off upfront contribution to the building's reserve fund, typically THB 400 to THB 700 per square metre (indicative, 2026 Bangkok market estimates)
  • Common area fee (CAF): the first month or quarter of the ongoing monthly building maintenance fee, typically THB 40 to THB 80 per square metre per month (indicative, 2026 Bangkok market estimates)

Doing it remotely: Power of Attorney

You can complete most steps in Bangkok without being present in Thailand, using a Power of Attorney (POA). The POA authorises a named representative (your Thai lawyer or a trusted individual) to sign documents and appear at the Land Office on your behalf.

POA requirements:

  • Must be signed in front of a notary public in your country of residence
  • Some Thai Land Offices require the POA to be legalised at the Thai embassy or consulate in your country ('consularised')
  • The POA should specifically authorise the property transaction by address, unit number, and price
  • Validity period should cover the full transaction timeline with a buffer

Steps you can do remotely: due diligence review, SPA negotiation and signing (with POA), international transfers (you control these from your own bank), FET form collection (your Thai lawyer receives it). Steps that still require your in-person signature or a POA at the Land Office: title transfer registration.

Risks and mistakes

Risk 1: Incorrect FET transfer - the single most common costly error

Transferring funds from a Thai account, converting to baht before sending, or using a vague transfer reference all prevent a valid FET form from being issued. The buyer then cannot register ownership. Prevention: write the instruction to your bank, have your Thai lawyer review it, and keep the SWIFT confirmation for every transfer.

Risk 2: Foreign quota already full

You discover after paying a reservation fee that the 49% foreign quota is at or near the limit. Some developers allow transfer of quota from Thai-named units, but this is not guaranteed. Always confirm quota status in writing before paying any money.

Risk 3: Developer permits not in order (off-plan)

A building under construction that does not yet have EIA approval or a building permit is a significant legal risk. Construction can be halted or the building cannot receive an occupancy certificate. Demand certified copies of both before signing the SPA.

Risk 4: Accumulated common area fee arrears on resale units

The juristic person (building management body) has the right to place a lien on a unit for unpaid fees. Confirm in writing from the juristic person that the unit has no outstanding balances before transfer day.

Risk 5: Overpaying on the registered value and transfer costs

The Land Department uses its own assessed value for calculating transfer fee and SBT. If the assessed value is lower than your purchase price, the fee is calculated on the assessed value (transfer fee) or the higher of the two (SBT). Have your lawyer calculate the precise tax bill before transfer day - surprises on transfer day are common.

Risk 6: Unsigned or incomplete SPA

Some buyers make large transfers based on a developer's booking form only, before a formal SPA is signed. If the developer fails, you have weak contractual grounds for recovery. Never transfer more than the reservation deposit until the SPA is fully executed.

Risk 7: POA that is too broad or too narrow

A POA that does not specifically reference the property or transaction may be rejected by the Land Office. A POA that is too broadly worded creates risks of misuse. Have a Thai lawyer draft or review it.

FAQ

Can a foreigner own an apartment in Bangkok outright?

Yes. Under the Condominium Act, a foreign national can hold freehold title to a condominium unit in their own name. The building must be registered under the Condominium Act, and the foreign ownership quota (49% of total sellable floor area) must not be exceeded.

What is the FET form and why is it required?

The FET (Foreign Exchange Transaction) form - sometimes called a Thor.Tor.3 - is a document issued by a Thai commercial bank confirming that foreign currency was received from abroad and converted to Thai baht. The Land Office requires this form as proof that foreign funds paid for the unit, as mandated by the Condominium Act. Without it, a foreigner cannot register ownership.

How much does it cost to buy an apartment in Bangkok as a foreigner?

Beyond the purchase price, budget 2% to 6.3% of the registered value in transaction costs (transfer fee at 2%, plus either Specific Business Tax at 3.3% or stamp duty at 0.5%, plus withholding tax). Legal fees for due diligence and contract review add approximately THB 15,000 to THB 40,000 (indicative, 2026). At handover, sinking fund and initial common area fees are due.

Can I buy off-plan from abroad without visiting Bangkok?

Yes, with a properly drafted and notarised Power of Attorney. Your Thai lawyer can attend signings and the Land Office transfer on your behalf. International fund transfers you control from your own overseas bank. However, a physical inspection of the unit at snagging stage is strongly advisable before final sign-off on handover.

What documents must I demand from an off-plan developer?

Before signing the SPA: a copy of the chanote for the land, the EIA approval letter, the building permit, a company affidavit of the developer (issued within 3 months), and the draft SPA for independent legal review. During construction: milestone completion certificates tied to each payment tranche.

How long does the Bangkok apartment buying process take?

For a ready-built unit: 6 to 12 weeks from reservation to Land Office registration. For off-plan: the developer's construction schedule (commonly 2 to 4 years in Bangkok for new projects) plus 6 to 12 weeks for the transfer process at completion.

Is there any protection if the developer does not complete the building?

There are no escrow accounts for foreign property buyers in Thailand in the traditional sense. Your protection comes from: a well-drafted SPA with milestone-linked payment tranches (so you do not pay in full before construction milestones are met), contractual penalties for late delivery, verified developer credentials and track record, and confirmed permits. If the developer defaults, your remedy is contractual litigation in Thai courts.

Can I transfer my apartment later when I want to sell it?

Yes. When you sell, the FET form from your original purchase matters again. The buyer (if foreign) needs their own FET form. You must show the Land Office the original FET form to prove foreign-sourced funds, as this may affect how repatriation of sale proceeds is treated by your bank. Keep all FET forms for the life of your ownership.

Can I rent out my Bangkok condominium?

Short-term rental (less than 30 days per stay, such as via booking platforms) is technically prohibited under Thai hotel law unless the building has a specific licence. Long-term rental (30 days or more) is generally permitted but check the condominium's internal regulations, which the juristic person enforces. Confirm rental policy with the building management before purchasing if rental income is part of your plan.

What is the juristic person and why does it matter?

The juristic person is the legal management body of a registered condominium, formed by all unit owners under the Condominium Act. It manages common areas, collects fees, enforces building regulations, and maintains the foreign ownership ratio records. You must contact the juristic person to confirm quota status, outstanding fee balances on a unit, and building rules. It is your primary point of contact after you take ownership.


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.

Contact the team ->