Can an Unmarried Partner Inherit Property in Thailand?

Concise answer

Yes, an unmarried partner can inherit property in Thailand if they are named as a beneficiary in a legally valid will and are legally eligible to receive or retain the particular asset.

Without a valid will, an unmarried partner is not automatically treated as a surviving spouse or statutory heir under Thai succession law. The deceased’s estate may instead pass to children, parents, siblings or other recognised relatives.

Living together, sharing expenses or contributing towards the property purchase does not by itself guarantee inheritance or registered ownership rights.

Detailed explanation

Thai succession law gives specific inheritance rights to a legally recognised surviving spouse. An unmarried partner does not normally receive those same automatic rights.

This distinction can be especially important for international couples who:

• Live together but have never married
• Have held a ceremonial wedding only
• Have been partners for many years
• Own property in one partner’s name
• Have children from previous relationships
• Use a villa held under a complex ownership structure
• Assume the surviving partner will automatically receive the home

An unmarried partner should be protected through deliberate legal planning rather than informal expectations.

1. An unmarried partner is not a statutory spouse

The surviving-spouse provisions under Thai succession law generally apply to a legally recognised marriage.

An unmarried partner is not automatically included among the six classes of statutory blood heirs.

Therefore, when an owner dies without an effective will, the estate may pass to:

1. Descendants
2. Parents
3. Full-blood siblings
4. Half-blood siblings
5. Grandparents
6. Uncles and aunts

A legally married spouse may also inherit, but an unmarried partner does not automatically take that position.

2. Length of the relationship does not create automatic inheritance

Living together for a long period does not normally convert an unmarried partner into a statutory heir.

This can remain true even where the couple:

• Shared a home for decades
• Maintained joint finances
• Raised children
• Operated a business together
• Were financially dependent on each other
• Were publicly regarded as married
• Referred to each other as husband or wife

The legal inheritance position depends on recognised marriage, registered ownership, valid contractual rights and any effective will.

3. A ceremonial wedding may not be sufficient

A religious, traditional or private ceremony does not necessarily create a legally recognised marriage.

The couple should confirm whether their marriage was:

• Legally registered in Thailand
• Legally registered overseas
• Recognised under applicable Thai conflict-of-laws principles
• Supported by an official marriage certificate
• Still legally valid at the date of death

If the relationship is not legally recognised as a marriage, the surviving partner should not assume statutory-spouse rights exist.

4. A valid Thai will can protect the partner

A property owner may name an unmarried partner as a beneficiary in a valid Thai will.

The will should clearly identify:

• Testator
• Partner
• Property or asset
• Registered ownership interest
• Estate administrator
• Alternative beneficiary
• Instructions if the partner cannot legally retain the property
• Treatment of debts and expenses

For international owners, a Thai will limited to Thai assets can often make the owner’s intentions clearer and easier to administer.

5. The will must follow the correct legal form

A will is effective only if it complies with an accepted legal form.

A commonly used ordinary written Thai will generally must:

• Be in writing
• State the date
• Be signed by the testator
• Be signed before at least two witnesses present together
• Be signed by those witnesses to certify the testator’s signature

The unmarried partner who will benefit should not act as a witness. Beneficiaries, spouses of beneficiaries and other interested persons should be kept separate from the witnessing process.

Professional preparation reduces the risk of invalid execution or unclear instructions.

6. A will cannot override property ownership restrictions

Naming the partner in a will does not guarantee that the partner may retain every type of Thai property.

The outcome depends on:

• Partner’s nationality
• Type of property
• Foreign ownership quota
• Land ownership restrictions
• Lease terms
• Company structure
• Land Office requirements

Where the partner cannot retain the asset, the will may authorise the estate administrator to sell it and transfer the net proceeds to the partner.

7. A foreign partner may inherit a condominium

A foreign unmarried partner named in a valid will may inherit a condominium, subject to the Condominium Act.

The right to retain foreign-freehold ownership depends on:

• Eligibility under the Condominium Act
• Building’s 49% foreign ownership quota
• Existing foreign-owned area
• Juristic-person certification
• Land Office approval
• Disposal requirements where ownership cannot be retained

If the partner cannot keep the condominium, it may need to be sold within the prescribed period.

8. A Thai partner may receive a condominium as Thai ownership

A Thai unmarried partner named in a valid will may generally receive a condominium interest as Thai ownership, subject to normal estate and Land Office procedures.

The transfer may require:

• Valid will
• Death certificate
• Court order appointing an estate administrator
• Condominium title deed
• Debt-free certificate
• Thai identification
• Juristic-person documents
• Land Office registration

Other beneficiaries or heirs may challenge the will or administration if the documents are unclear.

9. A foreign partner cannot automatically receive Thai land

A foreign unmarried partner named in a will generally cannot retain Thai land merely because the deceased intended them to receive it.

Foreign ownership of land is highly restricted.

The estate may need to:

• Sell the land
• Transfer it to an eligible beneficiary
• Distribute sale proceeds to the foreign partner
• Separate the building from the land interest
• Address any lease or superficies

A foreign testamentary beneficiary should not assume they qualify for the limited statutory-heir permission route under Section 93 of the Land Code.

10. A villa may contain several different legal interests

A Phuket villa may involve:

• Land
• Building
• Registered lease
• Superficies
• Usufruct
• Company shares
• Furniture
• Contractual rights

The unmarried partner may be able to inherit some components but not others.

For example:

• Foreign partner may inherit the building
• Land may need to be sold
• Lease may terminate or continue depending on its wording
• Company shares may pass through the estate
• Furniture may transfer under the will

The will should address each component accurately.

11. Leasehold rights require advance planning

If the couple occupies a villa under a land lease, the surviving partner’s rights depend heavily on the lease.

Important questions include:

• Are both partners named as lessees?
• Is the lease expressly inheritable?
• Can it be assigned?
• Does it terminate upon one lessee’s death?
• Do renewal rights pass to the survivor?
• Is the building separately owned?
• Is a superficies registered?
• Does the lessor’s consent remain necessary?

A will cannot convert a personal or non-transferable lease into an inheritable right.

Naming both partners appropriately in the lease may provide greater protection, subject to legal review.

12. Joint ownership can provide direct registered rights

For a condominium, eligible unmarried partners may consider registering both names on the title.

Joint ownership can establish each partner’s existing legal share during their lifetime.

However, it does not necessarily create automatic survivorship. When one partner dies:

• Survivor retains their existing registered share
• Deceased’s share enters the estate
• Deceased’s share passes under a will or intestacy
• Foreign ownership quota remains relevant
• Estate administration may still be required

Joint ownership should be combined with coordinated wills.

13. Financial contributions do not automatically create title

One partner may contribute money towards property registered solely in the other partner’s name.

That contribution does not necessarily create registered ownership or inheritance rights.

The non-owner may need to prove:

• Amount contributed
• Purpose of payment
• Whether it was a gift or loan
• Agreement between the partners
• Intended ownership share
• Bank-transfer records
• Contractual rights

Without documentation, a contribution may be difficult to recover from the estate.

14. Loans between partners should be documented

Where one partner lends money for the purchase, the arrangement should be recorded properly.

A loan agreement may identify:

• Lender
• Borrower
• Principal amount
• Purpose
• Repayment terms
• Interest where applicable
• Security
• Events following death
• Governing law

A genuine loan claim may be enforceable against the estate before distribution, subject to evidence and applicable law.

A loan agreement is not a substitute for registered ownership or a will.

15. Company ownership does not automatically protect the partner

Where property is connected to a Thai company, the surviving partner’s rights may depend on:

• Registered shareholders
• Company articles
• Shareholder agreement
• Share-transfer restrictions
• Director appointments
• Validity of the company structure
• Will covering the deceased’s shares
• Foreign ownership regulations

Being the deceased shareholder’s partner does not automatically transfer shares or control of the company.

Company shares and management succession should be planned separately.

16. A partner may be appointed estate administrator

The owner may nominate the unmarried partner as estate administrator in the will.

The administrator may then seek authority to:

• Locate estate assets
• Maintain the property
• Pay estate debts
• Deal with banks
• Communicate with the juristic person
• Transfer or sell property
• Distribute the estate

Appointment in the will can support the court application but does not necessarily eliminate the need for a court order.

The owner should also appoint an alternative administrator.

17. The partner should know where documents are stored

The surviving partner may have difficulty acting if they cannot locate the original documents.

The property file should include:

• Original will
• Title deed
• Purchase agreement
• Lease
• Superficies registration
• Company documents
• Banking and FET evidence
• Insurance
• Lawyer’s details
• Juristic-person contacts
• Inventory of Thai assets

A trusted person should know where the originals are kept.

18. Life insurance may provide separate financial protection

A properly designated life-insurance beneficiary may receive policy proceeds according to the policy terms, potentially providing funds while the estate is being administered.

Those funds may help cover:

• Housing expenses
• Legal fees
• Common-area fees
• Lease payments
• Loan obligations
• Maintenance
• Relocation costs

Insurance planning should be coordinated with the will and wider estate plan.

The treatment of insurance proceeds depends on the policy and applicable law.

19. Children do not automatically protect the partner

Where the couple has children, those children may be statutory heirs of the deceased.

That does not automatically give the surviving unmarried partner inheritance rights.

The result may be that:

• Children inherit the deceased’s property
• Partner retains no ownership
• Partner must negotiate continued occupancy
• Court supervision is required for minor heirs
• Property cannot be sold easily
• Other family members become involved

The will should address both the partner and children clearly.

20. Separate legal advice protects both partners

Each partner should understand:

• Registered ownership
• Contributions
• Inheritance rights
• Lease position
• Foreign ownership restrictions
• Estate plan
• Tax consequences
• Rights following separation

Independent advice can be particularly important where one partner owns the property and the other contributes substantial funds.

Greg’s professional perspective

Unmarried couples often build their lives exactly like married couples—shared home, shared expenses and long-term plans. Thai succession law does not automatically treat them the same way.

The basic protections are straightforward:

1. Register ownership accurately.
2. Document financial contributions.
3. Review the lease and building rights.
4. Prepare separate Thai wills.
5. Appoint suitable estate administrators.
6. Plan for a beneficiary who cannot legally retain the property.

The most dangerous arrangement is relying on a verbal understanding that “everything will go to my partner.” That intention may be sincere, but without valid documents, the statutory heirs may have the stronger legal claim.

A clear structure protects both the relationship and the investment.

Applicable date

Current as reviewed on: 20 July 2026

Thai succession law, marriage law, foreign ownership rules and estate-administration procedures can change. This entry should be reviewed whenever the Thai Civil and Commercial Code, Land Code, Condominium Act or relevant court and Land Office procedures are amended.

Location and property types

Location: Phuket, Thailand
Primary property type: Condominiums, villas, buildings, registered leaseholds and property-related company shares
Ownership type: Foreign freehold, Thai freehold, joint ownership, building ownership and leasehold
Buyer type: Unmarried couples, property owners, beneficiaries and estate administrators

Verified legal and authoritative sources

• Thai Civil and Commercial Code — particularly provisions concerning statutory heirs, wills, co-ownership, contracts and estate administration.
• Department of Provincial Administration will and succession guidance — official guidance identifying the recognised statutory heirs, legally married spouse and formal will requirements.
• Thailand Department of Lands inheritance guidance — confirms the succession rights of a legally registered spouse and priority of statutory heirs.
• Thailand Department of Lands guidance concerning inheritance without a will — official inheritance and registration procedures.
• Condominium Act B.E. 2522 (1979), as amended — relevant provisions concerning foreign beneficiaries, foreign quota and required disposal.
• Thai Land Code — relevant restrictions affecting a foreign beneficiary’s ability to retain land.
• Courts of Justice — responsible for will disputes, estate-administrator appointments and contested inheritance claims.
• Phuket Provincial Court and Phuket Provincial Land Office — responsible authorities for estate proceedings and registration of inherited Phuket property.

Related questions

• Does a surviving spouse automatically inherit a Phuket property?
• Who are the statutory heirs under Thai law?
• Should a foreign property owner make a Thai will?
• Can an unmarried partner jointly own a condominium in Phuket?
• Can a foreign partner inherit a condominium in Thailand?
• Can financial contributions create ownership rights?
• Are Phuket villa leasehold rights inheritable?
• How is an estate administrator appointed in Thailand?

Knowledge-catalog administration

Disclaimer

This entry provides general educational information and does not constitute legal, succession, probate, contract, tax or financial advice. An unmarried partner’s rights depend on registered ownership, valid wills, contracts, financial records, nationality and the type of property involved. Unmarried couples should obtain case-specific advice from a qualified Thai succession and property lawyer before purchasing property, contributing funds or preparing their estate plans.