Getting Married in Thailand: Registration, Documents and the Embassy Step

A legal marriage versus a ceremony

A Thai marriage takes legal effect only when the couple registers at a district office, known as an amphoe. A temple blessing, beach ceremony or hotel event is not legally binding on its own. Many couples register at the office and then hold a ceremony at a venue, and some registrars will marry couples at a chosen venue for a fee, as UK guidance notes.

Step 1: certify that you are free to marry

Thai law requires a foreign partner's embassy to confirm they are free to marry. This is commonly called an affirmation of freedom to marry, or a marital status affirmation, and each embassy has its own procedure. For British nationals, UK guidance says to apply online, pay a fee and book an embassy appointment in Bangkok, with the affirmation issued at the appointment and valid for the month and province stated in the application. Appointments should be booked in advance, and divorced or widowed people must bring their divorce or death documents.

Other nationalities use their own embassies, for example the US embassy for American citizens. Ask yours what it needs and how long it takes.

Step 2: translate and legalise

The affirmation and any supporting documents must usually be translated into Thai by a certified translator and then legalised by the Thai Ministry of Foreign Affairs. UK guidance mentions legalisation of the affirmation and a certified passport copy before registration. Our documents and legalisation guide explains how translation and legalisation work.

Step 3: register at the district office

Take your passport, the legalised and translated documents and any other papers the office requires to an amphoe in Phuket. A Thai partner brings their ID card and house registration. The registrar checks the papers, you complete a form, a short ceremony takes place and you receive a marriage certificate in Thai. Ask the office how many copies you get and whether you need an English translation for later use.

• Phone the district office first, because requirements and appointment rules differ.
• Bring both partners and, where required, witnesses.
• Keep several certified copies of the certificate.

Costs and timing

A UK-focused guide estimates total legal costs for a British citizen at roughly 300 to 1,000 pounds, including embassy fees, translation and legalisation, with the registration itself being cheap. Add costs for the venue and celebration if you hold one. Allow enough time between your embassy appointment and your wedding, because affirmations are valid only for a limited window.

Same-sex marriage

UK guidance says Thailand's marriage equality law allowed registrations from 23 January 2025. Embassy and office procedures for same-sex couples may differ, so ask the district office and your embassy before you apply.

After the wedding

• Report or register the marriage with your own embassy if your country needs it, because some embassies want a translated certificate.
• A marriage can open visa options, such as extensions based on marriage to a Thai national. See the visa hub for the current rules and money tests.
• Update your will, as the wills guide explains, and review your insurance and tax position.
• Plan name changes and passports through your embassy.