What it means
A visa extension — technically an "extension of stay" — is permission granted by Thai immigration to remain in Thailand beyond the date of your original admission stamp without leaving the country. Extensions are processed in person at your local immigration office (Jomtien Immigration for Chonburi Province residents) using Form TM7. Annual extensions are the most common type, covering Non-O retirement and marriage, Non-OA, Non-OX, Non-B employment, and Education ED visa holders. The DTV has a different extension mechanism: a single 180-day in-country extension per entry rather than annual renewal. Extension fees are ฿1,900 for most categories. The date on your admission stamp — not your visa expiry — controls when you must file. An overstayed extension, even by one day, triggers a ฿500/day fine and marks your immigration record.
Why it matters in Pattaya
The annual extension queue at Jomtien Immigration is the central event in Pattaya's expat immigration calendar. Thousands of retirees, married couples, DTV holders, teachers, and business owners queue at Building A each year to submit their extensions. Queue management is by numbered ticket; arriving after 09:00 on Monday or the day after a Thai public holiday risks not finishing before the lunch closure (typically 12:00–13:00). The most important preparation principle is to understand your exact document checklist before the appointment — a rejected extension for a missing document means another full-day visit. The Jomtien office website (chonburi.immigration.go.th) publishes current document checklists, though these can differ slightly from what officers request in practice.
When you need it
- Non-O retirement: Annually, with ฿800,000 bank balance seasoned 2–3 months or ฿65,000/month income documentation, medical insurance confirmation, and current TM30.
- Non-O marriage: Annually, with ฿400,000 bank balance or ฿40,000/month income, full marriage evidence package, and current TM30.
- DTV: One 180-day in-country extension per entry, extendable after the initial 180 days expire within Thailand.
- Education ED: 90-day increments with attendance records from the sponsoring institution.
- Non-B employment: Annually, tied to work permit validity and employer's continuing Thai registration.
- LTR: 5-year stamps (two per 10-year visa) — annual Jomtien visits not required for LTR holders.
Common mistakes
- Bringing a bank letter older than 7 days. Immigration requires a letter from your Thai bank issued no more than 7 days before the appointment. Get it the morning of your appointment or the prior working day.
- TM30 outdated. Your current Pattaya address TM30 must be on file and not expired. Extensions are refused at the counter if TM30 is missing or shows a previous address.
- Incomplete passport copies. Copy every stamped page, the biographic page, and any visa sticker pages. Officers cross-check entry and exit history against extension eligibility.
- Joining the wrong queue. Jomtien has separate queues for extension applications, 90-day reports, and special services. Confirm the correct queue with security on arrival.
See Jomtien Immigration guide for address, hours, queue tips · Expiry countdown tool to track your extension date.
Related terms
TM30 · 90-day report · Re-entry permit · Non-O · Non-OA
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