I just extend my visa (Thai wife) today 18th. My stamp on passport is 22nd. I normally do it min 1 week before. But due to certain reason this year, had to do it much closer than previous few extension
Did you had Thai marriage certificate? If got, can try non-imm (marriage) visa. Renew annually while wait for completion of you Singapore marriage cert
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.