What is your actual question? Because if someone replies "yes" then that answers your question and clearly isn't what you want to know. So ask your actual question.
That is a little more complicated than it sounds. That's because you would need to leave Thailand after the initial non-O entry was running out, and if you wanted another non-O you would need to apply from a nearby embassy or consulate.
I assume your passport qualifies for visa exempt, so a better plan is probably to apply for the non-O before you leave for Thailand. Then after 90 days do a border bounce and return visa exempt (no visa) and then you'll receive a 60 day stamp. Apply for the 30-day extension from immigration, which will give you a total of 180 days, same as 2 non-O visas but will not require the extra non-O visa application.
but at least for LTR they'll accept most any insurance policy that meets their requirements, unlike with the non-OA that only accepts policies from an approved list of Thai companies.
not for the that embassy. But the UK embassy in Thailand doesn't certify income so there's no possibility of using any income for your first extension in Thailand.
Anonymous participant 937 Nong Khai was the easiest border in Thailand until recently. If you want a corrupt border look at Poi Pet before they closed the borders.