Is transferring funds from my UK bank to a Thai bank sufficient for my Non-O visa application?

From your previous post you recently obtained the 90 day Non-O visa so you will be applying for an extension to that. Your money needs to be in your bank account for 2 full months before you apply. Speak to the immigration office where you got the visa and see what they but most don't require it to show as international transfer for an extension

On March 12th...he posted

Hi I have a 90 day non o visa arrived from uk 2nd march when can i apply for a year visa"

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You need to check with the Khon Kaen office on whether it can show as a domestic transfer OR has to show as an international transfer.

Also what do you mean by your "year Non-O visa" 😕 seeing as there is no such thing sold inside thailand 😮 You either need to get the 90 day Non-O visa first and then after you have 30 days or less left on that 90 day stamp and the funds are seasoned 2 months apply for the year OR you're just applying for another year extension.

What is it you're exactly doing