I’m going through this process at the moment and there has been no requirement to prove I have 62k in the bank. Just need to prove income is above the current threshold. The rest is proof of relationship and living arrangements. We are not using an agent but my wife is a member of a Thai Facebook group that give each other advice and experience of the process.
they were very busy so had to do it in 2 visits. 1st to verify all docs were ok (just walked in) then 2nd visit ( made an appointment) was for the 1 hour video and eye test, received the licences 1 hour later
Eva Air are showing flights every Sunday including one successfully today from BKK to LHR then from the 1st Aug there timetable shows flights will be daily.