we get a confirmation from any Amphur, just look up the computer and check wife is down to still being married, what happened to Thailand 4.0 joined up database!!!
Why did you not simply withdraw £2,000 and return £1,500 every month since you stopped your employment, could do that now and say you had unpaid leave fro a trip to Thailand.
2 years ago I applied for a visa via Glasgow consulate upon entry applied for full married visa with 400,000THB.
Do you have sufficient funds above your £10K in UK bank account?