Upon receiving your application, it takes within 10 working days to get your visa (the processing begins after we receive your required documents). The processing time can take longer in certain cases.
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FYI— Monday, 13 October 2025 was a Public Holiday for the Thai Embassy in London and also in Thailand
as it would be Retirement Extension Stamps to be transferred, some Thai Immigration Offices may request to see an updated bank book or fresh bank statement....
only if married to a Thai Spouse....in this particular case, the OP and his wife are both foreigners (Hong Kong Passports), thus not applicable and each would have to have 800k Baht each