Not sure if this is the page. But I have a Thai girlfriend. I'm 56 she is 51 . She applied for UK visa and got it within 3 weeks.
I've heard lots of stories that it's failed for other people.
I think it's down to the person you want to invite.
My girlfriend has 3 properties a son that is graduating and has a good job.
Ties to having to go back to Thailand is important.
Without ties you may struggle to get your girlfriend here.
TLDR : Answer Summary
The conversation discusses the factors impacting the success of UK visa applications for Thai partners. It emphasizes the importance of proving ties to Thailand, such as property ownership and stable employment, which can enhance the likelihood of visa approval. Multiple commenters share their experiences, noting that past travel history, age, and financial stability are critical in obtaining a visitor visa. Some mention the variability in outcomes even among seemingly strong applicants, suggesting a degree of luck in the process.