Probably not by a lot. Since Brexit things have become a lot worse and government seems to have entered a time machine where all imigrants are treated with suspicion and 1970s style strikes are in fashion again.
Going back to the original question the lady in question isn't so young, although I am significantly older, I have no plans to marry her and she takes her family responsibilities seriously.
We are only looking at tourist visas perhaps summer in UK, winter in Thailand.