Please don’t think that “Keeping up Appearances” is a good example of a British comedy show. It’s like saying “Blade: the Series” is the best horror-genre show in America (!)
“One Foot in the Grave” is the apogee of that sort of Gentrified Middle Class sit-com.
Best Brit series and probably best World ‘series’ is
the Brit sitcom ALLO ALLO about the French resistance during WWII.
Kind of like Hogan’s Heroes but incredibly wittier and cleverer.