Middle-England and Middle-class

Middle-class and middle-England are semantically related In some cases you can replace phrase "Middle-class" with "Middle-England", this phrases are similar.

Middle-class adjective - Occupying a socioeconomic position intermediate between those of the lower classes and the wealthy.

Middle-England and middle-class are semantically related in bourgeois topic. You can use "Middle-England" instead an adjective phrase "Middle-class".