As an English-American (Yay! I have an "ancient homeland!), I wish there were "nationalistic English" who weren't stereotypical anti-Semites (the few small English separatist movements I'm aware of are pretty scary). Unfortunately, England's identity is invested entirely in the Union, meaning that English identity is utterly submerged in British identity while the Scots and Welsh remain distinctive.
This one is not just for the world cup it has been up in that window for about 4 or 5 years.
Close up of the window
Just posted a photo of a house near me with an England flag in the top window