The most common and most likely answer to this crossword clue is the 7 plus 7 letter word WEMBLEY STADIUM
I've seen this crossword clue in Independent
W
E
M
B
L
E
Y
S
T
A
D
I
U
M
Buddy explains!
The straight part
We know that "English ground" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case english ground = wembley stadium.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.