Street with field at the end, not common (7)
I believe the answer is:
strange
'not common' is the definition.
(strange means rare or not common)
'street with field' is the wordplay.
'street' becomes 'st' (abbreviation).
'with' means one lot of letters go next to another.
'field' becomes 'range' (I've seen this in other clues).
'st'+'range'='STRANGE'
'at the end' is the link.
This may not be right. Some or all of it may belong to another bit of the clue.
Can you help me to learn more?
(Other definitions for strange that I've seen before include "Odd kind of garnets" , "Irregular" , "Different" , "Super for a couple here" , "Extraordinary" .)