Position of a new church at end of street (6)
I believe the answer is:
stance
'position' is the definition.
(stance is a kind of position)
'a new church at end of street' is the wordplay.
'a new' becomes 'an' (I've seen this in other clues).
'church' becomes 'ce' (abbreviation for Church of England**).
'at end of' means one lot of letters go next to another.
'street' becomes 'st'.
'an'+'ce'='ance'
'ance' after 'st' is 'STANCE'.
'of' acts as a link.
(Other definitions for stance that I've seen before include "Attitude - taken by a golfer?" , "Posture, standing position" , "Bearing" , "Attitude (of body, mind)" , "Position, viewpoint" .)