I am never wholly sure whether upgrades etc. I get are down to Plat or RA but:-
CP Brussels, upgrade to suite
CP Bruges, booked suite no other upgrade or benefit
CP Manchester City, consistent upgrade to club room/Junior suite and Club Access
CP Manchester Airport, club room and lounge access
CP London Ealing, Club room and access as RA, upon availability as Plat
CP LAX, club room and lounge access