Thanks for the replies..
I know the 212 is the king for replacement stock cooler so I was looking at 212 Black Edition for £30 or RGB Black Edition for £37.
Although the RGB fan would be a nice addition I read its louder than normal Black Edition.
https://www.overclockers.co.uk/cors...n-fan-cpu-cooler-ct-9010003-ww-hs-03w-cs.html