Yeah, its leaking from outside the pipe (kinda thought that was obvious from my first post).
I don't think it condensation as the heating only has to be on for a short while.
Also as I poured water down the pipe earlier it ran straight down the pipe to the drain with no problems. I have just...
I have the above boiler. Water keeps dripping down the plastic condensate pipe when I have the central heating on.
I have taken the front of the boiler off and removed the condensate container/trap and poured coloured water down the condenser pipe to see if there are any obstructions or leaks...