The baning happens at all times when taps are used and when they are not. I do not have ceramic taps so I do think it could be that the pipes need more supporting. I'll give that a go when I get the support clips and a decent drill to put them into the walls.
I'll let you know it that works...
Yes it was a combi before, the banging as far as I can tell is the hot and cold water pipes I do think it's more the hot water pipe... I have no idea what TRV's are to be honest. Sorry.
Please forgive me if this has already been covered but I cant find anything in search.
I've had a new boiler installed after the last one gave up the ghost and it's a damn sight more powerful than the one I had previously.
Ever since, the pipes have been making a (sometimes) very loud...