Yes plenty of reasons to replace unfortunately. Much of the copper 15mm pipe went a foot up a wall that has been removed so is now suspended in mid air. Also the bendy 10mm pipe to the rads is badly twisted in places and maybe can npot be reconnected to the new rads. So the start and end of the...
In my 1950s bungalow I have a combi boiler. The pipes going from boiler to the main part of the house are 15mm. I recently lifted the floor and noticed they turn into 22mm pipe in sections before turning back into 15mm for the rads.
I am thinking about swapping out the 22mm middle section so...