Moving rad valve across joist for new towel rad

[Cobble]

Swapping existing radiator for traditional type towel radiator and as pipe centres are closer on new rad and I want to keep it central under the window I need to move supply for one valve the other side of a joist below.

Looking at the joist in question there is suitably sized hole already in it right where I need to move the supply. Only issue I see is it's in the last .25 of the joist (almost at eend of joist).

Do I just go the easy route and use existing hole or patch up hole with ply and make new hole in recommended zone? Thinking another hole is a bad idea..

 

[TCCHeating]

If the hole is already there then I would use it. You would probably weaken the joist even more by trying to patch up the current hole and drilling a new one!

When the architect designed the house I am sure that enough tolerance was given so that slightly weakening 1 joist would not bring the whole house down! I wouldn't let it keep you awake at night

 

[Cobble]

Cheers TCC. Think I've been a silly boy to think too hard about this. You're common sense makes sense!