I haven’t had luck finding any 2np caps as required for this layout. I found out that I would work the same if I put 2x 1np caps In parallel but I’m not sure exactly where to put these in the layout. Would really appreciate your help.
There's room on the vero for the parallel caps without drilling and doubling. The one from row 1 to row 3 has room right next to it, one column to the right. The one from row 1 to row 6 can be doubled by putting another cap from row 6 to row 10 in the column all the way on the right.
Lasermonkey is right, though. Using 2n2 caps would work fine, if you have some. I doubt you'd be able to tell the difference.