The day a full price is asked is the day a finished project should be expected.

These words mean nothing to me

That sounds more like a old/cheap construction problem than a shared walls problem. I live in an apartment with solid concrete walls built in the 80s and I never hear my neighbours unless they are full-on screaming, which I’ve only heard happen once.

Hah that’s interesting, a lot of this wiki is quite easy to decipher as a Dutch and English speaker