I will look through the rest of your pics in a bit - also wanted to say the outside of the house looks great! The renovation is coming along nicely also - I particularly like the tall baseboard you are installing.
But is that a cast iron plumbing stack on the OUTSIDE of the house (in the last pic you posted) with a vent on top?! How does that even work? Perhaps I'm just naive but I have never seen anything like that. I understand the concept of a plumbing stack but what is preventing the contents from freezing? Not sure where you live, but around here many people have to wrap all pipes, even in basements, to prevent freezing. Sometimes even just being enclosed inside an exterior wall will allow them to freeze.