Addon Auto Blueprint can work with Archipack (but provided that all mesh is joined) it is unstable and crash Blender. For the moment, I left the tests.
I do the test without addon Auto Blueprint.
Some test results, for the moment I have not yet found the right setting for the roof.
(all you have to do is make linesets that are grouped and then put each object in the group to associate it with a style.)
DXFWriter addon
LibreCAD:
For printing to scale, I used version 0.8 of the addon: render2print