Have you tried SketchUp? It's great at architectural modeling. They have a free version, both online and downloadable software, Window and Mac.

https://www.sketchup.com/plans-and-pricing/sketchup-free

I'm a 3D nube and I was making all kinds of stuff the first day. As example, I modeled a hippy house that I built and lived in back in the seventies. Never did save any photos, so it was fun to recreate it in 3D.

https://vimeo.com/441388941