Done with the UV-mapping! Next step is windows and doors, which I'll be doing as my catch-up of the substance challenge! The white and gray parts will be textured in Substance Painter!
100% made in Substance Designer and rendered in Marmoset. One substance with plenty of different exposed parameters to control all texture channels. This is just a few examples of what can be achieved with a bit of tweaking. Check it out on Artstation!