A Concept for a steep site

 This was an actual paid job, the site was extremely narrow (about 6m) and on a steep hill. 

The client wanted the building to be against the northern boundary, so the design was driven mainly from the site, as in this plan:

The elevation shows that the design is just 3 box like shapes going down the hill:

The client did not want concrete floors, so this had the effect of lifting the design to allow for inspection of the subfloor.

I did not put a huge effort into the renders, just ones from inside Revit and then pasting them on to pics of the site: