It’s not perfect but I am happy with it 
I was struggling with tiles. I guess I got to deep into details which is other level. I was wandering why one window is not displaying? Also very curious which one is better eevee or cycles? I really can’t tell…
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This is a great piece of work. So much work on details. Well done and nice colors too!
The lower one is Cycles!
The window has a too tiny offset from the wall and bleeds into the wall while rendering.
Eevee does not render parts if you don’t see them.
While Cycles, due to light bouncing, need to use everything.
Try the smooting option on the toybase.
Right click object, select smoothing.