Your illuminated sections are too flat. There is no hot spot on the letters from the neon, also Illuminated textures for the windows need more depth. Try imagining where the light source would be and add a radial gradient going from that spot. Another great way to do this is by take a picture of a window at night, study…
@Fastcarver Thanks for the tip. I agree, it does look quite flat. I'll throw some more work into them. Update! I have created more buildings with reused assets to make it more of a scene. I might add some tall low-poly buildings in the back ground. Things I still want to add is a vehicle and more litter around the…