Without overhangs and gutters, you are going to have a lot more water exposure to your siding, windows and doors which will definitely affect longevity. In a s

Without overhangs and gutters, you are going to have a lot more water exposure to your siding, windows and doors which will definitely affect longevity. In a snow climate, this is even worse. The concerning part is all the exposed windows, which aren't sealed to the framing at the bottom. There's a much larger chance of water ingress.