If I look at windows that I like, they don’t have a centered window opening but rather 1/3 vs 2/3. I have seen this ratio in both windows with a sill height as well as narrow windows (e.g., bathrooms). Does anyone have this? Is my estimated ratio correct?
Your opinion is correct. One does not halve in the optics, but rather orients itself to the golden ratio. (1/3 2/3 rule)