If it was just my wife and I, sub 1500 would be plenty. We did a studio apartment for years without discomfort.

It's not about the style. Scroll down. note1lpqhtl5rr82mj3fc4dulc82s5s8fcjf2gfpdd5tzl6jkcttmlhqq79a2kk

I've seen the video where they build this container home. It's a bit too narrow for me though.