Project Small House
Factory Select Homes 12×32 Ft Single Wide Redland 378 Square Feet · 1 Bed · 1 Bath,Champion Homes Sunrise Series If you want ideas, see how they have laid out some of the single wide trailers. Most of them are 14 or 16 feet wide, but some are 12 feet wide if you look. factoryselectmh.com/single-wide-floorplans
Serenity Container Home with optional door in the side Bruce Family Container Homes - The container is 8-feet wide. One end has a living area. This photo includes an optional additional door. The bar is moved to the living area. The heat pump/air conditioner is over the bathroom door.