There are many designs of barndominiums that you can choose, and one of them is L shaped barnominiums. The L shape will make the house get more rooms and will also feel bigger than the regular square or rectangular barndominiums. So basically, it is a barn that is changed and decorated to be a house to live. This kind of house is growingly popular to the people living in the country, especially in Texas. Texas is the place where barndominium is originated. Ideas & Inspirations.