You can choose the design of the couch based on the concept of the house so it will fit naturally in the room. Talking about the concept of the room, these days, there are many people use minimalist concept for their house. Not only that it is also durable in term of style, but it is also very simple. There are many types of L shaped couches that can fit with minimalist house. Most of the size of the couches is not too big and with less variation of color. You can choose the couches that are two pieces with two corner tables or one big middle table or three pieces with one of the piece use wood legs. Architecture.