This is a 5 room house design. A house plan is a set of construction or working drawings (sometimes called blueprints) that define all the construction specifications of a residential house such as the dimensions, materials, layouts, installation methods and techniques. EdrawMax Online is an all-in-one diagramming tool and it provides 280+ types of diagram solutions for business, engineering, and education. Click the diagram to edit it directly or start from scratch with EdrawMax Online.