Best for: Adding a single room to the home.
A room addition or bump out is a single room structure built onto the side of a house. It is usually meant for a single function, such as a bedroom or bathroom. Sometimes it only expands the size of a single room in the existing house.
A room addition or house bump out is an addition scaled far down. It might be another 50 square feet added to your kitchen so that you can squeeze in a kitchen island. Or, you might cantilever a few more feet out into thin air to turn a cramped dining area into a comfortable place to eat and socialize. Room additions and bump outs often lay down a new roofline, employing a shed style or flat roof.
While these types of additions are less expensive than full-size, conventional additions, they are not cheap. They are still subject to building codes, permits, and inspectors. They require a foundation—an expensive project itself. So, it’s not unusual for a room addition to cost upwards of $50,000.
