Best for: Just about anyone A room addition, often called a bump-out, involves building a new room attached to your existing layout or expanding an existing room. For instance, you might add a den ...

Considering adding an addition to your home, but want to know how much it will cost? This guide will help you determine the cost of adding an addition to house.

Room Addition (Bump-Out) Cost Estimate: $10,000 to $50,000+ Best for: Just about anyone A room addition, often called a bump-out, involves building a new room attached to your existing layout or ...