Adding bathroom to a house is more expensive per square foot compared to other rooms since it needs specific types of ventilation, heating, plumbing and electricity. It can range from a small half-bath with toilet, sink and mirror to a master bath with spa-like features. The question is how much is the cost to add a bathroom to house?
If you want to convert existing space inside your basement, garage or attic into a bathroom, the cost ranges from $3,000 to $6,000. If you want a luxurious bathroom, it can cost $7,000 to $25,000 or more. If you decide to add bathroom to your house by yourself, the cost of the materials needed start from $500 to $1,500. Keep in mind that it may cost you more, as the cost depends on factors such as the size of the room, fixtures quality as well as other amenities.
If, however, you want to add a new floor space to your house for a basic 6 by 8 feet bathroom, it can cost you between $25,000 and $50,000 or more. The price goes up if the bathroom is more complex, the more amenities added and the more complex the project.
There are additional costs you want to consider as well. By hiring an architect to design the bathroom and adding upscale features or property reassessment.