The average cost of adding a new shower in your new bathroom is about $5,262.

Adding a bathroom to a house cost. This does not include the cost of building a small room in which to house the toilet. The short answer is $6,500 to $10,000. Value report, a midrange bathroom addition will cost an average of $49,596.

The average cost of adding a bathroom to an existing space is $15,000, whereas the average cost of adding a new bathroom addition is $30,000. An upscale bathroom addition—one with more bells. A bathroom addition costs from $18,000 to $47,000 when building.

The cost of adding a room to a house largely depends on the type of room. Your actual costs for this project will depend on. Cost of adding a room to a house.

Installing a new bathroom to an existing space such as a closet, garage, or an otherwise underused part of your home can drastically increase the amount of available space. For a modest bathroom, your new addition can cost up to $250 per square foot on average. Some estimate the average closer to $15,000.

Obviously, this investment range is just an estimate. Adding a bathroom to your house costs between $12,000 and $85,000. The wide range in cost is based on whether you are converting a room that’s already there or.

The overall cost for adding a bathroom in a basement will range somewhere between $3,000 and $25,000. And this will vary depending on the size, material, and style. Installing a bathroom in the garage might be a bit more.