How Much Does It Cost To Add A Half Bathroom?

Updated: Apr 8



Adding a half bathroom to a home’s design can offer convenience and add to your home’s value. Some reports indicate that a half bathroom may increase the value by more than 10 percent.


So, how much does it cost to add a half bathroom? A small bathroom averages between $2,500 and $10,000 (possibly higher if the half-bath is an addition to the home). Labor and materials will determine the overall cost. Both will impact the total cost of a half bathroom.


What is a Half Bathroom?

Half-bathrooms typically do not include a shower. They contain a toilet and a sink. Years ago, homeowners called their half bath the “powder room.”


Half bathrooms often are in basements, game rooms, or added to a guest room, sometimes at the sacrifice of an existing closet.


What Costs Are Involved in a Half Bathroom?

The most obvious cost is the toilet and the plumbing costs that go with its installation. You might be surprised how the varying costs of a toilet, ranging from about $100 (traditionally white, free-standing, single flush) to more than $10,000 (featuring bacteria-neutralizing ultraviolet light, titanium dioxide-fired toilet bowl, and heated seat, and remote control).


Will you need a new supply line? Are you using an existing floor plan? Will you want a marble countertop or quartz?


Your decisions about the large things and the small things will impact the costs. Luckily, the professionals at ATK have years of experience helping contractors and homeowners plan their home renovation projects.


Labor Involved in a Half Bathroom Installation

Even though installing a half bathroom seems like a small job, the following list reveals what may be involved:

  • Demolition of existing bathroom or removal of an existing structure

  • Wall framing

  • Subfloor removal and replacement

  • Plumbing installation

  • HVAC/ventilation

  • Insulation

  • Finish Carpentry

  • Cabinetry

  • Tile/flooring

  • Paint

  • Material/waste removal

But with home values increasing by at least 10 percent with the addition of a half bathroom, it is a project likely still worth tackling.


Where Should Your Bathroom Plan Start?

Always start with a list of features you want and meet with a contractor to go over your options. Our bathroom remodeling step-by-step guide can help you focus on what your half-bath renovation might entail.


Need inspiration for your half-bath project? Come visit our Design Center, where our professional staff of craftsmen helps local home remodelers and contractors find the products, they need for their home renovation projects, including half bathrooms. We can help with cabinet and countertop installations, too!


We recommend you start by browsing ATK’s huge selection of cabinet and countertops, as well as local millwork options. Contact us to learn more about how we can help your half bathroom make a full impression.


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