Cost to Plumb a Bathroom
Plumbing a new bathroom can cost anywhere from $1,000 to $10,000 depending on how close it is to existing plumbing and how complex the job will be. The farther away it is and the more complex it is, the more you’ll pay. It’s best to place your new bathroom near existing plumbing. Otherwise, the cost of running new lines to your bathroom can dominate your budget.
Cost factors include:
Layout and location of existing plumbing. The closer and simpler the configuration, the less it’ll cost. Also, sometimes the plumbing closest isn’t large enough to support added lines and a new one must be run from the main line. Adding a shower and/or a bathtub could affect water pressure or hot water capacity. Check the capacity of a traditional gas/electric water heater, or the hot water capacity range (gallons-per-minute) of a tankless/instant water heater.
Septic tank capacity. Some municipalities have set minimum tank sizes for residential homes, but most measure by number of bedrooms instead of number of bathrooms. Be sure to ask your plumbing professional.
Type of foundation. Crawlspaces and basements allow easier access to run new lines.
Electrical Bathroom Fitting Cost
Adding electrical for a new bathroom costs anywhere from $1,000 to $10,000. You’ll save most of your electrical costs if you use an existing space with existing circuits.
Cost to Install a Shower or Tub
A bathtub or shower costs anywhere from $500 to $10,000. Installing a jetted tub or whirlpool can add another $10,000. For a full, high end master suite with jetted tub and tiled shower with glass doors, you’ll spend $10,000 to $25,000 on the fixtures and installs.
You’ll pay a plumber or contractor $45 to $200 per hour for the labor. Finishes alone, like showerheads, can cost anywhere from $15 to $600.
Toilet, Sink, Cabinet, Vanity & Fixtures
The average cost to install a toilet ranges from $300.00 to $500.00, depending on who supplies the toilet. A bathroom sink or vanity averages from $600.00 to $1,200.00 including both materials and labor. You’ll pay varying prices depending on the quality of the fixtures and finishes you choose.
Toilet installs: $300-$500 total. Most toilets cost about $100-$200. You can choose your own or have your pro choose it for you.
Sink installation costs: $225-$600. One of a kind pieces can cost $500-$5,000, such as hand hammered copper or carved stone.
Faucet: $150-$350 with luxury options running $500 and more.
Light: $150-$900 each. Most baths have one or two – a vanity light and an exhaust fan light.
Exhaust fan installation costs: $250-$550. The higher the price, the quieter it is and the more air it moves.
Vanity: $500-$4,000. Most vanities run $500-$2,500.
Cabinets: $400-$3,000 . You won’t find many cabinets in a bath, usually just one for linen and storage.
Towel racks: $30-$100.
Backsplash and Tiling
A tile backsplash install costs $600 to $1,400 on average. Master baths might end up paying $2,000 or more, depending on:
Material choice. Stone tiles cost far more than ceramic or porcelain.
Size & Coverage. Some bathrooms get floor to ceiling tiling, which costs thousands more than just one or two tiles up from the counter or floor.
Flooring installation costs $1,500 to $4,500. Tile flooring costs $900 to $2,900 on average. You’ll want to choose something resilient and waterproof. Tile, bamboo, waterproof engineered hardwood and vinyl make the best choices.
Linoleum: $3-$5 per square foot. Waterproof and cheap but not exceptionally durable.
Luxury Vinyl Plank: $5-$10 per square foot. Waterproof and mimics the look of hardwood.
Marble: $16-$18 per square foot. Hard to maintain and slippery when wet unless you’re using small tiles to create a textured surface.
Ceramic or Porcelain: $3-$15 per square foot depending on brand, style and size. It’s durable, easy to clean and naturally germ resistant.
Permits cost $50 to $2,000 depending on your location and what projects you’re doing. You’ll often need permits for electrical, framing, drywall, plumbing and some finishing’s. Permitting requirements vary from place to place, so check with your local code enforcement office. You need a permit if you are going to:
Alter the existing floor plan
Make structural changes such as adding doors or windows
Install new ductwork or reroute existing
Relocate or install new electrical or plumbing fixtures
Bathroom Addition Value Estimator
Adding a bathroom to you home increases the value by 10% to 25% depending on the size of the bath, the finishing’s you choose and where you live. Evaluate your reasons for adding a bath before setting your budget as some upgrades have a better ROI than others. Discuss values in your area with a local realtor.
Some value estimates to consider when budgeting include:
Half bath adds about 10% to your home’s value.
A full bath adds 15% to 25% to your home’s value.
You’ll usually recover 60% to 70% of your bath install investment when you sell.
It’s tough to sell a home with a single bath. Adding one not only increases the overall value but makes it easier and quicker to sell.
Bathroom Remodel Cost Considerations
Bathroom remodels cost $6,000 to $15,000. It’s less expensive because the walls, plumbing, HVAC and electrical is already in place, you’re just updating the fixtures and look.
How much does it cost to add a small bathroom?
Adding a small bathroom costs $5,000 to $35,000 depending on whether it goes into an existing space or you add on.
What's the cheapest way to add a bathroom?
The cheapest way to add a bathroom is in an existing space that already has electrical, HVAC and plumbing installed. The two cheapest areas are a basement with the rough in work done or a laundry room conversion.
Can you add a bathroom anywhere in a house?
You can add a bathroom anywhere in your house you want. But it’s usually most cost effective to do it where water lines, drains and electrical circuits already exist.
Also, consider the distance from the hot water heater to the bathroom. An under-sink electric water heater ($750 to $1,250 installed) will save a lot of water over time. For houses that pay for municipal water and sewage, the under-sink heater will make up much if not all of its cost.
How much does it cost to build a master bedroom and bath?
Master suite additions cost $21,500 to $65,000 on average.
Can you add a bathroom to a house with concrete slab foundation?
You can add a bathroom to a house with a concrete slab foundation, but your contractor might need to get creative with running new water and sewer lines.