Do you need a plumber to fit a bath?

Author: Daisha Okuneva  |  Last update: Wednesday, May 13, 2026

An important question when hiring a professional is which to hire. When it comes to bathtub installation, both handymen and plumbers can accomplish the same task, but which is right for you? In general, you want to hire a plumber to install and replace your bathtub.

Do you need a plumber to install a bath?

You shouldn't need a plumber for this unless the water line needs to be replaced. Most general contractors should be able to do this project no problem.

Can you fit a bath yourself?

Fitting a bath might sound like a big job, but with the right tools and a bit of guidance, it's a DIY task you can take on yourself.

How much does it cost for a plumber to install a bathtub?

Permits and Labor

You may need to hire professional installers for your tub project. Labor charges could range between $100 and $2,000 for new bathtub installation, depending on your project. You'll need to hire a licensed plumber to alter the existing pipes.

Is it a big job to replace a bathtub?

Replacing your bathtub is a big project. Whether it's for aesthetic reasons or functionality, bathtub replacement should be a carefully planned project.

Step-by-Step Guide For Installing a Bathroom

Can a handyman install a bathtub?

When it comes to bathtub installation, both handymen and plumbers can accomplish the same task, but which is right for you? In general, you want to hire a plumber to install and replace your bathtub. Plumbers are required to apprentice for at least 2-4 years before being licensed.

How much do bath fitters cost?

The cost to fit a bath runs a national average of $5,000 for materials and installation. The typical price ranges from $3,000 to $7,500, depending upon the type of material you choose and the size of the bathtub.

How long does it take a plumber to install a bathtub?

On average, a professional can typically complete a bathtub replacement in one to two days. However, it can take longer if the project requires additional work such as modifying the plumbing or making repairs to the surrounding walls.

What plumbing is needed for a bathtub?

Once your tub is installed, you must pipe in your water valve and supply piping. From there, connect the bathwaste and overflow system to the sanitary system by connecting the piping to the P-trap. This process will vary depending on whether the pipes are in the floor joists or in the wall.

Is it hard to install a bath?

Replacing an old bath with a new one is relatively straightforward as long as the water supply and pipes require minimal alterations. For baths with panels, flooring adjustments are usually unnecessary. However, for freestanding baths, install the flooring before fitting the bath to achieve a polished look.

How long does it take to fit a bath?

The time required for a bathtub installation depends on various factors. The skills and experience of the person installing it to the time taken for the removal of an old bathtub determine the installation time. Generally, it should not take more than 3-5 hours. But in case of unforeseen complications, it may increase.

What do you put under a bathtub for support?

Spray foam under a bathtub boosts energy efficiency and supports the tub. It also prevents water damage.

What fittings do I need for a bath?

Let's look at the most important ones among these.
  • Bath Shower Screens. A bath shower screen ensures that water remains in the bathing area only. ...
  • Bath Panels. A bath panel hides the plumbing and underside of your bath. ...
  • Bath Wastes. A Bath Waste is an important component of your bathtub. ...
  • Bath Taps. ...
  • Bath Shower Mixer Taps.

Is bathtub part of plumbing?

Rough plumbing involves installing all of the water lines, sewer lines and bathtubs. Tubs are normally installed early because: One-piece shower-and-tub units are big and often cannot be maneuvered into place later in the construction cycle.

Can I do my own bathroom plumbing?

While it's possible to plumb an entire bathroom yourself, at least part of this job really should be left to the pros. Rough-in bathroom plumbing is not easy DIY work. If you don't properly install the water lines or drainpipes, you could end up with a leak inside your walls, resulting in significant damage.

What is the difference between a plumber and a bathroom fitter?

If you're replacing your bathroom, then you'll likely need both a bathroom fitter and a plumber. Plumbers take care of the overall plumbing system, so they'll need to manage any plumbing pipework requirements and connections, whereas your bathroom fitter will focus on the bathroom installation itself.

Can a plumber install a bath?

They have the skills and experience to install bathtubs correctly and safely and will know of any necessary permit requirements. Tools: Plumbers have specialized tools to complete a bathtub installation. General contractors might have tools that will do the job.

Do bathtubs and toilets share a drain?

Since toilets and baths don't use the same water type, most people want a separate drain for each fixture. However, they can share the same drain if you set up a common vent and connect their existing drains with PVC connectors.

Do plumbers replace bathtub faucets?

Plumbers will indeed install a new faucet in your bathroom. In fact, if the plumber was already at your house dealing with a leaky faucet, they may be able to do that replacement the same day.

Can a bathtub be replaced in one day?

Premium quality acrylic tubs and walls are custom made to ensure a perfect watertight fit. They're installed right over your existing bath and wall in as little as one day.

Do you install tub or drain first?

We recommend putting the drain assembly together first before securing your tub to the studs. This makes the installation easier…and lessens the likelihood of you tearing out your hair (just keeping it real).

Can you negotiate prices with bath fitters?

Negotiating with Bath Fitter or independent contractors can lead to potential cost savings or additional benefits like discounted materials or waived fees, as they may be willing to accommodate your budget or offer incentives to secure your business.

How much does it cost to install a full bath?

Adding a bathroom costs homeowners an average of $37,000–$74,000. See which factors will impact your total cost. Mark Howey is a licensed California building contractor with more than four decades of experience in the construction industry.

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