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What You Need to Know About Converting Half Baths Into Full Baths

May 14, 2025

Like most homeowners, you must have wondered, “Can you convert a half bath to full?”

The short answer is yes! 

It’s possible with the right planning. In fact, you should think about a half bath to a full bath conversion if you’re considering a bathroom remodel. 

Converting your half bath into a full bath offers many benefits, from increasing the value of your home to improving its functionality and comfort. This is something Lifespan Bath Remodel specializes in. 

In this post, we’ll explain everything you need to know about a half bath to full bath conversion.

Half Bath and Full Bath: What Are They 

A half bath typically consists of only two essential features: a toilet and a sink. These small spaces are often ideal where a full bathroom might not be necessary, like near a living room or entryway. They’re convenient for guests but lack the more private features of a full bathroom, such as a shower or bathtub.

On the other hand, a full bath includes at least four key components: a toilet, sink, bathtub, and shower. It’s the most common bathroom setup in American homes and provides greater flexibility and convenience. A full bath is perfect for families and offers a private space for bathing and showering.

Why Convert a Half Bath to a Full Bath?

Some homeowners want to convert a half bath to a full bath to increase functionality, while others do it to increase home value.

1. Increased Home Value

A full bath is one of the most sought-after features in a typical home. If you’re planning to sell, a full bath is one of the ways to increase your home’s resale value, as many buyers prefer having at least one full bathroom.

2. Better Functionality 

Adding a shower or bathtub to your half bath makes it more practical for daily use. For families, it’s much more convenient to have an additional bathing option without having to share a bathroom.

3. Increased Privacy 

A full bath can be used by family members who need a private space for showering or bathing, making the home more functional, especially for larger families.

4. Modernization 

Converting a half bath into a full bath is a simple way to update your home and improve its overall design. Whether you’re looking to refresh the space or make it more stylish, a full bath gives you more opportunities for creativity.

The Process of Converting a Half Bath to a Full Bath

Converting a half bath to a full bath is no small task, but it can be done with the right planning and expertise. The process typically involves:

1. Assess the Space

The first step in converting a half bath into a full bath is inspecting the space available. Hire a bathroom remodeling contractor to see if there’s enough room for the additional features, such as a bathtub or shower. Many half baths are small, so adding a full bath may require some reconfiguration.

2. Plumbing

A key part of the conversion involves plumbing. A full bath typically needs additional plumbing to accommodate a bathtub or shower. You’ll likely need to extend or install new pipes for hot and cold water lines.

3. Electrical Work

Installing lighting, outlets, and, in some cases, an exhaust fan requires electrical work. A full bath may also require a GFCI (ground fault circuit interrupter) outlet for safety near water sources. Depending on your design, you may also want to install additional lighting or a heated floor system, which will need proper wiring.

Choosing Fixtures

Once the space is ready, it’s time to select the fixtures. You can choose between adding a bathtub, shower, or a combination of both. For smaller bathrooms, a walk-in shower might be the best option to save space. But if you have a room, a bathtub is a great way to add luxury and appeal.

4. Installation

After selecting your fixtures, the next step is installation. This includes fitting the bathtub or shower, installing the necessary plumbing and electrical connections, and ensuring everything works correctly. A professional bath remodeling contractor should handle this part to comply with building codes and safety standards.

5. Finishing Touches

Finishing touches include installing tiles, painting the walls, adding storage solutions, and accessorizing the space with shelves, towel bars, or mirrors. You can choose a design that complements the existing style of your home or create a completely new look.

How Much Is the Cost of Converting a Half Bath to a Full Bath?

So, how much does it cost to replace a half bath with a full bath? The answer depends on several factors, including the scope, the size of the space, and the materials chosen.

Basic Conversion

You may have to spend between $5,000 and $10,000 for a simple half bath to full bath conversion. This might include the cost of installing a shower, updating plumbing, and adding necessary fixtures.

High-End Conversion

If you’re opting for premium materials, a high-end shower, or a luxury bathtub, the price can rise to $15,000 or more. Custom finishes, upscale tiles, or a more extensive remodel will increase the cost.

Unexpected Costs:

Additional costs can arise if you encounter plumbing or electrical issues during the conversion or if your space requires significant structural changes. You should budget for these potential surprises.

Is Half Bath to Full Bath Conversion Worth the Investment?

Whether converting a half bath to a full bath is worth the investment depends on your goals. This conversion can be a great choice if you want to increase your home’s value, improve functionality, or make your bathroom more convenient. Many homeowners find that the benefits far outweigh the cost, especially considering the added comfort and appeal of a full bath.

Final Thoughts 

Converting a half bath to a full bath is a practical solution to improve your home’s functionality, increase its resale value, and improve your daily life. Whether you’re adding a tub or shower, the conversion process will give you a bathroom that suits your needs. It may involve some upfront costs, but the long-term benefits of a full bath are well worth it.

At Lifespan Bath Remodel, we’re experts in converting half baths to full baths. We can also help you with flooring, wall surrounds, and more. If you’re ready to take the plunge, contact us today to get started!

Questions? Talk to a Pro.

We beat any competitor by $100! Call for details. (801) 532-2000

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Russ Tychsen
Lifespan customer interested in Walk-in tub
Affordable luxury bathroom remodeling services in Salt Lake City and all of Utah.

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