Bathroom Cost Calculator: Building a Small Bathroom with Shower

Mason Jul 20, 2026

The cost of building a small bathroom with a shower can vary significantly based on factors such as location, materials used, and labor costs. But how much exactly should you budget for? Let's break down the costs step-by-step to provide a ballpark figure and help you understand what's involved in creating your dream bathroom space.

15 Smart Ways to Cut the Cost of a Tile Shower Remodel
15 Smart Ways to Cut the Cost of a Tile Shower Remodel

Before we dive into specifics, remember that a small bathroom typically has less square footage than a full bath, which can influence both the cost of materials and labor. Also, building a bathroom with a shower often requires additional plumbing and waterproofing, adding to the overall expense. Let's explore the key components that make up the total cost.

bathroom remodel and cost guide for 5x8 bathrooms
bathroom remodel and cost guide for 5x8 bathrooms

Bathroom Fixtures and Fittings

Fixtures and fittings encompass everything from the shower or bathtub to the sink, toilet, and taps. The prices can range significantly depending on the material, quality, and design.

Bathroom Remodel Costs Break Down
Bathroom Remodel Costs Break Down

For example, a basic showerhead might cost around $20, while a high-end, rainfall showerhead can exceed $500. Similarly, the price of a toilet can vary from $100 for a basic model to over $1,000 for a luxury, high-efficiency toilet.By allocating around 15% to 20% of your total budget to fixtures and fittings, you can expect to spend between $1,000 and $3,000 on these items for a small bathroom.

Shower Stall or Tub

How Much Is a Walk-In Shower Cost? Complete Guide | CRANACH
How Much Is a Walk-In Shower Cost? Complete Guide | CRANACH

One of the primary components of your bathroom is the shower stall or bathtub. While some people prefer bathtubs, many opt for showers due to their practicality and space-saving nature. For a small bathroom, a prefabricated shower stall can be an affordable and easy-to-install option, typically ranging from $200 to $700.

If you prefer a custom-built shower with tile walls and a frameless glass door, the cost can increase significantly, with the total for materials and labor potentially reaching $5,000 or more. Keep in mind that adding features such as a bench or body sprays can also increase the cost.

Countertops, Sink, and Faucet

Here's What New Walk-in Shower Should Cost You In 2023
Here's What New Walk-in Shower Should Cost You In 2023

Countertops can be a significant design element in your bathroom, with materials ranging from laminate ($20 to $50 per square foot) to high-end stones like marble or quartz ($100 to $200 per square foot). On average, expect to spend around $300 to $1,500 on countertops for a small bathroom.

The sink and faucet are other essential components. Depending on the material (porcelain, stainless steel, or copper) and style, the costs for these can vary greatly. Allocating around 5% to 10% of your total budget for these items, you might spend between $500 and $1,500.

Plumbing and Waterproofing

Small Bathroom Remodel Cost UK
Small Bathroom Remodel Cost UK

The plumbing and waterproofing aspects of your bathroom project can significantly impact the total cost. Installing new plumbing lines, running shower and bathtub drains, and providing adequate water pressure can add complexity and expense to your project.

Waterproofing is crucial to prevent moisture damage and mold growth. Professional waterproofing services can range from $2 to $10 per square foot, with labor costs varying by location. In total, expect to spend around 15% to 25% of your budget on plumbing and waterproofing, or approximately $1,000 to $3,000 for a small bathroom.

How Much Does it Cost to Remodel Your Own Shower? | DIY Shower Remodel
How Much Does it Cost to Remodel Your Own Shower? | DIY Shower Remodel
Bathroom Layout Ideas
Bathroom Layout Ideas
How Much Does it Cost to Get a Bathroom? - Remodeling Tips
How Much Does it Cost to Get a Bathroom? - Remodeling Tips
Easy way to build a shower! #diy  #shorts
Easy way to build a shower! #diy #shorts
Small Bathroom Remodel With Shower Only: Honest Lessons
Small Bathroom Remodel With Shower Only: Honest Lessons
The Easy way to Build a DIY Walk in Shower
The Easy way to Build a DIY Walk in Shower
DIY Walk-In Shower Tiling: A Beginner's Guide to Tiling Like a Pro
DIY Walk-In Shower Tiling: A Beginner's Guide to Tiling Like a Pro
How Much Does a Bathroom Renovation Cost?
How Much Does a Bathroom Renovation Cost?
a bathroom with a toilet, sink and shower in it's own stall next to a window
a bathroom with a toilet, sink and shower in it's own stall next to a window

Plumbing Fixture Installation

The cost of installing plumbing fixtures can vary depending on the complexity of the work and your location's labor costs. On average, you can expect to pay between $450 and $900 for professional installation of fixtures like the toilet, sink, and shower. Keep in mind that any plumbing repairs or modifications required during installation can increase this cost.

Additionally, if you need to relocate existing plumbing lines or add new ones, the cost can increase significantly. For example, moving a plumbing stack can cost between $1,000 and $3,500, while adding new plumbing lines can range from $500 to $2,000 or more, depending on the extent of the work.

Waterproofing and Tile Installation

Ensuring your bathroom is properly waterproofed is essential to protect it from moisture damage. The cost of waterproofing materials can range from $50 to $200 per square foot, with professional labor costs varying by location. On average, expect to spend around $150 to $300 per square foot for professional waterproofing, not including the cost of materials.

When it comes to installing tile, square footage and labor are the primary factors affecting the cost. On average, tile installation can range from $6 to $15 per square foot, including materials and labor. For a small bathroom, you might expect to spend between $800 and $2,000 on tile and installation.

Labor and Contractor Costs

While you could attempt some aspects of your bathroom renovation yourself, hiring a professional contractor ensures the work is done correctly and to code. The cost of labor can vary significantly by location and project scope.

According to HomeAdvisor, the average cost of hiring a contractor for a small bathroom renovation is between $2,500 and $10,000, with most homeowners spending around $6,000. This cost typically includes demolition, plumbing, electrical, and finish work. Keep in mind that this figure can vary based on your bathroom's unique needs and the complexity of the project.

Demolition and Site Preparation

Before any new construction or renovation can begin, the existing bathroom will need to be demolished. This process involves removing old fixtures, tiles, and drywall, as well as preparing the site for the new installation. The cost of demolition can range from $1,000 to $3,000, depending on the size of the bathroom and the amount of work involved.

Additionally, you may need to hire professionals to handle the disposal of construction debris, with costs ranging from $150 to $300 per truckload. Be sure to factor these costs into your overall budget.

Plumbers, Electricians, and Specialty Contractors

Renovating a bathroom often requires the expertise of multiple contractors. Plumbers and electricians are crucial to ensure that your fixtures function correctly and safely. The cost of hiring these professionals can vary significantly, with the national average for plumbers ranging from $150 to $650 per job and electricians from $65 to $145 per hour.

You may also need to hire specialty contractors, such as a tile installer or a glass repair professional, to ensure your bathroom features are properly installed. Don't forget to factor these additional costs into your overall budget.

Given all the factors involved, the total cost of building a small bathroom with a shower can range significantly, from $3,000 to $20,000 or more. By understanding the key components and allocating your budget accordingly, you'll be well on your way to creating the perfect space for your needs and preferences. So, what are you waiting for? Start planning your dream bathroom today and turn your vision into a reality.