How to transform an old bathtub into a shower

By Équipe éditoriale

Updated on September 4, 2024

A bathtub can be a serious luxury and a beautiful addition to any bathroom. But when a bathroom is outfitted with an older bathtub and you’d rather have a modern, walk-in shower, it can be an eyesore. In this case, you may be looking to transform your bathtub into a shower and wondering if this is possible.

Luckily, converting an old tub into a shower is fairly straightforward. If you’re ready for a change, this article will offer some considerations for this project as well as an overview of this process.

How to transform an old bathtub into a shower

Modern and bright bathroom with a walk-in shower, wooden vanity, and green plants.

Source : Construction Rubix Inc.

Converting a bathtub into a shower: is it right for your home?

First, it’s important to determine your needs when it comes to your home and family. Bathtubs have their place and are useful when it comes to bathing small children or pets. If you’re living with someone from an older generation, it may be difficult for them to step in and out of the tub over and over again.

Showers are ideal for multi-generational homes, as their modern design is accessible and includes features such as entry ramps, rocker-style light switches, built-in benches, and lever-style door handles. For those with chronic health issues or injuries, this design flexibility is ideal. 

Also, for convenience's sake, a shower allows for a quick soak or rinse. If you’re managing a busy schedule or multiple commitments on a daily basis, then the convenience of a shower may be the right move for your home. 

Will a shower work in your space?

Once you’ve decided that you want to move forward with this project, we’d recommend reaching out to a qualified contractor to discuss whether or not your desired shower will fit in the space. If you get the go-ahead, come up with a plan that includes the size of the shower, location of pre-existing windows, light fixtures, exhaust fan and any additional features you wish to include.

Another important consideration is the current location of the plumbing. If you plan to keep the shower drain in the same location, then this project will move forward swiftly. If you need to move the drain or any plumbing features, the costs of this project will rise and it will become further complicated. 

Would you like to have more space in your bathroom? Check out our article How to optimize space in your bathroom.

Materials for a shower conversion project

Modern bathroom with a glass shower and light wood vanity

Source : Ontera Homes Inc.

If the tub you’re removing is an alcove, you can remove it and should be left with a space that should fit your shower. As mentioned, if your drain line and plumbing will remain in the same place, the materials required for this project will be less. 

Shower stall kits are a low-cost option that is made to fit directly into old bathtub alcoves or corner areas. These kits typically consist of fibreglass or acrylic and they cost anywhere from $500 to $3,000. They will include the following:

  • premade sides;

  • skid-proof flooring with drain hole;

  • glass door;

  • extras such as built-in seats or shelving.

If you’re more interested in custom shower tile, the costs will be a little bit steeper. The starting price for tiles is around $1,000 and can jump to $4,000 depending on complexity, size, tile type, and fixtures you choose. If this project includes custom carpentry or will require you to move the plumbing, the project price will jump even further.

Choosing the right shower size

Once you’ve chosen the materials you want to use, you’ll need to think about the correct size for your shower. First, check with local and municipal building codes and determine whether or not a shower stall has a set size. We’d recommend no smaller than 30 by 30 inches and no larger than 38 by 38 inches. In some cases, you’ll need to add short sections of wall to a tub alcove. Make sure to take careful measurements of the space so that everything can fit correctly. Some tips are as follows:

  • Leave an area of 15 inches minimum measured from the center of the toilet to the wall, though 18 inches is recommended.

  • Leave an area of at least 21 inches from the front of the toilet bowl to the wall, though 30 inches is recommended.

  • The shower door should be able to swing free and clear of all obstructions. If this isn’t possible, consider glass doors or shower curtains.

Would you like to read more on the subject? Read our article Showers: how to choose the right size.

The shower floor: a crucial step

The shower pan is a lot more important than one may initially think. This piece will have an impact on the budget as well as style. There are two basic styles of shower pans on the market: curbed and curbless.

Shower pans with curbs: This model work by forming a complete enclosure that channels the water spray and channels it into the drain. This style of shower floor is generally easier and cheaper to install than a curbless installation.

Curbless shower stalls: These are popular though more difficult to install. This is because the draining slope of the floor must be built below the level of the surrounding floor surface. This will require raising the level of the surrounding floor or lowering the shower pan itself. 

Would you like to continue reading on the subject to be well-prepared for your renovation project? We have two articles to suggest:

Would you like to have an estimation of the cost of your bathroom renovation project? Try our cost calculator!


Get 3 free quotes for your project!

Submit a project and get 3 free quotes!

Looking for something else?

Table of contents

5 min read

Get 3 free quotes for your project!

Submit a project and get 3 free quotes!

Are you a contractor?

Join our network and receive real leads!

Download the price guide for renovations

We’ll be emailing you the latest market price guide for renovations.



Related articles

The latest industry news, interviews, technologies, and resources.

5 min read

Amanda Harvey

07 Nov 2023

How to fix an uneven floor

If you’re walking from one room to another and notice a slant in your floor that falls to the left or right, don’t panic. Although feeling a dip or a sag in your floor might initially bring anxiety, don’t get too bent out of shape about it. Chances are an uneven floor is pointing to a deeper problem, yet although there might not be a quick fix or solution, there are still some methods you can take to deal with the issue.

4 min read

Léa Plourde-Archer

17 Feb 2025

Kitchen Renovation Guide

Are you planning on renovating your kitchen? This process can be long and complicated, as it involves several steps as well as a number of factors that can affect the price, the duration of the work and the durability of the materials.

7 min read

Editorial Team

05 Nov 2024

Interior Designer - Should You Hire a Pro for Your Project?

Sometimes, it can be challenging to navigate all the ideas that come rushing in when you start thinking about renovations.

Design and home decor
8 min read

Editorial Team

11 Jun 2024

Green Walkways Courtesy of Turfstone Pavers

Learn all about turfstone pavers, an eco-friendly and modern solution for your landscaping needs. Whether made of concrete or recycled plastic, these permeable pavers, which were inspired by European innovations, can transform any and all outdoor spaces into genuine works of art. Turfstone pavers make for a sustainable alternative to traditional paving methods, allowing water to seep right through, nourishing the ground. Furthermore, these pavers are super easy to install and are retailed at an affordable price.

Exterior renovations
6 min read

Editorial Team

19 Jun 2024

Why Use Acrylic Parging on Your House?

Acrylic parging—an aesthetic and durable solution—is the number one choice of exterior coating. It can be layered atop various materials, from concrete to brick, with stone in between, and makes for a robust, waterproofing solution for foundations. On account of its ability to withstand weather variations, it doesn’t crack easily, further safeguarding the integrity of buildings. Discover the benefits of such an exceptional exterior coating, as well as its application method.  

Exterior renovations

Looking for a contractor?

Submit a project and get 3 free quotes now!