Bathroom renovations often start with a simple expectation: a smaller bathroom should cost less to renovate. With less space, fewer materials, and a smaller layout, the project seems like it should naturally be more affordable. But once renovation quotes start coming in, that assumption can quickly fall apart.
Over my 18 years of experience in bathroom renovations in Ottawa, I’ve seen many homeowners surprised to learn that the size of the bathroom doesn’t always determine the cost of the project. In fact, some smaller bathrooms can be just as complex to renovate as larger ones.
That’s because many parts of the renovation process remain the same regardless of the room’s size. Below, I’ll break down the key differences between renovating a small bathroom and a large one, including what goes into each project and what factors actually influence the overall cost.
Bathroom Renovation Basics: Small vs. Large Spaces
At first glance, bathroom size seems like the most obvious factor influencing renovation costs. While the size of the space does play a role, it doesn’t always determine the final price as much as many people expect. A smaller bathroom may require fewer materials, but the renovation process itself still involves several important steps that remain the same regardless of square footage.
Tasks such as waterproofing the wet area, adjusting plumbing, installing fixtures, demolition, and finishing details all require skilled labour and careful preparation. Because of this, a smaller bathroom doesn’t always translate to a significantly lower renovation budget. Preparation of work, drying times, and installation processes remain relatively similar whether the bathroom is compact or spacious.
This is why the overall scope of the renovation and the materials chosen often to have a bigger impact on the final cost than the size of the bathroom alone.
What Goes into a Small Bathroom Renovation
Small bathrooms are common in many Ottawa homes, especially in older properties with compact layouts. These spaces are often limited in size, sometimes around 5 ft by 7 ft, which leaves less room for fixtures and storage.
Even with a smaller footprint, renovating a small bathroom still involves many of the same steps as renovating a larger one. A typical renovation may include:
- Removing old fixtures and materials
- Waterproofing the shower or bathtub area
- Installing new shower or bathtub wall systems
- Updating fixtures such as faucets, toilets, or vanities
- Installing tile or modern wall surfaces
- Improving lighting and ventilation
A large portion of the renovation work also happens in the wet area of the bathroom, which includes the shower or bathtub space. This section alone can account for about 60-70% of the overall bathroom renovation, since it requires proper waterproofing, specialized materials, and careful installation.
What Goes into a Large Bathroom Renovation
Large bathrooms provide more design flexibility, but they can also involve additional elements that make the renovation more complex. While the core renovation work is similar to smaller bathrooms, the larger space often allows for more features and customization.
A large bathroom renovation may include:
- Double vanities for added storage and functionality
- Walk-in showers with larger shower areas
- Expanded tile coverage across floors and walls
- Additional lighting, mirrors, or storage solutions
- Layout adjustments to better use the available space
Because there is more room to work with, large bathroom renovations often include upgraded materials, additional fixtures, and more customized design features. These additions can require more materials and installation of work. Larger bathrooms also involve more design decisions and planning, as extra features, layout changes, and expanded surfaces can add time and complexity to the renovation process.
Side-by-Side Comparison
Understanding the differences between small and large bathroom renovations helps homeowners plan more realistic budgets. While both projects involve similar construction processes, the scale and design possibilities vary.
| Feature | Small Bathroom | Large Bathroom |
| Average Size | Often around 5 × 7 feet | Typically larger layouts with more floor space |
| Renovation Scope | Focus on maximizing limited space | Allows for more features and layout flexibility |
| Fixture Options | Compact fixtures are often needed | Larger vanities, tubs, or shower areas possible |
| Renovation Focus | Efficient use of space and storage | Integrating multiple features into the layout |
While large bathrooms typically cost more overall, smaller bathrooms can sometimes feel surprisingly expensive because the core work involved remains similar.
Factors to Consider Before Renovating Your Bathroom
Before beginning any bathroom renovation project, you should carefully evaluate your priorities and space limitations.
Here are several key considerations:
- Your long-term plans: If you expect to stay in your home for many years, it’s best to prioritize comfort, functionality, and features you’ll actually use rather than focusing solely on resale trends.
- Fixture sizes: Choosing fixtures that fit the space is important. Oversized vanities, toilets, or storage units can make a small bathroom feel cramped and reduce usable space.
- Ventilation and moisture control: Proper ventilation helps remove excess moisture and prevents issues like mold or mildew. A reliable exhaust fan is essential for maintaining a healthy bathroom environment.
- Lighting and color choices: Good lighting, lighter color palettes, and reflective surfaces such as mirrors can help make smaller bathrooms feel brighter and more spacious.
- Material quality: Durable materials and proper waterproofing systems help protect the bathroom from moisture damage and ensure the renovation lasts for many years.
How Our Bath Specialists Transform Your Bathroom
At Bytown Better Bathtubs and Showers, we begin every bathroom renovation by understanding the space, the renovation goals, and the overall needs of the project. This helps us plan a design that works well with the layout while maintaining both functionality and long-term durability.
Our renovation process typically includes an initial consultation and inspection, design recommendations suited to the space, careful selection of materials and fixtures, and professional installation of the shower or bathtub system. We also place strong focus on the bathroom’s wet area, which requires proper waterproofing and specialized installation since it often represents a large portion of the renovation work.
Bathroom Renovation Cost Estimate
Bathroom renovation prices can vary widely depending on the materials, layout, and overall scope of the project. Even bathrooms that appear similar in size can end up with very different renovation costs
Factors That Affect Final Pricing:
- Materials and fixtures: Higher-end vanities, tiles, and faucets increase costs.
- Shower or bathtub upgrades: Wet areas often make up a large portion of the budget.
- Labor and installation: Skilled trades affect the overall renovation price.
- Layout changes: Moving plumbing or walls adds complexity.
- Custom features: Glass showers, shelving, or specialty tubs raise costs.
Stop Guessing, Start Planning
A bathroom renovation, whether small or large, is a major investment in your home. The key isn’t just choosing the right size or design but working with professionals who understand how to maximize your space and budget.
At Bytown Better Bathtubs and Showers, our specialists combine expert craftsmanship with premium materials to create beautiful, durable shower and bathtub renovations for Ottawa homeowners. From compact bathrooms to spacious master suites, we focus on solutions that enhance comfort, style, and functionality.
Get Your Bathroom Renovation Estimate Today
Curious about what your bathroom renovation might cost? Try our free online pricing estimator today – it’s quick, simple, and gives you a ballpark quote in seconds.
If you’re ready to start planning your bathroom upgrade, contact us at info@bytownbath.ca or call (613) 746-8055. Our team is here to help you transform your bathroom into a space you’ll love.
Estimate Your Bathroom Renovation Cost Now
