Can I replace my bathtub myself?

Replacing a bathtub yourself is technically possible for a handy homeowner, but it's one of the more challenging DIY projects — and the risks of getting it wrong are significant enough that most Ottawa homeowners are better off hiring a licensed contractor.

Why it's harder than it looks: A bathtub isn't just a fixture swap. The tub is typically surrounded by tile or a surround that needs to be removed and replaced, the drain and overflow need to be properly connected to your existing plumbing, and the tub itself needs to be properly supported and leveled. Getting any of these wrong can lead to leaks inside your walls — damage that often isn't discovered until it's caused serious structural harm.

The waterproofing piece is critical. This is where most DIY tub replacements go wrong. The area around your tub needs a proper waterproof membrane before any tile or surround goes back on. Without it, water infiltrates the wall assembly over time, leading to mold, rot, and eventually a much more expensive repair than the original job would have cost.

Permits and inspections in Ottawa are another consideration. If you're making any changes to the drain location, adding new plumbing connections, or doing any electrical work (like a new GFCI outlet or exhaust fan), a permit is required under the Ontario Building Code. Unpermitted plumbing work can create problems when you sell your home.

What you can reasonably DIY is mostly cosmetic — refinishing a tub surface, replacing a faucet or drain trim, or caulking. The actual tub swap, especially with tile work involved, is a job where professional installation pays for itself in avoided water damage alone.

A standard tub replacement with a new surround typically runs $3,000 - $8,000 in the Ottawa market depending on materials. For a free estimate on your specific project, feel free to request a quote from Ottawa Bathrooms — we're happy to walk you through your options.