What bathroom renovation costs in the Greater Toronto Area

A bathroom renovation is one of the most requested projects in the Greater Toronto Area, and it’s also one of the easiest to underestimate. Between demolition, plumbing, tile, and fixtures, the cost swings a lot depending on choices most homeowners haven’t thought through before they start calling contractors.

Here’s what actually drives the number, using typical GTA pricing patterns.

Typical price ranges by scope

For a standard bathroom around 60 square feet, roughly the size of a 3-piece bathroom, Toronto Renovation Guide’s own cost estimator puts the ranges at:

Scope	Typical range (C$)	What’s included
Cosmetic refresh	11,200 – 15,800	New fixtures, tile, paint, same layout
Full renovation, same layout	19,400 – 27,400	New tub/shower, vanity, tile, flooring
Full gut, plumbing moved	26,500 – 37,400	Everything above, plus relocated plumbing

Add roughly 30 percent on top of any scope if you’re choosing premium or designer fixtures instead of standard ones. Larger bathrooms scale up close to linearly with square footage, so an 80 square foot ensuite will run higher than a 40 square foot powder room even at the same finish level.

What actually moves the price

Plumbing location. Keeping the tub, toilet, and sink where they already are is the single biggest cost saver. Moving any of them means cutting into walls or the floor slab to reroute supply and drain lines.

Waterproofing. A shower that isn’t waterproofed correctly is the most common source of callbacks in this trade, and it’s not an area to cut corners on. Expect a proper membrane and slope-to-drain as a line item, not an afterthought.

Fixture tier. Standard fixtures from a big-box supplier and designer fixtures from a specialty showroom can be double the price for what looks, at a glance, like the same tub or faucet.

Age of the home. Older homes across Toronto, Mississauga, Markham, Richmond Hill, and Etobicoke sometimes hide outdated wiring or plumbing behind the walls, which only shows up once demolition starts. A contractor who has worked in older GTA housing stock will usually flag this risk before signing a contract, not after.

Hidden costs that catch homeowners off guard

Permit fees, disposal fees for old fixtures and tile, and temporary bathroom access (if it’s your only one) are easy to leave out of a rough budget. If your home has only one bathroom, some contractors can sequence the work to keep a toilet functional for part of the project, but ask about this directly rather than assuming it’s included.

Structural surprises are the other common source of budget creep. Rotted subfloor under an old tub, undersized electrical for a heated floor system, or a vent stack that needs rerouting are all things that only show up once demolition starts. Building a contingency of 10 to 15 percent into your budget covers most of these without derailing the project.

How to keep a quote honest

Ask for a written, itemized quote that separates labour, materials, and fixtures, rather than one lump number. That makes it possible to compare two contractors’ bids on the same basis, and it gives you a paper trail if the scope changes partway through. It also makes it obvious where a low quote is cutting a corner, usually waterproofing or electrical, rather than genuinely being a better price.

Get at least two quotes for anything beyond a cosmetic refresh. A wide spread between quotes for the same described scope is a signal to ask more questions, not automatically pick the cheaper one.

Financing the project

Most homeowners pay for a bathroom renovation out of savings, a home equity line of credit, or a personal renovation loan. A HELOC typically carries a lower rate than an unsecured loan because it’s tied to your home’s equity, but it also means the debt is secured against your house, so borrow only what the project needs.

Our methodology explains how we score and vet the contractors listed in this directory, including how pricing transparency factors into a business’s ranking.

If you’re planning ahead for an aging parent or your own long-term comfort at home, an aging-in-place bathroom renovation adds its own upgrades, like curbless showers and properly anchored grab bars, on top of these baseline ranges.

A bathroom renovation is a good example of a project where the cheapest quote and the best value aren’t the same thing. Spend the extra time comparing scope, not just the bottom line number, and the number you end up paying should match the number you were quoted.