Replacing a toilet is one of the most common and cost-effective bathroom upgrades. Modern toilets use significantly less water (4.8L or less per flush vs 13L+ for pre-1996 models), are easier to clean, and improve bathroom aesthetics. Total toilet replacement cost in Ottawa includes the toilet unit ($200–$2,000+), installation labour ($150–$400), removal and disposal of old toilet ($50–$100), and any necessary plumbing modifications ($0–$500). For a straightforward replacement on existing plumb...
Standard two-piece toilet: $200–$500. The most common and affordable option. Tank and bowl are separate pieces bolted together. Easy to transport and install. Brands like American Standard, Kohler, and TOTO offer excellent models in this range. The American Standard Cadet ($250–$350) is one of the best-selling toilets in Ottawa. One-piece toilet: $350–$1,200. Tank and bowl are a single unit — cleaner lines, easier to clean, and a more contemporary appearance. Heavier to install (60–100 lbs). Po...
Standard replacement: $150–$400 labour for a plumber to remove the old toilet, inspect the flange, install a new wax ring (or wax-free gasket), set the new toilet, connect the water supply, and test. Takes 1–2 hours. Flange repair or replacement: $100–$300 additional. If the existing toilet flange (the fitting in the floor that the toilet connects to) is cracked, corroded, or not level with the finished floor, it must be repaired or replaced for a leak-free installation. Rough-in measurement: ...
Water savings: Replacing a pre-1996 toilet (13L+ per flush) with a modern high-efficiency toilet (4.8L or dual-flush 3L/4.8L) saves approximately 30,000–50,000 litres of water per year for a family of four. At Ottawa's water rate, that's $100–$180 per year in water and sewer savings. WaterSense certification: Look for the WaterSense label — these toilets use 4.8L or less per flush and are independently tested for flush performance. All major brands offer WaterSense models. City of Ottawa progr...
A standard toilet replacement costs $400–$800 total (toilet unit plus plumber labour). Toilet units range from $200 for basic to $2,000+ for smart toilets. Installation labour is $150–$400.
Toilet replacement is one of the more accessible plumbing DIY projects if you're comfortable with basic tools. However, improper installation can cause leaks (water damage) or sewer gas entry. If unsure, a plumber's $150–$400 fee is good insurance.
Toilet bowls last 25–50+ years. Internal components (fill valve, flapper, flush valve) need replacement every 5–10 years ($10–$50 in parts). Replace the entire toilet when it's cracked, constantly running after repairs, or when upgrading to a water-efficient model.
TOTO, American Standard, and Kohler are the top three brands. TOTO offers the best flush technology. American Standard offers excellent value. Kohler offers the widest design options. All three are widely available at Ottawa plumbing supply stores.