Owning a home in Ontario is a significant achievement, but it’s essential to understand the long-term financial responsibilities that come with it. Beyond the initial purchase price, homeowners should anticipate various maintenance and repair costs over the years. This guide provides an overview of common home repairs in Ontario and their associated average costs, helping you plan and budget effectively.

Common Home Repairs and Average Costs
Repair Type | Average Cost (CAD) |
---|---|
Roof Replacement | $14,000 – $25,000 |
Furnace Replacement | $3,500 – $7,000 |
Air Conditioner Replacement | $4,000 – $8,000 |
Water Heater Replacement | $800 – $1,600 |
Electrical Repairs | $100 – $500 (minor); $1,500 – $3,000 (major) |
Plumbing Repairs | $100 – $300 (minor); $500 – $2,000 (major) |
Foundation Repairs | $1,000 – $10,000 |
Window Replacement | $300 – $1,000 per window |
Siding Replacement | $10,000 – $25,000 |
Deck Addition | $7,000 – $15,000 |
Interior Painting | $5,000 – $15,000 |
Flooring Replacement | $5,000 – $15,000 |
Garage Door Replacement | $1,500 – $4,000 |
Minor Landscaping | $5,000 – $20,000 |
Detailed Breakdown of Common Repairs
Roof Replacement
A typical asphalt shingle roof lasts 15–25 years. If you notice missing shingles, leaks, or sagging, it’s time to consider a replacement. Regular inspections can help catch minor issues early. Work with licensed roofing contractors to get estimates and understand warranty options.
Furnace Replacement
Furnaces have a lifespan of 15–20 years. Warning signs include inconsistent heating, rising energy bills, and frequent repairs. Schedule annual maintenance to extend its life, but when repairs become too frequent, replacement is usually the more cost-effective option.
Air Conditioner Replacement
Air conditioning units last around 10–15 years. Reduced cooling efficiency, unusual noises, and frequent repairs indicate it’s time to replace. Ensure proper sizing for your home and consider energy-efficient models to reduce ongoing costs.
Water Heater Replacement
Water heaters typically last 8–12 years. Rusty water, rumbling noises, or leaks are signs of failure. Replacing with an energy-efficient model, like a tankless unit, can save on utility bills over time.
Electrical Repairs
Electrical systems degrade over time. Flickering lights, frequent breaker trips, or outdated panels are red flags. Minor repairs like outlet replacements are low-cost, but full panel upgrades can be pricey. Always hire a licensed electrician.
Plumbing Repairs
Leaks, low water pressure, or slow drains can indicate plumbing issues. Minor repairs like fixing a leaky faucet are inexpensive, but major pipe replacements can cost thousands. Prevent issues with regular inspections and avoid flushing harmful items.
Foundation Repairs
Cracks in walls or uneven floors may point to foundation problems. Early intervention can save thousands, so watch for water pooling near the base of your home. Waterproofing and proper drainage help prevent serious issues.
Window Replacement
Old or drafty windows can drive up heating and cooling costs. Replacing windows improves energy efficiency and home comfort. Consider double or triple-pane options for better insulation.
Siding Replacement
Faded, cracked, or warped siding not only reduces curb appeal but can allow moisture damage. Replacing siding improves insulation and protects structural integrity. Vinyl and fiber cement are durable choices.
Deck Addition
Adding or replacing a deck boosts outdoor living space and home value. Choose pressure-treated wood or composite materials for durability. Proper maintenance extends the lifespan significantly.
Interior Painting
Over time, walls become dingy or damaged. Fresh paint can transform your space and protect surfaces. DIY is cost-effective, but professional painting ensures high-quality, lasting results.
Flooring Replacement
Floors wear down from daily use. Damaged or outdated flooring can be replaced with hardwood, laminate, or vinyl. Costs vary by material and room size. Quality underlayment can improve comfort and insulation.
Garage Door Replacement
A new garage door improves curb appeal and security. Look for insulated models with modern safety features. Professional installation ensures proper function and longevity.
Minor Landscaping
Well-kept landscaping adds beauty and value. Projects like sodding, planting shrubs, or installing walkways can enhance your outdoor space. Regular maintenance prevents overgrowth and damage to home exteriors.
Planning for the Future
Understanding these potential expenses is crucial for long-term financial planning. Setting aside funds for home maintenance can prevent unexpected financial strain. Regular inspections and proactive maintenance can also extend the lifespan of various home components, saving money in the long run.
Final Thoughts
While the costs associated with home repairs can be substantial, they are a necessary part of homeownership. Being informed and prepared allows you to maintain your property’s value and ensures a safe and comfortable living environment. Consider consulting with professionals for regular inspections and maintenance to keep your home in optimal condition.
For more information on home maintenance and to connect with trusted professionals in Ontario, feel free to reach out to SLG Home Buyer.