1. Start with a Systems Approach
Toronto’s harsh winters and humid summers mean your home’s envelope must perform flawlessly. The Canada Mortgage and Housing Corporation (CMHC) emphasizes the “house-as-a-system” method, ensuring changes to one component (like windows or insulation) don’t compromise others. For example, upgrading to triple-pane windows improves energy efficiency but requires proper sealing to prevent moisture buildup in walls.
2. Combat Moisture Early
3. Prioritize Energy Efficiency
Save on rising energy costs with upgrades like spray foam insulation in attics and walls. Pair this with ENERGY STAR® windows and heat recovery ventilators (HRVs) to maintain indoor air quality while reducing heat loss—a must for Toronto’s freezing winters.

4. Choose Durable, Local Materials
Opt for frost-resistant exterior finishes like fiber-cement siding to withstand Toronto’s freeze-thaw cycles. Indoors, use low-VOC paints and mold-resistant drywall to align with CMHC’s Healthy Housing principles.
5. Navigate Toronto’s Permitting Process
Avoid delays by securing permits for structural changes, electrical updates, or plumbing relocations. Our team at Maple Star Builders handles all paperwork, ensuring compliance with City of Toronto bylaws.
6. Plan for Future Flexibility (FlexHousing)
Design spaces that adapt to life changes, such as widened doorways for accessibility or reinforced walls for grab bars. CMHC’s FlexHousing concepts ensure your home grows with your family’s needs.
7. Upgrade Mechanical Systems
Older Toronto homes often have outdated HVAC systems. Replace inefficient furnaces with high-efficiency models and install smart thermostats to optimize heating in winter and cooling during humid summers.

8. Focus on Indoor Air Quality
Toronto’s urban environment demands proper ventilation. Install range hoods vented outdoors and HRVs to filter pollutants while retaining heat—critical for homes near high-traffic areas like the Gardiner Expressway.
9. Avoid DIY Disasters
Structural changes (e.g., removing load-bearing walls) require professional assessment. CMHC warns that improper modifications risk costly damage, especially in Toronto’s century-old homes.
10. Work with Local Experts
Toronto’s unique architecture—from Victorian semis to modern infills—requires builders familiar with local materials and heritage guidelines. MS Builders combines CMHC best practices with GTA-specific expertise for flawless results.
Ready to Transform Your Toronto Home?
Contact Maple Star Builders today for a consultation tailored to Toronto’s climate, codes, and your lifestyle. Let’s turn your renovation vision into reality!
