As a registered home inspector in Bramalea, I've walked through hundreds of homes over the years, an

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Aamir Yaqoob, RHI

RHI Certified · OAHI Member · InterNACHI · E&O Insured

April 7, 2026 · 4 min read

As a registered home inspector in Bramalea, I've walked through hundreds of homes over the years, and I've noticed some clear patterns in what tends to need attention. The good news is that most issues I find are manageable when you know what to expect. Today I want to share the five most common problems I encounter during home inspections in our community, along with realistic cost ranges so you can plan accordingly.

Aluminum wiring tops my list, and for good reason. Many Bramalea homes built between 1965 and 1975 were wired with aluminum instead of copper, which seemed like a smart choice at the time due to copper shortages. The challenge is that aluminum expands and contracts more than copper, leading to loose connections that can create fire hazards. I regularly find overheated outlets, flickering lights, and that distinctive smell of burning plastic around electrical panels.

The fix typically ranges from $8,000 to $15,000 for a complete rewiring, depending on your home's size and layout. Some homeowners opt for the less expensive pig-tailing method, where copper wire pigtails are attached to existing aluminum wiring at connection points. This runs about $2,000 to $4,000 but requires ongoing monitoring.

Poly-B plumbing is another frequent discovery in homes from the 1970s and 1980s. These gray plastic pipes were popular because they were inexpensive and easy to install, but they've proven problematic over time. The pipes become brittle, and the fittings are prone to failure, especially where they connect to fixtures. I've seen everything from minor leaks behind walls to complete system failures that flood basements.

Replacement costs vary significantly based on accessibility and home size. A full Poly-B replacement typically runs $6,000 to $12,000 for an average Bramalea home. The silver lining is that most insurance companies now require this upgrade, so it's often a condition of sale that gets negotiated between buyer and seller.

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Foundation issues are particularly common here due to our clay soil conditions. I regularly spot horizontal cracks, step cracks in block foundations, and signs of settlement around window wells. The freeze-thaw cycles we experience don't help matters, as water infiltration can worsen existing problems. Most foundation concerns I document are manageable, but they need professional assessment.

Repair costs depend heavily on the severity and location of cracks. Minor crack sealing runs $300 to $800 per crack, while more extensive foundation repairs can reach $3,000 to $8,000. Waterproofing systems, when needed, typically cost $4,000 to $10,000 depending on the scope of work required.

Roofing wear is something I encounter on nearly every inspection, which makes sense given our harsh winters and strong summer storms. Asphalt shingles typically last 20 to 25 years in our climate, but I often find issues like missing granules, curled shingles, and compromised flashing around chimneys and vents. Ice damming damage is particularly common on north-facing slopes.

A complete roof replacement ranges from $8,000 to $16,000 for most Bramalea homes, depending on size and material choices. Partial repairs might cost $1,500 to $4,000, but I always recommend getting multiple quotes since prices can vary significantly between contractors.

HVAC system failures round out my top five, and they're especially noticeable during extreme weather months. I frequently find aging furnaces with cracked heat exchangers, ductwork problems, and inefficient systems that struggle to maintain consistent temperatures throughout the house. Air conditioning units often show refrigerant leaks or compressor issues after 15 years of service.

Furnace replacement typically costs $3,500 to $6,500, while air conditioning units range from $2,500 to $5,000. Ductwork modifications can add another $1,500 to $3,000 to the total project cost.

Just last month, I inspected a lovely 1970s bungalow where the sellers had already addressed the aluminum wiring and Poly-B plumbing after my pre-listing inspection. The buyers were thrilled to find a home where the major systems had been properly updated, and the sale closed smoothly within three weeks. It's a perfect example of how addressing these common issues proactively can benefit everyone involved.

Remember, finding these issues during an inspection isn't necessarily a deal-breaker. Knowledge is power, and understanding what needs attention helps you make informed decisions about your investment. Whether you're buying or selling, addressing these common concerns head-on typically leads to better outcomes for everyone involved.

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