Any problem affecting the load-bearing components of a building -- the foundation, beams, columns, load-bearing walls, and floor joists that keep the structure standing. Structural issues can range from minor settling cracks to serious problems like a bowing foundation wall, sagging roofline, or compromised load-bearing elements. They require assessment by a structural engineer.
Why It Matters
Structural issues are among the most expensive problems a home can have, with repairs ranging from thousands to hundreds of thousands of dollars. They can also affect the safety of the home and its insurability. If an inspector flags a structural concern, get a structural engineer involved before proceeding.
Real-World Example
During an inspection of a 1940s detached home in East York, the inspector notices a horizontal crack running along the basement foundation wall, with the wall bowing inward approximately one inch. This pattern suggests lateral soil pressure pushing against the foundation. A structural engineer is called in and estimates the repair cost at $35,000 to $45,000, involving the installation of steel beams and carbon fibre reinforcement. The buyer uses this information to renegotiate the purchase price down by $40,000.
Ontario & GTA Context
Many older homes in the GTA, particularly those built before 1970, have stone or block foundations that are more susceptible to structural movement than modern poured concrete. Toronto's clay-heavy soil can expand and contract seasonally, putting additional pressure on foundation walls. The Ontario Building Code sets structural requirements for new construction, but older homes are grandfathered and only need to meet code when major renovations are undertaken.
How It Works in Practice
If a home inspector flags a potential structural issue, always get a second opinion from a licensed structural engineer before walking away or negotiating. Not all cracks are structural failures, and an engineer can distinguish between cosmetic settling and genuine structural compromise. Expect to pay $500 to $1,000 for a structural engineering assessment.
Common Questions
How much does it cost to fix a structural issue in a house?▾
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