Construction & Renovation: Contractor Disputes Including Workmanship Quality Concerns, Among Other Issues | Anderson Aylwin Begg & Co.


Last Updated: August 23 2026

Question:How can contractors or homeowners in Ontario handle a defective workmanship dispute in Small Claims Court?

Answer:If you’re dealing with alleged defective workmanship or incomplete project work in Ontario (often with the $35,000 Small Claims Court limit per plaintiff), Anderson Aylwin Begg & Co. helps you map the dispute to what you must prove, gather and organize evidence, and prepare for inspection-based findings, witness evidence, and proper valuation of the completed portion of work.   Disputes frequently involve issues beyond workmanship, such as unjust enrichment, consumer protection concerns where applicable, and duty-to-mitigate arguments, so the best next step is to get your project record reviewed early (contract terms, change orders, invoices, photos, and communications) before positions harden.   For contractor vs. property-owner conflicts in courts across Durham Region and beyond, contact (905) 686-8080 to speak with the paralegal team at Anderson Aylwin Begg & Co. about your options and a practical plan for moving the matter forward.

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Common Disputes Affecting Contractors

Construction & Renovation: Contractor Disputes Including Workmanship Quality Concerns, Among Other IssuesLawsuits alleging a failure to pay a contractor for work performed often lead to a counterclaim alleging failure of the contractor to perform the work in a quality manner. These types of cases are among the most common occuring lawsuits within the Small Claims Court. Unfortunately, without professional representation, these cases also often become hotly contested and problematic due to the many legal issues typically involved.

Note: Please contact Anderson Aylwin Begg & Co. by phone at: (905) 686-8080 to discuss any specific questions that you may have.

Challenges

Construction law cases can be very challenging to litigate due to the extent of laws involves as well as the extent of evidence usually involved and the need for independent witnesses to inspect and provide expert reports as to what constitutes as proper workmanship and thus whether the trade standards or the contractual specifications for the project were met, valuation of the portion of work properly completed, among other things; and accordingly, even the seasoned legal professional may find construction law cases as burdensome to litigate. Disputes involving construction or renovation projects are often additionally troublesome as contractors and property owners alike will frequently begin a lawsuit without first obtaining proper legal advice.

Additionally, litigation arising from construction or renovation disputes often extends into legal issues beyond allegations of poor quality of work and also include legal issues such as quantum meruit disputes over the value of partially completed work, consumer rights concerns, mitigation requirements, among other issues.

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