Legal Basement Apartments in St. Thomas, ON

St. Thomas homeowners are increasingly turning to legal basement apartments as a way to offset mortgage costs and provide affordable housing in the community. As the Railway City continues to grow with new industrial development, rental demand is rising steadily. Our team brings the same quality and attention to detail to every St. Thomas project, handling permits, design, and construction from start to finish.

A legal basement apartment is one of the smartest investments a homeowner in London, Ontario can make. With rising housing costs and strong rental demand, a properly permitted second suite can generate $1,200–$2,000+ in monthly rental income while adding significant value to your property. Our team handles every aspect of the conversion — from initial feasibility assessment and architectural drawings to permit applications, construction, and final inspection. We ensure your second suite meets all Ontario Building Code requirements including separate entrances, fire separations, egress windows, ceiling heights, plumbing, electrical, and HVAC. Whether you’re converting an existing finished basement or starting from scratch, we make the process straightforward and stress-free.