Basement Underpinning 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.

Many older homes in London have basements with ceiling heights under 6’9”, which doesn’t meet Ontario Building Code minimums for habitable space. Basement underpinning lowers the existing foundation and floor to create the ceiling height you need — typically 8’ or more. This is a specialized structural process that involves excavating beneath the existing footings in carefully sequenced sections, pouring new concrete to extend the foundation depth, and then pouring a new floor slab. Our team has extensive experience with underpinning London’s older housing stock, including homes with stone, block, and poured concrete foundations. Every project is engineered by a licensed structural engineer and inspected at every stage.