Basement Renovations in St. Thomas, ON
Legal basement apartments, underpinning, waterproofing, and complete renovations in St. Thomas and surrounding areas.
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.
Whether you're looking to create a legal basement apartment for rental income, finish an unfinished basement for your family, or address foundation and waterproofing issues, Legal Basements London provides professional, fully-permitted basement services throughout St. Thomas and the surrounding area.
Our Services in St. Thomas
Legal Basement Apartments
Convert your basement into a fully permitted, code-compliant second suite that generates rental income and increases your property value.
Basement Underpinning
Increase your basement ceiling height by lowering the floor — essential for meeting building code requirements and creating livable space.
Basement Waterproofing
Eliminate moisture, leaks, and flooding with interior and exterior waterproofing solutions that keep your basement dry year-round.
Basement Finishing & Renovation
Transform your unfinished or outdated basement into beautiful living space — family rooms, home offices, gyms, media rooms, and more.
Egress Windows & Emergency Exits
Install code-compliant egress windows that provide natural light, ventilation, and safe emergency exits for basement bedrooms.
Basement Bathroom Installation
Add a full or half bathroom to your basement with proper plumbing, drainage, and ventilation — essential for legal suites and comfortable living.
Foundation Repair
Fix cracks, bowing walls, settling, and structural damage to protect your home’s integrity and prevent costly future problems.
Other Service Areas
Ready to Make Your Basement Legal?
Get a free consultation and site assessment. We'll evaluate your basement's potential and provide a detailed, no-obligation quote.