Modern Basement Apartment Remodel in Thornhill

By Osoba Renos & DesignCompleted 2023Thornhill, Ontario

A modern basement apartment remodel in Thornhill

This Thornhill modern basement apartment remodel turned an underused basement into a fully functional secondary living space with the kind of finishes usually reserved for above-grade rooms. Basement apartments are often treated as utility spaces and given a quick paint-and-vinyl refresh; this project took the opposite approach, treating the basement as primary living space and applying the same material standards as the main floor.

Project gallery
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These photos follow the Thornhill modern basement apartment remodel from open living space with hardwood flooring through refinished staircase connecting back to the main floor, and finished basement at both staircase and apartment ends. Each image highlights a finished space, material detail, or layout decision from the completed project.

Renovation highlights

The design focused on maximizing perceived space in a below-grade footprint: smart storage solutions to keep the floor area uncluttered, efficient lighting to brighten the space, and a continuous flooring choice that visually expands the room. High-end materials were used across visible surfaces — durable engineered hardwood, refinished staircase, and clean baseboards — so the basement reads as a planned living space rather than a finished utility room.

The refinished staircase ties the basement back to the upper floors of the home with consistent tones and trim profiles, removing the visual break that often happens at the top of a basement staircase. The result is a basement apartment that feels comfortable, stylish, and entirely livable — well-suited to modern Thornhill homes that need to support multi-generational living, home offices, or rental income without compromising the daily experience of the lower level.

Location
Thornhill, Ontario
Scope
Basement apartment remodel (main-floor material standards)
Services performed
  • Subfloor prep
  • Engineered hardwood install
  • Staircase refinish
  • Baseboard install
  • Smart storage build
  • Layered lighting install
Materials & finishes
  • Durable engineered hardwood
  • Refinished staircase
  • Clean modern baseboards
  • Layered task and ambient lighting