The Mathersfield Project Transforms a Rosedale Home in Toronto
Amy Duong — May 14, 2026 — Art & Design
References: samsacksdesign
The Mathersfield Project is a renovation of a 4,600-square-foot semi-detached townhouse in the Rosedale neighborhood of Toronto, designed by Sam Sacks. The existing floor plan divided the living and dining areas from a sunken kitchen and family room at the rear. Sacks relocated and enlarged the structural opening between the two zones, installing custom steel and glass bifolding doors at the threshold. Versailles-pattern oak floors were laid across the ground level, while high traditional baseboards and custom plaster crown molding were added to the principal rooms. A low-profile beamed ceiling unifies the kitchen and family room.
The staircase was rebuilt from scratch, replacing boxy pickets with a continuous white oak handrail and powder-coated metal posts. On the main floor, the powder room features a hammered brass pedestal sink set against Venetian plaster walls. The primary ensuite incorporates white Volakas marble, Venetian plaster, and zellige tile, while the third-floor ensuite is finished in lime green marble.
Image Credit: Sam Sacks
The staircase was rebuilt from scratch, replacing boxy pickets with a continuous white oak handrail and powder-coated metal posts. On the main floor, the powder room features a hammered brass pedestal sink set against Venetian plaster walls. The primary ensuite incorporates white Volakas marble, Venetian plaster, and zellige tile, while the third-floor ensuite is finished in lime green marble.
Image Credit: Sam Sacks
Trend Themes
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Open-plan Heritage Integration — Blending expansive sightlines with restored period details creates opportunities for new retrofit approaches that respect historical fabric while delivering contemporary spatial flows.
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Custom Metal-glass Thresholds — High-performance bifolding steel and glass systems used as prominent interior thresholds suggest demand for engineered glazing solutions that merge structural robustness with refined aesthetics.
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Material Mashups and Texture Layering — Contrasting finishes like Venetian plaster, zellige tile, and multiple marbles indicate a market for curated composite surfaces and supply chains that enable bespoke, mix-and-match luxury palettes.
Industry Implications
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Residential Renovation — High-end townhouse overhauls that reconfigure circulation and unify floor levels point to business models centered on integrated design-build services for heritage properties.
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Luxury Materials Manufacturing — A rising appetite for artisanal plasters, patterned oak floors, and exotic marbles signals scalable opportunities for manufacturers offering customizable, small-batch premium finishes.
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Architectural Hardware and Glass Systems — Demand for slim-profile steel frames and large folding glass assemblies highlights potential for specialized hardware firms to develop smarter, lighter, and more thermally efficient operable systems.
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