Overview
Legal secondary suites, home theatres, wine cellars, gyms, and family rooms — engineered for warmth, light, and acoustics.
What you get
Process
Structural and permit review before pricing.
Layouts optimized for ceiling height, light, and flow.
10–16 weeks for a full finish.
We coordinate all municipal inspections.
A recent project
Client voices
Priya S.
Forest Hill, Toronto · 2 months ago
"Halcyon designed and built our kitchen and primary bath. The drawings matched the build to the millimetre. Best contracting experience we've ever had in 18 years of owning Toronto homes."
Kitchen + Primary Bath
Daniel M.
Oakville · 3 weeks ago
"They handled the second-storey addition, permits, and the committee of adjustment. Came in on budget. Crew was respectful of our kids' schedule every single day."
Home Addition
Janelle K.
Leslieville · 1 month ago
"Took our cramped 1920s row house and opened it up beautifully. The new beam disappears into the ceiling. Light pours through. I think about it every morning."
Open Concept Conversion
Free quote
FAQ
Yes — we specialize in compliant second-unit conversions across the GTA.
Continue exploring
Heirloom kitchens designed for daily life and long evenings.
ExploreSpa-grade bathrooms with hotel-quality finishes.
ExploreSeamless extensions — second storeys, rear additions, garden suites.
ExploreTop-to-bottom transformations under one accountable team.
ExploreBasement Renovations
A free consultation is the easiest first step. We'll listen, measure, and follow up with a transparent path forward.
