Overview
Whether you need a primary suite up top or a sun-drenched great room out back, we design and build additions that feel original to the house.
What you get
Process
We pull zoning data and confirm feasibility before fees.
Drawings, committee, and building permits handled end-to-end.
6–14 months depending on scope.
Final occupancy and as-built documentation.
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 — our in-house team manages the full permitting journey.
Continue exploring
Heirloom kitchens designed for daily life and long evenings.
ExploreSpa-grade bathrooms with hotel-quality finishes.
ExploreLower levels that feel like the best room in the house.
ExploreTop-to-bottom transformations under one accountable team.
ExploreHome Additions
A free consultation is the easiest first step. We'll listen, measure, and follow up with a transparent path forward.
