Beyond the
baseline.
High-performance custom homes in London & Southwestern Ontario — engineered beyond code and blower-door tested on every build.
Film — Zenith Bespoke
The building-science system that brings certainty to construction and delivers measurable performance in every home we build.
Precise, verified, and built to endure.
Every residence is crafted with advanced building science — structurally uncompromising, aggressively energy-efficient, and verified by blower-door test on every build.
Learn MoreWe approach construction as a single interconnected system. From moisture management to verified infiltration rates, one team owns every detail from design to handover.
Learn MoreThe building envelope system that eliminates guesswork.
Multiple air barriers, double-caulked plates, taped seams, and continuous exterior insulation, integrated as one system. We connect design, framing, and verification to eliminate deviations in comfort, cost, and performance — turning a house into a measured, repeatable result.
Bespoke homes engineered to your site
One-of-a-kind homes designed around how you live and how your land performs — from the envelope out. Blower-door tested and guaranteed 1.5 ACH50 or better.
Learn MoreSelected work
The guarantees behind every Starlit home.
Every home is blower-door tested and guaranteed at 1.5 ACH50 or better — our portfolio average is 0.85, roughly three times tighter than a code-minimum build.
Building-Science GuideBuild with building science on your side.
Tell us about your project and we'll advise on the fit, the site, and the right level of performance for your goals, budget, and timeline — then build it, verified, from the envelope out.
Start a ProjectLet's build.