Expand the Home You Already Love
Expertly built home additions that add space, function, and long-term value.
Exterior & Architectural Matching
Integrated Structural Design
Natural Interior Flow & Continuity
Built to Feel Like It’s Always Belonged
You love your location, but you’ve outgrown your square footage. Whether it’s a dedicated workspace, a guest suite, or a little breathing room, a carefully planned addition should feel like a natural extension of your home.
From second-story expansions to kitchen bump-outs to multipurpose wings, the right addition will deliver the functionality you need without the hassle of moving.
We Expand Your Space While Honouring Its Structure
We manage home additions of every scale in the Kitchener-Waterloo region. Our team coordinates all trades and timelines: permits, foundation, framing, mechanicals, and finishes. With a single point of contact, we keep your project moving and ensure the transition is seamless. The result? A purpose-built addition that feels like it’s always been part of your home.
Featured Home Addition Projects
Browse a selection of our recent projects, from two-storey rear additions to main floor renovations.
What to Expect
01
Initial Consultation
We visit your home to evaluate the existing space and discuss your goals for the addition, intended use, and any zoning or structural considerations.
02
Design & Planning
We define the scope, budget, and timeline, then finalize layouts, materials, structural requirements, and permitting before construction begins.
03
Build & Integration
Once plans are approved, we manage the project from start to finish: coordinating all trades and keeping you informed with weekly progress updates.
Trusted by Homeowners
“We recently hired Berlin contracting for a large project and couldn’t be happier with the results. From start to finish, the team was professional, reliable, and extremely skilled. They communicated clearly throughout the entire process and made sure every detail was done right. Thank you, Simon!”
— Tom and Lori Home Addition FAQs
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We manage the full scope: foundation work, framing, structural modifications, and all finishes including carpentry, flooring, and trim. You work with one team from start to finish.
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We’ve completed additions up to 4,000 square feet, but we work at every scale. Whether it’s a 200-square-foot bump-out or a major expansion, our same attention to detail applies.
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Timelines depend on size and complexity. Most main–floor additions take 6–8 weeks, while larger projects typically run around three months. We provide a clear timeline before work begins.
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Yes. We manage all permits, inspections, and code compliance so you don't have to navigate the process yourself.
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We provide full-service home additions in Kitchener, Waterloo, Cambridge, Stratford, Guelph, and the surrounding region.
Let’s Plan Your Home Expansion
Reach out with questions or to schedule a consultation. We’re here to help!