Transform Your Home with Expert Additions
Custom Home Additions Designed for Comfort and Function
Expand your living space with Lagace Construction — your trusted partner for custom home additions. Whether you need an extra bedroom, an in-law suite, or a full second story, we bring your vision to life with precision and care.
Over 24 Years of Home Addition Experience
Since 2000, Lagace Construction has helped Connecticut homeowners expand their living space with high-quality home additions. With over two decades of experience, we understand the details that make an addition feel seamless — matching materials, managing permits, and ensuring every square foot adds value, beauty, and comfort.
Types of Home Additions We Build
From extra bedrooms to full second-story expansions, Our home additions are designed to blend seamlessly with your existing structure. Our team manages every detail — so your new addition feels like it’s always been part of your home.
🛏️ Bedroom Expansions
Need more space for a growing family? We build custom bedroom additions that increase comfort and property value.
🧓 In-Law Suites
Create a private, accessible living space for loved ones — complete with bathroom, kitchenette, and separate entry.
🚗 Garage Additions
Attached or detached, we design garages that provide security, storage, and long-term value for your home.
🌞 Sunrooms
Bring more light into your life with a sunroom addition — perfect for relaxing, entertaining, or enjoying the outdoors year-round.
Why Homeowners Trust Our Home Additions
When you’re adding on to your home, you want more than just a contractor — you want a builder who listens, communicates clearly, and delivers quality you can see and feel. That’s what we bring to every project.
🏆 Superior Build Standards
We follow proven construction practices and never cut corners. Every addition is built for long-term comfort, safety, and energy efficiency.
👷 Personal On-Site Involvement
You’ll often see the same people at your job site — including the owner. We’re hands-on, not just project managers behind a screen.
📞 Clear Communication
We keep you in the loop with progress updates, next steps, and timelines — no surprises, no radio silence.
Our Home Additions Process
Explore our new home construction services for full-scale building solutions.
Step 1
Initial Consultation
We start with a detailed consultation to understand your needs and preferences, setting the foundation for your project.
Step 2
Design & Permits
Our team handles all design aspects and secures necessary permits, ensuring compliance and a smooth start.
Step 3
Construction & Inspection
From groundbreaking to final inspection, we manage every detail, delivering a flawless addition to your home.
Transform Your Home Today With a Custom Addition
Ready to expand your home with confidence? Whether you’re adding a bedroom, a sunroom, or a full second story, our team brings clarity, craftsmanship, and care to every project. Let’s talk about what’s possible — no pressure, just real answers.