Home Addition Builder & Design-Build Contractor in Fairfield County, CT
20+
200+
3D Design
Licensed
Custom Bathroom Renovation
A Better Home Addition Starts With Better Planning
Sunny House Design & Build helps homeowners throughout Fairfield County create additions that feel comfortable, practical, and well-integrated. Our planning-first design-build process brings layout development, floor plans, 3D visualization, budgeting, and construction together under one team.
✓ Seamless Design Integration
We focus on rooflines, proportions, siding, trim, windows, and exterior details so the addition blends with your home.
✓ Design-Build Convenience
One coordinated team helps move your project from first ideas to finished construction.
✓ Local Fairfield County Experience
We understand homes and remodeling expectations in towns like New Canaan, Wilton, Westport, Darien, Norwalk, Stamford, Greenwich, and Fairfield.
We Design Your Addition
Custom Home Addition Services
Room Additions & Bump-Outs
Add a bedroom, office, playroom, mudroom, family room, or expanded living area with a practical layout and clean connection to the existing home.
Second-Story Additions
Create major new living space without moving. We help plan structure, stairs, rooflines, floor plans, and exterior appearance.
Kitchen & Family Room Extensions
Open up the heart of your home with a larger kitchen, dining area, pantry, family room, or indoor-outdoor connection.
Primary Suite Additions
Add a private bedroom suite with a walk-in closet, bathroom, natural light, and a more comfortable layout.
In-Law Suites / ADUs
Create flexible space for family, guests, aging parents, or future living needs with privacy and smart planning.
Garage Additions
Add attached or detached garage space, storage, workshop areas, or finished living space above the garage.
We always Include
Layout Planning, Floor Plans, Blueprints & 3D Design
Before construction begins, we help homeowners visualize the future space through thoughtful layout planning, floor plan concepts, exterior design direction, and 3D visualization.
This helps you understand flow, proportions, natural light, rooflines, materials, and the overall project direction before building starts.
✓ Floor plan concepts
✓ Window and roofline coordination
✓ Room layout development
✓ Design-build coordination
✓ Exterior design concepts
✓ Custom cabnetry
Our Home Addition Design-Build Process
From floor plans to finished construction, we guide each step with one streamlined process.
Consultation
We discuss your goals, existing home, property, style preferences, budget range, and type of addition.
Design & Planning
We develop layout ideas, floor plans, exterior concepts, materials, and 3D visualization.
Clear Estimate
You receive a clear project scope so you understand what is included before work begins.
Construction
We manage permits, demolition, foundation, framing, utilities, finishes, and project coordination.
Final Walkthrough
We review the completed addition and make sure the details are finished properly.
Why Choose Sunny House
A Better Bathroom Starts With Better Planning
Design + Build Convenience
One coordinated team helps you move from ideas to finished construction without managing multiple disconnected vendors.
3D Design Visualization
See layout ideas, tile direction, vanity placement, shower details, and lighting before work begins.
Local Experience
We understand Fairfield County homes and the expectations of homeowners looking for high-quality remodeling work.
Clean, Organized Process
We help protect your home, plan the schedule, and keep the renovation moving with fewer surprises.
FAQ