Elevate Your Business with Our Construction Services

At Champion Construction GRP, LLC, we specialize in commercial construction, offering full renovations, upgrades, and essential repairs. Discover how we can elevate your businesses with superior craftsmanship and attention to detail. Let us help you achieve your goals!

Expand Your Living Space with Custom Additions

New Orleans homeowners know the challenge: you need more space, but moving isn’t an option. Whether you want a guest suite for family visits, rental income from an ADU, or simply room to grow, home additions and ADUs in New Orleans offer the perfect solution. At Champion Construction GRP, LLC, we specialize in large-scale home additions and accessory dwelling units that seamlessly blend with your existing home.

Our team handles every detail: framing and carpentry, drywall finishing, flooring installation, and all the structural work that ties it together. We’ve built additions throughout New Orleans, Metairie, Kenner, and surrounding areas, delivering the quality and attention to detail that transforms your vision into reality. Don’t settle for less space. Let’s build the home addition or ADU you’ve been planning.

Build Large-Scale Home Additions & ADUs in New Orleans, LA

Every project starts with your goals: extra bedrooms, rental income, or multigenerational living. We handle the full scope from foundation to finish.

When you choose home additions and ADUs in New Orleans, you get a team that manages every phase of construction. We begin with structural framing and carpentry that integrates with your existing roofline and foundation. Next comes precision drywall finishing, matched texture and paint, and flooring installation that flows seamlessly from old space to new. Because New Orleans sits in a high-humidity climate, we build with moisture-resistant materials and proper ventilation from day one.

Whether you’re adding a 400-square-foot guest suite or a detached ADU contractor-built unit with its own entrance, our process ensures your addition looks original to the home. You’ll work directly with our crew throughout framing, electrical rough-in, insulation, and final trim, so there are no surprises. Every home addition or accessory dwelling unit we complete in Metairie, Kenner, and surrounding areas meets local building codes and is designed to last decades.

Why Our ADU and Home Addition Work Stands Apart

Building a home addition or accessory dwelling unit in New Orleans requires more than standard construction skills. Our crew brings specialized carpentry, drywall, and flooring expertise to every large-scale addition we build. We understand how South Louisiana’s high water table and seasonal storms affect foundation planning, so we design drainage and site grading that protect your investment year-round. New Orleans lots often present tight setbacks and narrow access, and we’ve navigated these constraints on dozens of projects across Metairie, Kenner, and the greater metro area. When you work with an ADU contractor who knows the local permitting process, climate considerations, and architectural styles that fit your neighborhood, the result is a finished space that looks like it was always part of your home. Our approach combines structural integrity with finish-level detail, so your addition delivers both function and lasting value.

Skills and Experience That Deliver Seamless Results

• We handle every aspect of large-scale home additions and ADUs, from framing to final flooring, using proven carpentry techniques and moisture-resistant materials suited to Louisiana’s climate.
• Our drywall finishing matches existing textures precisely, so transitions between old and new spaces are invisible once paint is applied.
• Flooring installation extends your existing surface or introduces new materials that coordinate perfectly, creating a cohesive flow throughout the expanded home.
• We work directly with local inspectors and permitting offices in New Orleans and surrounding parishes, keeping your project on schedule and compliant with all building codes.
• Our crew coordinates electrical, plumbing, and HVAC rough-ins during the framing phase, eliminating delays and ensuring systems integrate smoothly before walls close.
• You receive regular progress updates and walk-throughs at key milestones, so you always know what’s happening on your property and can make decisions in real time.
• Every accessory dwelling unit and home addition we complete is built to last decades, with attention to structural detail that protects against humidity, settlement, and storm exposure common to the Gulf Coast.