Home Additions

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When your Denver home no longer meets your family’s needs but you love your neighborhood and lot, a home addition is often the ideal solution. Alton Construction specializes in designing and building seamless home additions throughout the Denver metro area that look and feel like they’ve always been part of the original structure.

From master suite additions above garages to full second-story additions, room extensions, and sunroom construction, our home addition team delivers exceptional results in Cherry Hills Village, Cherry Creek, Greenwood Village, Littleton, and throughout Denver. We handle everything from architectural design and permits to the final coat of paint.

Types of Home Additions We Build in Denver

Alton Construction builds a wide variety of home additions for Denver homeowners. Master bedroom additions with en-suite bathrooms are among our most popular projects ??? adding the primary suite you’ve always wanted without the stress and cost of moving. We also build family room additions that open to existing kitchen areas, sunrooms and three-season rooms, mudrooms and laundry additions, garage conversions and above-garage additions, and complete second-story additions.

Every home addition project begins with careful structural assessment to ensure the new addition is properly tied into the existing foundation and framing. We work with structural engineers as needed to ensure every addition meets Denver building codes and will stand for generations.

Why Choose Alton Construction for Home Additions?

Our Process

Site Assessment

We evaluate your lot, existing structure, and zoning requirements to determine the best addition design.

Design & Engineering

Architectural plans and structural engineering drawings completed and submitted for Denver building permits.

Foundation & Framing

Foundation work, framing, and weatherproofing completed by our experienced construction crew.

Interior Finishing

Electrical, plumbing, HVAC, drywall, flooring, and all interior finishes completed to match your home.

Frequently Asked Questions

Home addition costs in Denver vary widely based on size and scope. A small room addition (200???400 sq ft) typically costs $80,000???$150,000. A full second-story addition can range from $200,000???$400,000+. We provide detailed free estimates for all addition projects.

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