(401) 919-0796Serving Rhode Island & Surrounding Areas

    More Space. Seamless Integration.

    Additions

    When you need more space but love your location, an addition is the answer. Kane Home Improvement builds additions that integrate seamlessly with your existing structure—expanding your home without compromising its character.
    Service Overview

    Additions

    Strategic home additions that expand your living area while maintaining structural integrity and architectural consistency with your existing home.

    Who This Service Is For

    Homeowners who need more room—whether it’s an extra bedroom, expanded living area, home office, or in-law suite—without the cost and disruption of moving.

    KHI's Approach

    Additions require careful planning to match existing rooflines, foundations, and finishes. We handle structural engineering, permits, and construction to deliver a result that looks like it was always part of the home.

    Common Project Types

  1. Room additions
  2. Second-story additions
  3. Bump-outs
  4. In-law suites
  5. Garage conversions
  6. Sunrooms
  7. Home office additions
  8. Why Choose KHI

  9. Seamless integration with existing structure
  10. Proper engineering and permits
  11. Matched finishes and materials
  12. Increased square footage and value
  13. Minimal disruption during construction
  14. Custom design for your specific needs
  15. How It Works

    Our Additions Process

    1

    Feasibility Assessment

    Review your property's zoning, setbacks, and structural capacity to determine what's possible.

    2

    Architectural Design

    Develop plans that integrate with your existing home's style, roofline, and foundation.

    3

    Engineering & Permits

    Secure structural engineering approvals and all required building permits.

    4

    Foundation & Framing

    Build the new foundation and framing, tying into the existing structure.

    5

    Interior Finishing

    Complete all mechanical, drywall, flooring, trim, and paint to match the rest of your home.

    Common Questions

    Additions FAQ

    How much does a home addition cost per square foot?

    Additions typically range from $150-300 per square foot in Rhode Island, depending on the type and finishes involved.

    Absolutely. We specifically design additions to match existing siding, rooflines, trim, and interior finishes for a seamless result.

    In many cases, yes. It depends on your existing foundation and local zoning. We’ll assess feasibility during the consultation.

    Most additions take 3-6 months depending on size and complexity. Second-story additions may take 4-8 months.

    Usually not. We can phase the work to keep your home functional, though there may be some inconvenience during certain phases.

    We research all zoning restrictions and setback requirements before design. If variances are needed, we guide you through the process.

    Yes, in-law suites are one of our most popular addition types. We can include a bedroom, bath, kitchenette, and separate entrance.

    In most cases, yes. Quality additions typically return 50-70% of their cost in added property value, and sometimes more.

    We evaluate your existing HVAC capacity and either extend the current system or add supplemental heating/cooling for the new space.

    We can work with your architect or recommend trusted local architects who specialize in residential additions.

    Ready to Start Your Additions Project?

    Get a free quote and let's discuss your vision.

    Request a Quote

    Ready to Build?

    Get your free quote and let's talk about your project.

    Call (401) 919-0796