Room Addition

Expand Your Home Without Compromising Its Character

Sometimes, the house you love just needs more room to grow. Whether your family is expanding, you’re craving a quiet office, or it’s finally time for that dream master suite, a custom room addition gives you the space you need—without the stress of moving.

At David Dunn & Sons Custom Carpentry, we build room additions that feel like they’ve always been there. From foundations to roofing, siding to finishes, every detail is designed to blend seamlessly with your existing home, both inside and out.

This isn’t just more square footage—it’s a natural extension of the life you’re already building inside your home.

Why Choose David Dunn & Sons for Room Additions?

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Designed to Match Your Home’s Structure, Flow & Style

We build additions that match your home’s architecture—not just from the outside, but from the inside too.

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Start-to-Finish Owner Involvement

David personally manages every phase of your addition. No subcontractor roulette—just clear communication and experienced hands on every detail.

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Flawless Integration of Roofing, Siding, and Trim

From shingles and siding to fascia and flashing, we ensure everything flows together like it was built all at once.

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Fully Code-Compliant and Professionally Engineered

We handle all permits, inspections, and structural planning—so your new space is safe, sound, and built to last.

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Reputation Built on Referrals

Homeowners in Fort Mill and Sun City know they can count on us for quality, honesty, and craftsmanship that adds value for years to come.

Room Additions We Commonly Build

If you’ve ever thought…
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Primary Bedroom Suites

More space, privacy, and comfort

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Family Rooms or Living Space Expansions

Room for gatherings and everyday life

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Home Offices

Quiet, dedicated spaces to focus and work from home

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Bathroom Additions

Improve function and flow with an extra bath

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In-Law Suites

Independent, private space for aging parents or guests

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Bonus Rooms

Flexible spaces for hobbies, workouts, or entertainment

What’s Included in a Custom Room Addition

David Dunn & Sons carpentry

Custom Architectural Design

We design your addition to flow seamlessly into your existing home layout—inside and out.

David Dunn & Sons carpentry

Foundation & Framing

From slab to structure, everything is built for long-term strength and stability.

David Dunn & Sons carpentry

Siding, Roofing & Exterior Trim

We match your home’s exterior materials so nothing looks patched or out of place.

David Dunn & Sons carpentry

Interior Finishes

We handle flooring, drywall, lighting, doors, windows, and more—ready for you to move in and enjoy.

David Dunn & Sons carpentry

HVAC, Electrical & Plumbing (If Needed)

We integrate every system so your new space is fully functional and up to code.

Room Additions Solve Real Problems

If you’ve ever said:
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We love this house—we just need more space.

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Our kids are growing and we’re running out of room.

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My parents are moving in, and we want them to have their own space.

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I work from home now and need an office that’s quiet and private.

We’re here to build the solution—with care, precision, and the craftsmanship you’d expect from a family-run company with decades of experience.
Room Additions Solve Real Problems
Contact Us

Ready to Start Your Project?

Let’s design something you’ll be proud of for years to come. Whether you're just exploring ideas or ready to build, we’d love to hear your vision.

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Locations

Fort Mill, Indian Land, Lancaster and South Charlotte.