ADU & Garage Conversions in Chapel Hill, NC Builders

ADU/Garage Conversions

We specialize in seamless structural transformations. Our team navigates the complexities of North Carolina building codes and zoning requirements to deliver a functional, high-end extension of your home

Custom Engineering & Architect

Converting a garage or building a detached ADU requires more than just interior finishing—it demands structural mastery. At Peter Thorn Builders, we approach every conversion with a focus on long-term durability and modern aesthetics.

Structural Optimization: We assess your existing foundation and framing to ensure your new living space is safe, insulated, and energy-efficient.
Complete Utility Integration: From advanced HVAC zoning to custom plumbing and electrical layouts, we handle the technical infrastructure required for a fully independent living space.

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Versatile Spaces Tailored to Your Lifestyle

The beauty of an ADU or garage conversion lies in its versatility. We don’t believe in “cookie-cutter” layouts; instead, we design for your specific intent:

Multi-Generational Living: Create a private, accessible “Mother-in-Law” suite that provides independence while keeping family close.
Professional Home Studios: Design a quiet, sound-dampened environment optimized for productivity, separate from the main household distractions.
Income-Generating Rentals: Maximize your land’s ROI with a stylish, self-contained apartment that attracts high-quality tenants in Chapel Hill, Durham, or Carrboro.

What Our Clients Say

We’re proud to have helped countless homeowners transform their spaces. Hear directly from our satisfied clients about their experiences with Peter Thorn Builders.

Peter Thorn Builders built my house in East Chapel Hill in 1998 and in 2024 renovated my bedroom and ensuite bath. The renovation included new plumbing fixtures, quartz tops, lighting, window treatments, wall coverings, and cabinets. They did a great job- we love the house and the reno. Highly recommend!

- Claire-Elisabeth Hartman

The Peter Thorn Team did a wonderful job with our patio/porch renovation. They were detail oriented, thorough, and meticulous in their work. I’d highly recommend them!

- Thomas Buchheit

My kitchen transformation still amazes me every day. Peter’s design was exactly what I wanted and better than I could imagine. He not only listened to what I wanted, he explained so many things to help me understand the design.

- Trish McDermott

If you’re looking for a trustworthy remodeler, this is the one. Honest, efficient, and delivers great results. Thank you peter my wife is super happy with the kitchen you are the best man.

- Aaron Chatman

Peter Thorn Builders is an especially trustworthy and dependable organization. Peter’s team of designers and builders pay attention to what needs to be done and they do it consummately well. We needed to have all three baths in our house upgraded and made accessible to moderately handicapped people.

- Leedom Lefferts

Ready to Elevate Your Property’s Value?

From initial site assessment to the final walkthrough, Peter Thorn Builders provides a transparent, stress-free construction experience. Whether you are planning a Kitchen Remodel, a New Build, or a Custom Conversion, our team is ready to bring your vision to life with precision and care.