GPI Sustainable Design & Construction, LLC.

GPI Sustainable Design & Construction, LLC.
2009 Waterbury Lane
Waxhaw NC
Booth: 712

Company Description:

Founded by the principals, Phillip Ingold and Billie Colley, We are a home construction, and renovation company focusing on kitchen and bathroom remodeling. Armed with an architectural education, design, and 25 years of construction experience, we are here to serve you in both South and North Carolina.

Colley&Ingold have started their renovation journey in 2001. They left their corporate architecture jobs to follow their passion for renovating old houses. Their respect for art, architecture, and history lead them to the path of the construction industry.

​GPI Sustainable gives back to the community. Our latest work was published by
Build It Forward program on HGTV, Second Season, Episode 5.

Show Specials:

a) Free kitchen and bathroom design with a construction contract. b) 50% of the design fees as a construction credit. Limitations will apply.

Certifications & Awards

General Contractors, Nari Members, Best of Houzz 2022 and 2023

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