Proper House Design + White Rabbet Carpenters

Company Description:

Proper House Design Co. is a full-service interior design studio based in Chester County, Pennsylvania, specializing in thoughtful, highly detailed residential design. Led by founder and principal designer Hilary Hays Greenhalgh, Proper House creates elevated spaces that balance beauty, function, and family living. Every project follows a refined, structured process—from initial concept to construction coordination—resulting in homes that feel personal, polished, and enduring.

White Rabbet Carpenters is a custom finish carpentry studio serving the Main Line and Chester County area. Founded by craftsman James Greenhalgh, the company specializes in high-end built-ins, trim work, and architectural details that bring craftsmanship and character to every home.
Each project is designed and built with precision—combining traditional woodworking techniques with a refined, modern aesthetic. From custom libraries and mudrooms to paneled walls and cabinetry, White Rabbet Carpenters delivers one-of-a-kind pieces that elevate everyday living and stand the test of time.

Product Images:

Certifications & Awards

Best of Main Line Today 2025