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Prime Designs by Nancy

Building Designers and Drafters

About Us

31 years in business
Woman owned
Custom work
St. Charles Full Service Architecture, Design, and Build Firm
Your Trusted Local Source for High-End Architectural, Interior Design, and Design-Build Services! We bring 31 years of architectural, design-build, and interior design excellence to your project. Known for our professional and creative services we specialize in residential and commercial construction and design. All of your home build and remodeling needs are accomplished through our in-depth service offerings to ensure every project is completed with the full vision of the project in mind.

Services Provided

3D Rendering, Accessory Dwelling Units (ADUs), Architectural Design, Architectural Drawings, Attic Conversion, Barn Design & Construction, Building Design, Custom Home, Design Consultation, Drafting, Energy-Efficient Homes, Floor Plans, Green Building, Guesthouse Design & Construction, Handicap-Accessible Design, Home Additions, Home Extensions, Home Gym Design & Construction, Home Remodeling, House Plans, Land Surveying, New Home Construction, Passive Solar Heating & Cooling, Pool House Design & Construction, Project Management, Site Planning, Staircase Design, Structural Engineering, Sustainable Design, Universal Design, Art Selection, Basement Design, Bathroom Design, Bedroom Design, Bicycle Storage, Closet Design, Color Consulting, Custom Bathroom Vanities, Custom Blinds & Shades, Custom Bookcases, Custom Built-ins, Custom Cabinets, Custom Entertainment Centers, Custom Fireplace Mantels, Custom Furniture, Custom Home Bars, Custom Kitchen Cabinets, Custom Pantries, Custom Rugs, Custom Shelving

Areas Served

Chain of Rocks, Flinthill, Foley, Fountain N' Lakes, Hawk Point, Moscow Mills, Old Monroe, Olney, Troy, Winfield, St. Charles, Chesterfield, O'Fallon, Cave Springs, Winghaven, Laude, Creve Coure, Wentzville


Voted #1 Interior Designer in Lincoln, Warren, and St. Charles County

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Laundry room - modern laundry room idea in St Louis


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Contact Prime Designs by Nancy
Prime Designs by Nancy
Average rating: 5 out of 5 stars
100 professional parkway
Troy, MO 63379
Typical Job Cost $125 - 1 million
Cost are based upon a square footage price or and estimated project total
License Number LC0753270