Terrina Interiors is a full service design firm in the Edmonton Interior design area for residential and commercial projects. If you have a design need that is not on this list, please contact us so we can customize a solution for your needs. Interior Design – Interior design is an umbrella term that covers a wide range of services. We provide staging, color coordination, design elements and more for residential and commercial projects. Our interior design services can be as simple as space planning or helping you choose the perfect paint colour for a wall to working with your home/commercial builder to design a space from the foundation to the roof.