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Certificate in Interior Decoration

Enroll in NYIT’s Interior Decoration Certificate Program to pursue a new or alternate career as an interior decorator. Upon successful completion of eight 10-week courses (five required and three electives), you will earn a certificate in interior decoration. Required courses include XDSG-001, XDEC-001, XDEC-002, XDEC-005, and XFSH-014.

Courses meet for 10 sessions unless otherwise stated. Two five-week electives fulfill the requirement of one 10-week elective. Upon completion of the program, you must apply for your certificate in interior decoration. Applications are available in the Office of Extended Education. You may also take individual courses for personal enrichment. An advanced certificate in interior decoration requires completion of 12, 10-week courses. This program is offered at both the Long Island (Old Westbury) and New York City (Manhattan) campuses. For upcoming course dates/times, email or call 516.686.7490.

Course Descriptions

Design ... Where It All Begins

This course introduces students to the fundamentals of interior decoration. Integration of form, color, and texture into a harmonious whole is at the core of this course. Spatial and 3-D organization are covered as well. This is a project-oriented, “learn-by-doing” class.

Basic Drafting for Interior Decorators

Students learn the methods and techniques of basic drafting and detailing for interior space planning. Students are taught how to execute scale, room plans, reflective ceiling plans, and elevations. Prerequisite: XDSG-001. Equipment is required: estimated cost is $125 (not included in cost of course).

Interior Decorating and Applications I

In this course, interior decoration skills are developed via a series of projects. Students begin to apply their knowledge to simple interior spaces. Emphasis is placed on function, analysis, and space planning. Students also begin to incorporate color, furniture, and finishing, while graphically representing the interior space. Prerequisites: XDSG-001, XDEC-001.

Business Practices for Interior Decorators

An introduction to the many aspects involved in maintaining a successful interior decorating practice. Topics covered include contracts, legal responsibilities, fees, marketing strategy, client interviewing, and professional organizations.

Fabrics and Materials

An overview of materials used in the decorating process, with emphasis on fabrics. The use of basic materials such as upholstery, draperies and curtains, flooring, carpeting, wall covering, and paint will be discussed, as well as execution processes including measuring, ordering, installation, and maintenance.

Feng Shui and Healthy Living for Designers

By applying the ancient knowledge of Feng Shui and green design principles to the home and workplace, you will learn to choose healthy options for your clients and the planet. In this class, you will develop an awareness of how to select colors, shapes, textures and accessories to uplift the energy in a space. A field trip to a green resource showroom is included.

Kitchens and Baths

Students will be responsible for the actual development and execution of a kitchen and bathroom project. Issues to be addressed will include color, texture, function, lighting, and special considerations related to kitchens and baths. Prerequisite: XDEC-001.

Practical Decorating

This is a course that addresses the practical world of an interior decorator. All phases of a design job—including obtaining clients, determining and fulfilling their needs, and delivering the product—will be discussed.

The History of Furniture

Learn about the history of furniture dating from ancient Egypt and Greece through the Western European countries. In addition, learn about the contributions of China and Japan. See how the evolution of furniture has influenced today’s world of decorating.

Space Planning: Residential

Introduction to historical development of interior decoration and design. Topics include: study of space planning—furniture layouts in a residence; analysis of color psychology in a living environment; and preparation of a residential space plan project. Prerequisites: XDSG-001 and XDEC-001.

Resource Sampler Workshop

Offering hands-on experience for students with a basic background in decorating, this course will consist of lectures and numerous field trips. Transportation and expenses for all field trips are the responsibility of the student. The first class will be held on campus; the remaining classes will be field trips.


Accessories are essential in putting the finishing touches on any room. Topics will include the use of color in accessories and accent pieces; the importance of using the right artwork, flowers, collectibles, and pillows; and more.

Color Workshop for Interior Decorators

This course will explore many of the aspects of color, such as the psychological and emotional responses to color, and how different cultures and age groups relate to color. Students will learn about the uses of color in various industries, and the relationship of color to light and texture. This understanding will help designers develop appropriate color schemes for clients.

Portfolio Workshop – Color Rendering

This course presents demonstrations of techniques using color pencils and magic markers. It includes color rendering of interior fabrics and materials, lights and shadows, and matting of finished work.

Window Fashions

Students learn about the proper specification, fabrication, and installation of soft and hard window fashions, with special emphasis on multi-layered treatments. Draperies, valences, cornices, swags and jabots, blinds, shutters, shades, and trimmings will be explored and defined. Special-challenge windows, such as bay, angle-top, and Palladian, are included. Students receive instruction on how to balance practical and aesthetic factors in developing the best overall design solution. The use of real-life scenarios clarifies material covered in the course.


Proper lighting is vital to the success of an interior design. Types of artificial light, their location, quantity, color balance, lifespan, output, and other characteristics are topics that will be examined. Students will learn how to develop a lighting plan and specification schedule. A field trip to a lighting showroom may be included to enhance and clarify the material covered in class.

Feng Shui Revealed

An introduction to the basics and origins of Feng Shui and its importance in interior design. The energy of the space, layouts and floor plans will be examined. Students will learn to approach interior design based on the roadmap and element theory of Feng Shui. Importance of sustainable design and use of green plants will be discussed. Learn how to be a better interior designer by improving your own personal energy based on Feng Shui principals.

AutoCAD Level I

Learn to use the tools and techniques necessary to complete and edit production drawings using basic 2-D commands.