Course Outline

Module 1

Visual Language of Interior Design

The first module is an introduction to the creative and exciting world of interior design.

You will be introduced to the elements and principles of design that are used to create harmonious and balanced interiors.

• Learn how to observe, evaluate and form opinions of different design styles by analyzing interior spaces.

• Develop your ‘designer’s eye’ and understand how to apply the knowledge and create inspirational designs for home and work environments.

Module 2

History of Style, Decoration and Architecture

This comprehensive module takes you on a fascinating journey, beginning with the origins of decorative finishes seen in cave paintings and ancient dwellings and leads you through the history of design and architecture to the present day.

Full of visual images and information, Module 2 will convey the meanings and messages behind the styles and decorative images you encounter.

• Learn to recognise architectural and decorative details influenced by ancient Greek, Roman and Egyptian architecture, Neo-Classicism and more recent design styles.

• Incorporate these ideas into your designs, adding originality and creativity to your work.

• Gain an appreciation of art and design history and how it will continue to be an influence both in the present and the future.

Module 3

Design Styles

In this module, you will learn how to make strategic and conceptual decisions for your design projects based on the desired function, style and mood of the space.

• Explore some of the most common interior decorating styles, including traditional, country, eclectic and contemporary.

• Develop your knowledge of different structures, common problems and solutions so that you can communicate clearly with clients, suppliers and tradespeople.

• Evaluate a site and assess existing structures in order to create a master plan and implement your ideas.

• Discover how to keep informed of trends and how to look for trend inspiration.

• Learn how to visually present ideas to your client by creating a mood board.

Module 4

Space Planning

Now you will discover how to apply the design elements to your spatial planning and design concepts, considering different furniture layouts to suit the intended function of the space.

• Learn how to draw a floor plan, rearrange an existing space and plan a new layout for a renovation project.

• Study the different architectural elements that will be included in your floor plan, such as doors, windows, fireplaces and lighting fixtures.

• Become familiar with the functionality of different rooms and understand the role that furniture plays in the design process.

• Extend this project in subsequent assignments and develop a lighting plan, color scheme and finishes.

• Build your first professional portfolio as you complete these exercises.

Module 5


This module will enable you to discover the sources and properties of light, types of lighting and how the orientation of a space affects natural lighting.

• Learn how light affects the selection of colors on different surfaces, finishes and fabrics.

• Understand how to communicate your ideas clearly to electricians, builders and suppliers by specifying the correct products suitable for the intended purpose.

• Learn the various types of light bulbs available to interior designers and how to select the right one for a client’s room.

• Turn your creative vision into reality by using natural and artificial lighting to create a stunning effect in your interior design projects.

• Incorporate these ideas into your plan as you continue with the renovation project that started in Module 4.

Module 6


This module will introduce you to the power and psychology of color and how it can be used as a pivotal design tool in your projects.

• Learn about the properties of color and understand how it can change the mood of a space, alter perceptions and create the intended style. Discover the effect of natural and artificial light on color and surface textures.

• Use the color wheel as inspiration and guidance to develop harmonious schemes and gain the confidence to use it effectively. Discover that there are no bad colors, only bad combinations.

• Experience the power of using color in all aspects of your design projects to trigger different responses, such as vibrant and uplifting or muted and restful.

• Familiarize yourself with paint systems, products and specifications.

• Put together multiple color schemes to accompany the renovation project from Module 4.

Module 7

Interior Finishes

You will learn how to apply the concepts of three-dimensional design to the reality of a finished space.

• Discover the importance of ensuring quality finishes on the floor, walls and ceiling to create a striking and functional backdrop for furnishings and window treatments.

• Gain the product knowledge required to select and specify cost-effective finishes suitable for the intended end use to create a professional and enduring interior space.

• Find out how to plan and project manage the sequence of floor, wall and ceiling finishes required at different stages of a project.

• Create finish schedules for each room from the renovation project that began in Module 4.

Module 8

Decorative Textiles and Fabrics

This informative module introduces you to the history, beauty and luxury of decorative textiles and fabrics.

You will be shown how to appreciate the importance of including items with luxurious and aesthetic appeal as essential components in your design, regardless of the available budget.

• Discover the endless possibilities for using fabrics with style and flair to create eye-catching interior spaces. Gain the confidence needed to apply the elements of design and transform spaces by using textiles, fabrics and other decorative accessories.

• Learn about the technical properties of fabrics and their suitability for different end uses. Understand the functional and aesthetic properties required for bed linen, rugs and decorative textiles.

• Create fabric selections for each room from the renovation project that began in Module 4.

Module 9

Furniture, Art and Accessories

The pinnacle of great design is working with beautiful objects, furniture and art. With reference to Module 2 and the history of interior design, you will learn how furniture styles have been developed over the years for specific uses and applications.

• Apply your knowledge of design elements to the reality of placing beautiful objects into perfectly planned and well thought out spaces.

• Experience the sense of achievement when your space planning and elevations come to life.

• Showcase your creative potential with coordinated, harmonious interiors.

• Create the complete decor scheme for each room from the renovation project in Module 4.

Module 10

Working With Clients

This module teaches you the work practices of professional designers. You will be shown the vital procedures and thought processes that bring a design to completion in the real world.

• Learn how to support your creative knowledge with the practical application that ensures success from the start of a project through to completion.

• Ensure that your proposals and management skills will bring work in on schedule and budget for any design project, whether for yourself or for a client.

• Gain the confidence needed to work professionally in the design industry.

Module 11

Visual Communication

In this module, you will be taught how to document your ideas and designs for clients, contractors and your own reference.

• Learn how to easily create a three-dimensional drawing from floor plans to help visualise the space and make more informed design choices.

• Find out how these drawings can help you win business and then manage the design process.

• Support your documentation with a clear set of drawings to ensure your ideas are interpreted correctly.

• Experience the pleasure of seeing your design concepts spring to life as projects are completed.

• Get creative and prepare a materials board with real samples for a kitchen fit out.

Module 12

Setting Up an Interior Design Business

If you are considering making design your career, this may be the decisive chapter that is the stepping stone to your future success.

• See yourself in the context of the design industry.

• Take professional advice from outstanding business consultants who work with creative, respected and successful interior designers.

• Benefit from this valuable information regarding business development, business practice and market positioning.

• Learn how to put together a professional portfolio and receive an insight on setting up your own website and social media networks.


Rated 4.7 out of 5 based on 1007 reviews.

  • Mona Yaser Zynab

  • Feb 4, 2023

You need patience and diligence to study and be proud of yourself that you will achieve your goal

When I started to try the institute, I submitted my first project; it was very bad, and I was feeling...

  • Stacia L Bohland

  • Feb 2, 2023

Great learning experience

This course is very thorough and easy to follow. When help is needed there is always someone to answer questions...

  • Nour Abou tarieh

  • Feb 2, 2023

Nice professional course full of…

Nice professional course full of informations and the teachers are very helpful

  • Alexys Mittelstaedt

  • Jan 29, 2023

Great school!

Great tutors! There is lots of resources to help! Facebook page, videos, workshops, tutor and your assignment module to help...

  • Brack Boehler

  • Jan 26, 2023

Building a solid foundation

So far I’d have to say the materials are great, instructors provide good feedback and I’m gaining new knowledge and...

  • kmdidio

  • Jan 25, 2023

Confident I chose the right school of Interior Design!

I am halfway through the IDI course. I love that they post job offers and it includes a 24 hour...

  • Emilee Elliott

  • Jan 23, 2023

Excellent Material

The material for the modules is laid out very well. It’s easy to navigate and understand. I have loved the...

  • Jennet Tainter

  • Jan 21, 2023

One of the best experience I have

One of the best experience I have is that I can work and complete my assignment on my own terms....

  • CDG

  • Jan 19, 2023

Course material is informative

Course material is informative. Assignments are thought provoking and very helpful.

  • Heidi Swieringa

  • Jan 18, 2023

Great Program

I have really enjoyed the different modules as they have given me a better understanding of interior design concepts. These...

  • Tammy Minian

  • Jan 18, 2023

nothing will compare to this amazing course

Really high quality learning material and excellent support from the tutors and student support as well. I learned SO much....

  • Emily Merlin

  • Jan 10, 2023

Outstanding Experiences with IDI

Overall, my experience with the Interior Design Institute has been amazing! Everything from the information in the modules, detailed assignments,...

  • Nada Mohamed Osman Hassan

  • Jan 4, 2023

Very useful and full of knowledge

Really the way of reading is enjoyable, nice, smooth, and creative and you don't feel bored. I am really interested...

  • Imane Bounouader

  • Jan 3, 2023

The course has all the keys of interior…

The course has all the keys of interior design and it’s flexible , the teachers and student support are always...

  • Filippía Þóra Guðbrandsdóttir

  • Dec 30, 2022

Quick assistance and answers whenever I…

Quick assistance and answers whenever I needed help. Postive an encourageing reaction from my teacher Chamille Tyler. Well described Moduls and very...