I have truly loved every moment so far in my IDI course. The fact that student support and my tutor response almost immediately after i sent a message is fantastic. I have other friends that all study... See more
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I’ve learned a lot from this course so far, and I’m excited to keep moving forward. The forums have each helped me understand different aspects of design, which has been really valuable. I’ve also gai... See more
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I have found the content so far to be exceptional. I have learnt so much. I love the freedom to complete my assignments at my own pace. I get excited when the next module is released, and my tutor Wen... See more
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The experience at IDI has been great thus far. The material is thorough, in depth and very detailed. I am blown away at all the new material I am learning, from floor plans to lighting, color and much... See more
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Company details
About The Interior Design Institute
Written by the company
At The Interior Design Institute, we don’t just teach design principles — we empower students to uncover their own unique style and nurture their natural creativity.
You’ll gain the technical knowledge and practical skills needed to confidently bring your design ideas to life through 12 in-depth modules covering everything from design principles and history to spatial planning, lighting, and materials.
Our fully online course combines engaging video content, interactive workshops, and assignments at your own pace, with personalised feedback from experienced tutors and access to an exclusive student community. While many students complete the course in around 24 weeks, you have up to 12 months to finish, giving you the flexibility to balance learning with other commitments.
Whether you’re pursuing a new career or enhancing your passion for design, this course provides the foundation and support to help you succeed.
Registration Code: 45423
You’ll gain the technical knowledge and practical skills needed to confidently bring your design ideas to life through 12 in-depth modules covering everything from design principles and history to spatial planning, lighting, and materials.
Our fully online course combines engaging video content, interactive workshops, and assignments at your own pace, with personalised feedback from experienced tutors and access to an exclusive student community. While many students complete the course in around 24 weeks, you have up to 12 months to finish, giving you the flexibility to balance learning with other commitments.
Whether you’re pursuing a new career or enhancing your passion for design, this course provides the foundation and support to help you succeed.
Registration Code: 45423
Interior Design Course
Written by the company
- Start an Exciting New Hobby or Career!
- The Interior Design Institute offers you the most advanced and comprehensive online solution to learning available today. We offer the most thorough home study course in Interior Design using the very latest online learning techniques. Our commitment to providing the highest quality training program has resulted in unique teaching and student support systems, which produce unparalleled results.
Guarantee
7 Day money back guarantee
Not happy? Contact us within 7 days of your enrollment to receive a full refund.
Contact info
1160 Battery Street East, Suite 100, 94111, San Francisco, CA, United States
- support-us-en@service.theinteriordesigninstitute.com
- theinteriordesigninstitute.com
4.8
Excellent
9K reviews
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I just completed my 10th Module and so…
I just completed my 10th Module and so far this course has been so rewarding! It’s detailed and teaches valuable things to use in the interior design world. I cannot wait to see what is next!
15 March 2026
Reply from The Interior Design Institute
Hi Tamia,
Thank you so much for your lovely feedback! 😊 We’re thrilled to hear that you’re enjoying the course and finding the modules rewarding and valuable for your interior design journey.
Congratulations on reaching Module 10, and we hope you continue to enjoy what’s ahead!
A Valuable Course for Aspiring Interior Designers
I’ve really enjoyed my course with the Interior Design Institute. The material is clear, practical, and easy to follow, which makes learning feel approachable even when covering more detailed topics. I’ve found the lessons to be very helpful in building my understanding of interior design and developing real skills I can apply. Overall, it’s been a great learning experience and I would definitely recommend the course to anyone interested in studying interior design.
15 March 2026
Reply from The Interior Design Institute
Hi Haleigh,
Thank you so much for your wonderful review! We’re really pleased to hear that you’ve been enjoying your course and finding the material clear, practical, and easy to follow. It’s great to know the lessons are helping you build your understanding of interior design while also developing skills you can apply in real situations.
We truly appreciate you taking the time to share your experience and for recommending the course to others. Wishing you continued success and enjoyment as you move forward with your studies!✨
I’ve had a great experience studying…
I’ve had a great experience studying with The Interior Design Institute. The course is well structured, easy to follow, and flexible enough to fit around a full-time job. The modules are informative and practical, and the assignments really help you apply what you’ve learned in real design scenarios. The tutor feedback has also been helpful and encouraging. I would definitely recommend this course to anyone interested in interior design.
11 March 2026
Reply from The Interior Design Institute
Thank you, Gabriella, for your wonderful feedback! We’re so pleased to hear that you’ve had a great experience and that the course structure and flexibility helped you balance your studies with a full-time job.
It’s also lovely to know that the modules, assignments, and tutor feedback have supported your learning. We really appreciate your recommendation and wish you all the best on your interior design journey! ✨
Comprehensive, takes more than a year
I have enjoyed the program. It is comprehensive and prepares for a job in the design world. Aspects of the course need extra time to master especially for a student that is older and went through college without the use of on-line courses or computers for that matter.
9 March 2026
Reply from The Interior Design Institute
Thank you for sharing your feedback. We’re so glad to hear that you’ve enjoyed the program and found it comprehensive for preparing for the design world.
We completely understand that some aspects can take extra time to master, especially when transitioning to online learning, and we really admire your dedication in working through it. Wishing you continued success on your design journey! ✨
On your own time
I am half way through the course, it’s very easy to follow, assignments are challenging, but great for learning. Tutors are great, would recommend. Can’t wait to finish!
11 March 2026
Reply from The Interior Design Institute
Hi Lara,
Thank you so much for your kind review! 😊 We’re really glad to hear you’re enjoying the course and finding it easy to follow while still being challenged by the assignments.
It’s also wonderful to hear your positive feedback about the tutors. Wishing you all the best as you continue—we hope you enjoy the rest of the course and reaching the finish line!
Overall
Overall, I found the course to be a very good introduction to interior design. With each module, I learned more about the language and terminology of interior design, as well as important concepts such as perspective, structure, and professional discipline. One of the aspects I appreciated most was how the course introduces a professional way of thinking and working, which I think is very valuable for beginners.
At the same time, since this is an introductory course, some of the visual examples and explanations felt quite basic to me. While this may be appropriate for beginners, there were moments when I wished the material went a bit deeper or presented more challenging visual references. Because of this, I often tried to challenge myself further in each module by exploring ideas in more depth and pushing my own work creatively.
In addition, I felt that some of the interior design style categories presented in the course are not always very current today, as contemporary design often mixes references from different periods and styles in more fluid ways.
Overall, I appreciated the course and the foundational knowledge it provides. It helped me understand the discipline of interior design and build a structured way of thinking about projects. In the future, I would be very interested in seeing more advanced courses that encourage deeper exploration, introduce more contemporary references, and challenge students creatively at a higher level
11 March 2026
Reply from The Interior Design Institute
Thank you, Mirel, for taking the time to share such thoughtful and detailed feedback. We’re really pleased to hear that the course helped introduce you to the language, concepts, and professional way of thinking involved in interior design. Building that strong foundation is exactly what we aim for in an introductory program, so it’s wonderful to know it supported your learning in that way.
We also appreciate your reflections about the depth of some visual examples and the evolution of design styles. Your point about contemporary interiors often blending influences from multiple periods is a great observation, and it’s helpful for us to hear how students engage with the material and push their own creativity further.
It’s especially encouraging to hear that you challenged yourself to explore ideas more deeply throughout the modules—that kind of curiosity and initiative is such an important part of the design process.
Thank you again for your balanced and insightful feedback. Suggestions like yours are very valuable as we continue reviewing and developing our course content, and we’re glad the program helped you build a structured approach to thinking about design projects. 😊
Comprehensive but NOT confusing!
After a warm welcome, I found it simple to navigate the website and student area. The modules are well laid out, thought through and include everything needed to guide and help you on your way to becoming a fully fledged interior designer!
You can do things at your own pace and there is no pressure of deadlines as such.
Your tutor is only a message away, should you need support, advice or to just check in.
All in all, I’d recommend this course.
11 February 2026
Reply from The Interior Design Institute
Hi Andy,
Thank you so much for your wonderful review! 😊 We’re thrilled to hear that you found the course clear, well-structured, and easy to navigate. It’s great to know that the flexibility and tutor support made a positive difference for you.
We really appreciate your recommendation and wish you all the best on your journey to becoming a fully fledged interior designer!
Reply from The Interior Design Institute
We're glad you found the course fun and interesting! Thank you for your positive feedback; we appreciate it!
Educational
I would highly recommend this course as it is extremely informative and really provides great detail into the interior design world. Each module provides illuminating details addressing each subject in depth. I find the material to be at a level suitable for a novice while still providing educational concepts to broaden ones ambitions in the design space.
8 March 2026
Reply from The Interior Design Institute
Thank you so much for your thoughtful review! We’re thrilled to hear that you found the course both informative and accessible, and that it’s helped broaden your understanding of the interior design world. It’s wonderful to know the modules are providing value at every level, from novice to more ambitious learners.
We really appreciate your recommendation and your kind words—they mean a lot! 🌟
Tutors are helpful and the course…
Tutors are helpful and the course information is very informative and detailed
10 March 2026
Reply from The Interior Design Institute
Hi Julia, thanks so much for your feedback! 😊 We’re thrilled to hear you’re finding the tutors helpful and the course info so detailed and useful.
Wonderful Course
A wonderful course for understanding the foundations of interior design. I have thoroughly enjoyed it so far.
9 March 2026
Reply from The Interior Design Institute
Hi Lisa,
Thank you so much for your lovely feedback! We’re thrilled to hear you’re enjoying the course and finding the foundations of interior design engaging and clear. Wishing you continued inspiration and success as you progress through the modules! 🌟
Comprehensive course with great support
The Diploma of Interior Design provided by IDI is a great course! It is very comprehensive and well laid out and as a result gradually builds your skills and confidence in the interior design industry. My tutor, Linda, is fabulous, she is always on hand if I have questions, as are the administration staff who support the course. If you are looking for a well run online design course that covers all the industry requirements, for a fraction of the price as elsewhere then look no further; I highly recommend IDI's Diploma of Interior Design!
8 March 2026
Reply from The Interior Design Institute
Hi Rochelle,
Thank you so much for your wonderful review! We’re thrilled to hear that you found the Diploma of Interior Design comprehensive and confidence-building. Linda and our support team will be so happy to know their support made a difference for you.
We really appreciate your recommendation and are glad the course has given you a strong foundation in the interior design industry. Wishing you all the best as you continue your design journey! ✨
Honing my skills
Coming from a kitchen design background, this course has honed my interior design skills perfectly.
It is challenging and rewarding to complete each module, with fantastic feedback at the marking stage.
I have definitely learned a lot!
10 March 2026
Reply from The Interior Design Institute
Hi Brenda,
Thank you for sharing your experience! We’re so pleased to hear the course has helped you build on your interior design skills and that you’ve found the modules both challenging and rewarding. It’s also great to know the tutor feedback has been helpful along the way.
Wishing you all the best as you continue developing your skills!
Really great course
Modules are all full of information and genuinely really helpful. Assignments are marked quickly and thoughtfully.
9 March 2026
Reply from The Interior Design Institute
Hi Jo,
Thank you for your kind feedback! We're so pleased to hear you're finding the modules helpful and that the assignment feedback has been prompt and useful. We really appreciate you taking the time to share your experience. 😊
The content is easy to understand and…
The content is easy to understand and visually great! It can be difficult to keep the momentum when doing it alone, some sort of group chat on the platform would be great or an easier way to ask smaller questions? The self paced nature makes it so good for those people who have to work. Thank you!
8 March 2026
Reply from The Interior Design Institute
Hi Kayla,
Thank you so much for your thoughtful review! We’re really glad to hear that you’re enjoying the course content and finding it easy to follow and visually engaging. It’s also wonderful to know that the self-paced format is working well alongside your work commitments.
We completely understand your point about maintaining momentum when studying independently. While the course itself is self-paced, we do have a student Facebook group where many students connect, share experiences, and support each other during their studies. We also appreciate your suggestion about having an easier way to ask smaller questions on the platform — feedback like this is very helpful as we continue looking at ways to improve the student experience.
Please remember that our Student Support team is always here if you have any questions along the way — big or small — and we’re always happy to help.
Thanks again for sharing your experience, and we wish you all the best with the rest of your course! 😊
Reply from The Interior Design Institute
We're happy to hear that, Esther! Thank you for your positive feedback!
Loved it
I am almost finished the course and have loved each step. I especially enjoyed learning how to properly make sample and material boards. The sketch up advanced module, while frustrating, was also very fun to learn. I will say it is a pretty lengthy program and would be prepared for it to take longer than anticipated,especially if you are also working full time as I was. The only thing I would have appreciated is having a live tutor for the sketchup extension module. It was very hard to explain issues and questions I had about sketchup over email.
5 March 2026
Reply from The Interior Design Institute
Hi Brit,
Thank you for sharing your experience. We're so pleased to hear how much you’ve enjoyed the course and especially that you found the sample and material board lessons valuable. It’s great that you also had fun working through the SketchUp Advanced module, even with its challenges.
We also appreciate your feedback regarding live tutor support. Our tutoring is provided via the messaging system so tutors can review questions carefully and provide detailed guidance, but we completely understand that technical topics like SketchUp can sometimes feel easier to discuss in real time.
Congratulations on being so close to finishing the course, and thank you again for your thoughtful feedback!
Assignments reinforce the concepts taught
The assignment in each module requires the student to apply the information learned. These assignments are often quite hard because it sounds easy while reading it but the application of the concepts is where the learning occurs.
2 March 2026
Reply from The Interior Design Institute
Hi Cindy,
Thank you for sharing your feedback. We’re so pleased to hear that the assignments are helping reinforce the concepts from each module. You’re absolutely right — applying the ideas can be challenging, but that’s often where the most valuable learning happens.
We really appreciate you taking the time to share your experience and wish you continued success with the course!
My experience has been pleasant with…
My experience has been pleasant with this school. I absolutely love the detailed feedback from my tutor and how the materials are easy to follow.
5 March 2026
Unprompted review
Reply from The Interior Design Institute
Hi Salene,
Thank you so much for taking the time to share your feedback! We’re really pleased to hear that your experience with us has been a pleasant one. We truly appreciate you being part of the course and wish you continued success with your studies! 😊
The community is very helpful
The community is very helpful, nice and respectful. The course material is very thorough.
2 March 2026
Reply from The Interior Design Institute
We're happy to hear that you found the community helpful and the course material thorough, Enjy. We appreciate your positive feedback!
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