The Interior Design Courses

Start an Exciting New Hobby or Career


Included when you purchase the Accredited Diploma Course

Together with renowned designer and TV personality Darren Palmer, we have created a video MASTERSERIES to accompany and complement our online Interior Design Courses. It offers students the additional expert knowledge to truly inspire and take their design skills to another level.

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Features of the Courses

The Interior Design Courses are provided online.
You study at home in your own time and at your own pace.

Certificate and Diploma Courses

Learn from leading interior designers

High Definition Video Content

Access to engaging video content

24/7 Support

Ask for assistance at any time

Exclusive Facebook Group

Connect with over 30,000 students worldwide

No Fixed Start Dates

Start now, any day or time of the year

Payment Options

Flexible payment options and 7 day money back guarantee


Free website portfolio to display your work

Online Workshops

Access to online workshops with industry experts

DIA Recognised

Our Diploma Course is recognised by the DIA


Rated 4.7 out of 5 based on 1436 reviews.

  • customer

  • 31/01/2023

Highly recommend!

I like the course because the course contents helped me build up my knowledge gradually. The contents are practical, easy...

  • Katarína Ďurišová

  • 31/01/2023

I am very happy with the course and the…

I am very happy with the course and the value I got from it so far. I honestly don't think...

  • Ashleigh Carroll

  • 30/01/2023

Challenging but enjoyable!

This course is both challenging but enjoyable! The assignments are all explained well and are equal parts challenging but fun...

  • Deborah Jordan

  • 30/01/2023

Great Course

Really enjoying this online course, I have learnt so much and have great support and feedback from my tutor and...

  • Le Duong

  • 29/01/2023

Great communication and challenging…

Great communication and challenging models

  • Brieahne McCouaig-Hook

  • 28/01/2023

The Greatness of the Interior Design Institute

Doing this course has been a great experience, providing me with in-depth knowledge of the Interior Design field and allowing...

  • Margaret Aldous OAM

  • 25/01/2023

The tutors are supportive helpful and…

The tutors are supportive helpful and patience - providing backup and clarifications as necessary. Lecture notes are easy to read...

  • Lil

  • 23/01/2023

I love the depth and challenge of study…

I love the depth and challenge of study that I’m working on. The tutor I have is also extremely helpful.

  • Polly Whitworth

  • 22/01/2023

Interior Design Institute

I have thoroughly enjoyed this course. I’ve learnt so much. What I love is that I’m able to fit it...

  • Zoe

  • 17/01/2023

The support team of the institute are…

The support team of the institute are fantastic and respond timely. The course as a whole is interesting, easy to...

  • Jess Collins

  • 17/01/2023

Very Impressed with this course

I am finding the course very informative and engaging. I like how the assignments are all set out like mini...

  • Russell Chambers

  • 16/01/2023

Great course

I’m really enjoying this course and learning so much. The tutors are great and very helpful.

  • Maddy Adamson

  • 15/01/2023

I enjoy the course and what it gives me

I enjoy the course and what it gives me. It provides me exactly what I need to learn and expand...

  • Jo Curran

  • 14/01/2023

Very Informative

The course has been very informative. It covers every aspect of the design and building industry.

  • Vijayalaxmi Singaravelavan

  • 12/01/2023

The course materials are informative…

The course materials are informative and the assignments are structured in such a way that vast reference is required to...

Certificate and Diploma Courses

At The Interior Design Institute, we don't just teach interior design; we encourage every student to access and nurture their own natural sense of flair and creativity. We also teach the technical and practical skills necessary to translate those design ideas into reality. Both versions of our course, the Certificate Course and the nationally accredited MSF50222 - Diploma of Interior Design, are up-to-date and comprehensive, covering every aspect of interior design.

Read more about the Certificate and Diploma Courses

Course Outlines

The Interior Design Courses are delivered online, consisting of 12 comprehensive modules and 12 corresponding assignments. The courses are designed to be self-paced. Students enrolled in the Certificate Course are provided with 12 months to complete the course. Students enrolled in the nationally accredited Diploma Course are provided with 18 months to complete the course. Extensions are available if required.

View Certificate Module Outlines

View Diploma Module Outlines

Advanced Modules

Students have the opportunity to delve deeper into specific areas of interest in interior design by purchasing Advanced Modules. These are similar to short courses and are specially formulated materials to challenge motivated students to achieve more.

View Advanced Module Outlines

The Institute

The Interior Design Institute offers you the most advanced and comprehensive online solution to learning available today. We offer the most thorough home study courses 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.

Read more about the Institute

Find us on social networks


We are accredited and recognised by

Our Contributors

Vicki Mullins
Vicki is a people-orientated leader and mentor with a keen interest in empowering students to reach their full potential and become future designers.
Wendi Snyder
Wendi is passionate about education and finds it rewarding to pass on her extensive knowledge to her students.
Jasmine Abel
Jasmine is passionate about the world of interiors, living mindfully and providing wholesome learning experiences.
Rebecca Gross
Rebecca is a design historian, freelance researcher, and writer specialising in design, architecture and visual culture.

Our Tutors

Our handpicked tutors are not only great teachers but experts in their fields.

Robert Parisi

Robert Parisi began to develop his interest and passion for architecture and interior design as a young child.

Vicki Mullins

Vicki Mullins started her career as a graphic designer in the magazine publishing industry and worked as a freelance artist, painting commission artwork for interior designers and private clients.

Deborah Atkins

Deborah has been teaching and mentoring students of design for the past five years while still working on her own projects and so brings a wealth of experience to her tutoring work.

Linda Bistricic

Linda has over twenty years experience in teaching interior design at TAFE, as coordinator of the interior design department and in curriculum design and development.

Student Testimonials

Take a moment to read some of our graduate testimonials.
Anna Moore

Newcastle, NSW

Since completing the diploma of interior design, my second renovation has been featured in Adore Magazine, multiple blogs and I was interviewed live on Channel 10 - Studio 10 house call segment. I now work within the design industry and love every minute.

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Kelly Donougher

Ocean Reef, WA

What a fantastic course! I found this course to be completely practical, inspiring and, most importantly, exactly what you need to know when starting out your journey in the design industry.

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Rachel Elizabeth McGrath

Sunshine Coast, QLD

I really loved this course! I gained a lot of knowledge within the course and would highly recommend to friends and family.

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Nathan Nasrallah

Sydney, NSW

I loved the self-paced nature of the course, and how easy it was to navigate around the course. You get so much support from the tutors, the student support and the Facebook group; I have found it to be an invaluable community that supported me during my studies, and now into my professional career as a designer.

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Anna Wood

Melbourne, VIC

I am so pleased to be an Interior Design Institute graduate! I have thoroughly enjoyed the course and found the real-life examples to be so helpful as I continue to pursue a career in interior design.

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Alyce Pham

Sydney, NSW

I have learnt so much, and the course covers a wide range of subjects that have given me a really broad understanding of everything I need to know when setting up a business, looking for work and being an incredible designer.

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Student Features

Let us inspire you with a selection of projects from our #IDIstudents.

Course Fees

We offer a number of flexible payment options.

Certificate Course Fees

Pay in Full

Save $100.00

Now Only



Pay with Afterpay
(4 payments of $274.75 )

Weekly Plan

24 Weekly Payments



per week


Monthly Plan

6 Monthly Payments



per month



Certificate Course + Darren Palmer MASTERSERIES

Pay in Full

Save $100.00

Now Only



Pay with Afterpay
(4 payments of $374.75 )

Weekly Plan

24 Weekly Payments



per week


Monthly Plan

6 Monthly Payments



per month


Nationally Accredited Diploma Course Fees

RTO Code 45423
This option includes the Darren Palmer MASTERSERIES

Pay in Full

Save $100.00

Now Only


* An initial Deposit of 50% will be taken at enrolment, and the course fee balance will be deducted after 4 weeks.

Weekly Plan

48 Weekly Payments



per week


Monthly Plan

12 Monthly Payments



per month


All prices are displayed in AUD.

Money Back Guarantee

Not happy? Contact us within 7 days of your enrolment to receive a full refund.

Contact Us

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The Interior Design Institute

4407/4 Daydream Street
Warriewood NSW 2102
RTO Code: 45423

Frequently Asked Questions (FAQs)

For answers to our most commonly asked questions, read our FAQs.

View the FAQs

International locations

We offer our course in over 20 countries around the world.

View our other international locations