Design

Diploma of Interior Design and Decoration

CRICOS 092484B
Billy Blue
Diploma of Interior Design and Decoration
Dale Higginson
Dale Higginson

What is a Diploma of Interior Design and Decoration?

The Diploma of Interior Design and Decoration gives you a foundation in the technical skills, industry knowledge and design processes that shape the spaces where we live, work and play. Guided by industry professionals, this diploma sets you up for further study or to jump straight into a dynamic career.

Throughout the course, you’ll explore design processes, materials and finishes, honing your skills in both residential and commercial design. This course offers practical experience working on live briefs, tackling real-world sustainability challenges and learning how to design for a range of clients. Get hands-on with design projects that push your limits, and every piece of work you create during this interior design diploma will pump up your professional portfolio – helping you land a career in this exciting, always evolving creative industry.

More

Learning outcomes and Work-Integrated Learning

  • Learn to illustrate your ideas before making them a reality.
  • Master industry-standard software including AutoCAD.
  • Collaborate with your peers to interpret trends and generate ideas.
  • Develop technical skills to engage with complex interior sites.
  • Work on real briefs and gain studio experience that prepares you for industry.
  • Undertake 120 hours of experience by completing an internship or working on a live brief.
Torrens University

Vogue Australia partnership

We’ve partnered with industry leaders including Vogue Australia, to offer you internship, mentoring and scholarship opportunities.

Sibella Court | Torrens University

Exclusive Sibella Court ambassadorship

Our interior design courses are built in collaboration with international design icon Sibella Court, founder of Society Inc.

Adobe

Free Adobe Creative Cloud Pro licence

You'll receive a free Adobe Creative Cloud Pro licence for the entire time you're studying Design with us and for six months post graduation.

Study mode
Online, On campus, Blended
Campus locations*
Sydney, Melbourne, Brisbane, Online
Student
Domestic
International
Course duration
1 year full time (3 trimesters), 2 trimesters accelerated, part time available
Start date
15 Sep 2025
16 Feb 2026
01 Jun 2026
14 Sep 2026
Fee & scholarships

This is an AQF Level 5 course delivered by Torrens University Australia Ltd T/A Billy Blue College of Design.

*For more details on international student study options.

Diploma of Interior Design and Decoration Vy Nguyen student work
Vy Nguyen
IndustryReady
Kantar Claim 2024 Interior Design Courses
Skills you can take straight to work

95% of Billy Blue interior design graduates are employed within 12 months of completing their course.
Source: Kantar 2024.

Get hands-on with industry software
Get hands-on with industry-standard software
Master tools specific to your field such as Sketch Up Pro and AutoCAD, graduating job ready.
Number 3 for student support
Top 4 in Architecture and Built Environment

Ranked 4th in Australia for quality of undergraduate educational experience in the Architecture and Built Environment study area. Source: 2023 QILT Survey.

Zoe Lowres
Hear from Zoe Lowres, Billy Blue alumna, on her journey from studying interior design and decoration to launching Programa.

Career opportunities

A Diploma of Interior Design and Decoration preps you with the skills and knowledge needed for an entry-level role in the field or to get a head start in a bachelor's degree.

Potential career paths

  • Interior Stylist
    Average salary
    $81,875 - $85,000
  • Interior Decorator
    Average salary
    $42,000 - $102,000
  • Events and Installation Designer
    Average salary
    $80,000
Jayda Harpas Diploma of Interior Design and Decoration headshot
Billy Blue offers flexibility and very easy breakdowns of how to continue pathways of this study into the real world .
Jayda Harpas
Diploma of Interior Design and Decoration

Subjects and units

Delivered both on campus and online, this course comprises of 8 core subjects, each subject requiring 10 hours of study per week; three hours facilitated and seven self-directed. Assessments may include activity-based assignments or online quizzes. There are no formal exams.

Requirements

Complete eight core subjects.

Core subjects

  • Introduction to Design Studies | DSG101
  • Graphic Communication | DGC100
  • Design Drawing | DDW100
  • Bespoke Decoration | DBD100
  • Product Knowledge | DPK100
  • Construction and CAD | DCC100
  • Joinery and Finishes | DJF100
  • Work Integrated Learning (WIL) | DWL200

Technology

Learn with industry standard technologies

International students must not enrol in more than one-third (33%) of online subjects over their course, and must study at least one face-to-face subject each study period. For more information, visit Study in Australia.

International students on a student visa are required to study full time (i.e. must complete a minimum of 1.0 EFTSL of study per year). For the latest information on study locations, please check the entry requirements flyer.

Lynuz Macalalad

Study pathways

Billy Blue offers undergraduate and postgraduate students with flexible entry options and study pathways. Whether you prefer a full program or a modular approach, we can tailor your studies to your needs. Start your journey with an undergraduate diploma or bachelor degree, or grow your career with a postgraduate qualification.

Need more help?

Let us customise a study plan and pathway for you.

Undergraduate

  • Diploma courses ( 3 options )
    • Diploma of Design

      CRICOS 094008C

      View course
    • Diploma of Interior Design and Decoration
    • Advanced Diploma of Interior Design and Decoration

      CRICOS 117125D

      View course
  • Bachelor courses ( 3 options )
    • Bachelor of Architectural Technology
      View course
    • Bachelor of Interior Design Commercial

      CRICOS 105417B

      View course
    • Bachelor of Interior Design Residential

      CRICOS 105419M

      View course

Postgraduate

  • Graduate Certificate of Design
    4 core subjects
    Online | On campus | Blended
    6 months full time, 1 year part time

    Complete just four subjects to expand your knowledge in a specific area, or take the first step towards your Masters.

    View course
  • Master of Design
    9 core subjects
    Online | On campus | Blended
    Master of Design (Cognate) 1.5 years, Master of Design (Non-Cognate) 2 years full time, part time options available

    Become a specialist in your field, or take the first step towards your Doctorate degree.

    View course

Industry partners and Work‑Integrated Learning

The big difference at Billy Blue College of Design powered by Torrens University Australia is that you’ll start making trouble in the design industry from day one – gaining essential experience, learning from industry professionals and making industry connections.

Gain professional experience

Break the rules with 120 hours of real-world experience during your course.

You can choose between an internship or a industry live brief, in addition to completing a major live project.

You can source Work-Integrated Learning opportunities that fit your brand of troublemaking through our Careers Connect database.

Vogue Australia partner logo
BVN Architecture partner logo
The Retail Designers | Torrens University
Society Logo | Torrens University

Entry details

Fees

Check the domestic course fee schedule for the cost of your course.

FEE-HELP

Eligible Australian students may choose to defer some, or all, of their tuition fees through FEE-HELP, a loan scheme repaid through the tax system based on income.

Learn more about fees and FEE-HELP

Scholarships

If you are truly passionate about Design and Creative Technology, we want to hear from you. We have a variety of Design and Creative Technology scholarships on offer to assist you in becoming a key part of the Design and Creative Technology industry:

Admission criteria

Before you begin your course application, check that you meet the requirements listed below.

Australian secondary school certificate, or equivalent

OR

Successful completion of a Vocational qualification (AQF Level 4), or above

OR

Successful completion of at least 0.25 EFTSL at AQF level 6, 0.5 EFTSL at AQF level 5 or above, or equivalent

OR

Work life experience demonstrating the ability to undertake study at the required level which may include approval of prior study or successful completion of a readiness assessment.

Guaranteed pathway and Recognition of Prior Learning

If you have already completed a qualification or gained skills through life or work experience, you may be able to credit this against your degree with us. Check information about Recognition of Prior Learning and Course Credit transfer. We also offer pathway opportunities to further your learning.

Learn more about study pathways

Fees

Check the international course fee schedule for the cost of your course. Onshore international students requiring a student visa should choose campus-based / blended options.

Fee payment

Course fees can be paid across three study periods. Each instalment to be paid before the beginning of the academic stage census date.

Scholarships

We want you to have the best possible chance to succeed, which is why we offer a range of financial scholarships to support our international students during their study journey.

Admission criteria

Before you begin your course application to study as an international student, check that you meet the requirements below.

Successful completion of at least 0.25 EFTSL at AQF level 6, 0.5 EFTSL at AQF level 5 or above, or equivalent

OR

Australian secondary school certificate, or equivalent Senior Secondary qualification, or Baccalaureate Diploma

Academic IELTS 6.0 (no band less than 5.0) or equivalent
OR alternative entry requirements may be available. Alternative entry may include assessment and approval of prior study, or successful completion of a readiness assessment. Contact the International Admissions team for more information.

Guaranteed pathway and Recognition of Prior Learning

If you have already completed a qualification or gained skills through life or work experience, you may be able to credit this against your degree with us. Check information about Recognition of Prior Learning and Course Credit transfer. We also offer pathway opportunities to further your learning.

Learn more about study pathways

How to apply

Frequently asked questions

  • What are Torrens University Australia’s ATAR requirements for domestic students?
  • What if  I don’t meet the entry criteria for a degree?
  • Am I eligible for FEE-HELP?
  • Can I get course credit for previous experience?
  • What are Recognition of Prior Learning (RPL) and Credit Transfer (CT)? How do I apply?
  • How do I apply for a scholarship?

Similar courses

Diploma of Design
Advanced Diploma of Interior Design and Decoration
Bachelor of Interior Design (Commercial)
Bachelor of Interior Design (Residential)
Bachelor of Architectural Technology
Want to find out more?