Diploma Course Outline

Module 1

Visual Language of Interior Design

Unit/s covered in this module:

MSFID5022 - Explore and Apply Creative Design Methodology to Interior Space
BSBDES303 - Explore and Apply the Creative Design Process to 3D Forms


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 analysing interior spaces.

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

• Work through ‘The Design Process’, learning how to design a space expressed in a client brief.

Module 2

History of Style, Decoration and Architecture

Unit/s covered in this module:

BSBDES305 - Source and Apply Information on the History and Theory of Design
MSFFDT4012 - Research Furniture Styles and Movements


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.

You will:

• 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.

• Look at the different style of furniture throughout the eras.

• Learn how to create ‘Research Information Folders’, to store the myriad of product available.

Module 3

Design Styles

Unit/s covered in this module:

MSFID4019 - Research Interior Decoration and Design Influences
BSBDES401 - Generate Design Solutions
BSBDES302 - Explore and Apply the Creative Design Process to 2D Forms


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.

You will:

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

• Develop your knowledge of different structures, common problems and their 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.

• Build your confidence by establishing a framework for completing a project in a professional manner that will ensure a consistent and high-quality result.

• Explore the 2D elements and principles of ‘Visual Art of Communication’. Learn both listening and communication skills to articulate how you will meet the client’s brief.

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

Module 4

Space Planning

Unit/s covered in this module:

MSFID4012 - Decorate Residential Interiors
BSBDES502 - Establish, Negotiate and Refine a Design Brief
MSFID5020 - Design Residential Interiors


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.

You will:

• 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, colour scheme and finishes.

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

• Learn SketchUp for Interior Designers. SketchUp is a modelling program that can be used to create 2D floor plans and 3D models. This SketchUp course is suitable for beginners and includes over 30 video tutorials + downloadable reading material.

Module 5


Unit/s covered in this module:

MSFID4013 - Design Residential Interior Lighting


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.

You will:

• Learn how light affects the selection of colours 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.

• 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.

• Understand energy efficiency and electricity supply to a home.

Module 6


Unit/s covered in this module:

MSFID4016 - Design Colour Schemes for Interior and Exterior Spaces
MSFID5027 - Research and Recommend Colour Applications and Finishes


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

You will:

• Learn about the properties of colour 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 colour and surface textures.

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

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

• Familiarise yourself with paint systems, products and specifications.

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

• Find out how to work with wallpaper, specialty paint finishes and trend forecasting.

Module 7

Interior Finishes

Unit/s covered in this module:

MSFID4018 - Research and Recommend Hard Materials and Finishes for Interiors


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

You will:

• 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.

• Discover new emerging hard material and finishes.

Module 8

Decorative Textiles and Fabrics

Unit/s covered in this module:

MSFID4021 - Design Soft Furnishing Solutions for Interior Spaces


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.

• Explore fabrics and how to select and apply them to different design styles.

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

Module 9

Furniture, Art and Accessories

Unit/s covered in this module:

MSFID5028 - Research and Recommend Artwork
MSFID4015 - Prepare Materials and Finishes Boards for Client Presentation
MSFID4017 - Research and Recommend Furniture 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.

You will:

• 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.

• Learn about Indigenous art and the legal obligations surrounding it.

• You will be instructed on how to correctly frame, position and mount artwork.

Module 10

Working With Clients

Unit/s covered in this module:

MSFID5021 - Evaluate Site Structure and Services for Interior Spaces
MSFID4022 - Prepare Quotation and Contract Documentation for Design Projects
MSFID5025 - Develop Residential Interior Design Project Documentation
MSFID5018 - Provide Interior Styling Service


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.

You will:

• 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.

• Learn how to conduct a site evaluation.

Module 11

Visual Communication

Unit/s covered in this module:

MSFID4014 - Produce Digital Models and Documentation for Interior Design Projects
CUAANM303 - Create 3D Digital Models
CUADIG304 - Create Visual Design Components


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

You will:

• 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

Unit/s covered in this module:

BSBDES403 - Develop and Extend Design Skills and Practice
CUAPPR503 - Present a Body of Own Creative Work


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

You will:

• 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.

• Put what you have learnt throughout the course into practise by designing an office space for your new business.


Rated 4.8 out of 5 based on 1194 reviews.

  • Trish

  • 12/10/2021

Great course

Started the course with IDI in February 2021 and I have enjoyed every step. My tutor has been the absolute...

  • Louise Kempson

  • 12/10/2021


This course has been extremely insightful particularly to those who have no prior experience in interior design. The course material...

  • Alyssa Avenell

  • 11/10/2021

I switched to The Interior Design…

I switched to The Interior Design Institute to continue my studies through the Covid lockdowns. Being able to study at...

  • Lisa Neal

  • 10/10/2021

The Interior Design Institute Course is the best online course

The Interior Design Institute Course is absolutely fantastic. The program is a thorough and intense dive into everything you need...

  • Nikki

  • 10/10/2021

I am really enjoying the course and the…

I am really enjoying the course and the content covered.

  • Sarah Smith

  • 08/10/2021

Good recap!

This was a good recap module for other elements in the course, it brought together several modules and allowed the...

  • Irma Jonikaite

  • 06/10/2021

I absolutely love this course

I absolutely love this course! Learning lots, feeling inspired and already started some home renovation projects.

  • hollie

  • 03/10/2021

Fantastic course

Fantastic course! Really enjoying it so far. The modules are written out well and I love the images that are...

  • Jatin Pathak

  • 01/10/2021

Loved it so far!

Module 10 is done and I know already about so many things. The entire course is so well structured as...

  • Hayleigh Windsor

  • 30/09/2021

Love it!

I am halfway through this course and I am amazed at how much I have learnt already! It can be...

  • Chloe

  • 25/09/2021

Totally loving my experience

Totally loving my experience completing my diploma at The Interior Design Institute. The course content is clear and well put...

  • Pana

  • 24/09/2021

Should Have Enrolled Sooner!

I can't speak more highly of the Interior Design Institute. The coursework is informative and interesting whilst still being fun...

  • Karen Woodland

  • 21/09/2021

I am loving the Interior Design…

I am loving the Interior Design Institute course. It is well set out and easy to follow, and there is...

  • Cheryl Coe

  • 21/09/2021

This course has been terrific

This course has been terrific. Guided and comprehensive modules that get your skills tuned and your brain really energized by...

  • Glen Phillips

  • 19/09/2021

Mind blowing

It’s great, love the course. It is truly amazing to learn so much. Some of it I kinda knew but...