
Interior Design Course
Transform any space from ordinary to extraordinary with a comprehensive interior design education built for real results. This course takes you from foundational principles to professional project delivery, covering colour theory, space planning, materials, lighting, and client management. Whether you are launching a design career or elevating your creative practice, this is your complete blueprint to brilliance.
What you will learn:
Apply core design principles, colour theory, and spatial planning to real interior projects.
Build cohesive material palettes using finishes, textiles, flooring, and sustainable options.
Design layered lighting plans with accurate fixture specifications for any room type.
Develop professional client communication skills, from discovery interviews to final presentations.
Produce scaled floor plans, furniture schedules, and procurement documentation with confidence.
Establish a design business framework including pricing models, branding, and lead generation strategies.
How you study in a practical way Interior Design Course
How you practise Interior Design Course
For companies looking to train their teams
With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.
Course content
8 Chapters • 37 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsFoundations of Interior Design
Foundations of Interior Design
Lesson 1 • Understanding Client Needs and Lifestyle
Teaches structured discovery methods to uncover functional and emotional client requirements. Aligns design intent with real occupant behaviour from the project's outset.
Lesson 2 • Design Vocabulary and Terminology
Establishes precise professional language used in client communication and project documentation. Accurate terminology prevents costly misunderstandings on real projects.
Lesson 3 • Core Design Principles and Elements
Introduces balance, rhythm, emphasis, proportion, and unity as the grammar of design. These principles govern every spatial and aesthetic decision throughout the course.
Lesson 4 • History and Evolution of Interior Design
Traces design from ancient civilizations through modernism to contemporary practice. Provides historical context that informs every stylistic decision made later in the course.
Chapter 2HideHide detailsSee detailsColour Theory and Application
Colour Theory and Application
Lesson 1 • The Colour Wheel and Colour Relationships
Explains hue, value, saturation, and the relationships between primary, secondary, and tertiary colours. Provides the structural framework for all palette-building work that follows.
Lesson 2 • Light and Its Effect on Colour
Analyses how natural and artificial light sources shift colour perception throughout the day. Equips students to test and select colours under real lighting conditions.
Lesson 3 • Psychology of Colour in Interiors
Examines how colour influences mood, perceived space size, and occupant well-being. Connects psychological research to practical room-by-room colour decisions.
Lesson 4 • Building and Presenting Colour Palettes
Guides students through creating cohesive multi-room palettes and presenting them professionally. Bridges colour theory to client-facing deliverables used in real projects.
Chapter 3HideHide detailsSee detailsSpace Planning and Layout Design
Space Planning and Layout Design
Lesson 1 • Space Planning for Special Rooms
Applies space planning principles to kitchens, bathrooms, home offices, and commercial areas. Addresses unique functional requirements that differ from standard residential rooms.
Lesson 2 • Reading and Interpreting Floor Plans
Teaches students to decode architectural drawings, symbols, and scale notations accurately. This skill is prerequisite to every space planning and furniture selection task ahead.
Lesson 3 • Drawing Scaled Floor Plans
Instructs students in producing hand-drawn and digital scaled plans with accurate dimensions. Scaled plans are the primary communication tool between designers and contractors.
Lesson 4 • Traffic Flow and Circulation Paths
Defines primary, secondary, and emergency circulation routes and their minimum clearances. Proper flow planning prevents functional failures in completed interiors.
Lesson 5 • Furniture Arrangement Strategies
Presents proven arrangement templates for living, dining, bedroom, and open-plan spaces. Students apply these strategies to create balanced, functional room layouts.
Chapter 4HideHide detailsSee detailsMaterials, Finishes, and Textures
Materials, Finishes, and Textures
Lesson 1 • Countertops, Cabinetry, and Millwork
Evaluates stone, solid surface, wood, and metal options for countertops and built-in cabinetry. Students specify materials that balance aesthetics, budget, and functional demands.
Lesson 2 • Flooring Materials and Selection
Compares hardwood, tile, stone, carpet, vinyl, and concrete across performance and aesthetic criteria. Matching flooring to room use and client lifestyle is the core skill developed.
Lesson 3 • Wall Treatments and Finishes
Explores paint sheens, wallcoverings, panelling, plaster, and tile as wall finish options. Students learn to select treatments that reinforce the overall design concept.
Lesson 4 • Textiles, Upholstery, and Soft Goods
Covers fibre content, weave structures, performance ratings, and care requirements for interior textiles. Proper textile specification prevents premature wear and client dissatisfaction.
Lesson 5 • Sustainable and Eco-Friendly Materials
Introduces recycled, reclaimed, and low-emission materials and their environmental certifications. Sustainable specification is increasingly required by clients and building standards.
Chapter 5HideHide detailsSee detailsLighting Design Fundamentals
Lighting Design Fundamentals
Lesson 1 • Lighting Calculations and Placement
Teaches lumen output calculations, spacing rules, and fixture height guidelines for each room type. Accurate calculations prevent under-lit or glare-heavy spaces in finished projects.
Lesson 2 • Controls, Dimmers, and Smart Lighting
Covers dimmer compatibility, scene programming, and smart-home lighting integration for modern interiors. Control systems multiply the functional value of any lighting design.
Lesson 3 • Light Sources and Fixture Types
Compares LED, fluorescent, halogen, and incandescent sources by efficiency, colour rendering, and cost. Fixture type selection directly affects energy use and maintenance schedules.
Lesson 4 • Types of Lighting and Their Functions
Distinguishes ambient, task, accent, and decorative lighting and their roles in a complete scheme. Understanding each layer is essential before designing any lighting plan.
Lesson 5 • Creating a Room Lighting Plan
Guides students through drafting a complete lighting plan with fixture schedules and switching diagrams. This deliverable is required on virtually every professional design project.
Chapter 6HideHide detailsSee detailsFurniture Selection and Sourcing
Furniture Selection and Sourcing
Lesson 1 • Furniture Styles and Historical Context
Surveys major furniture periods from traditional to contemporary and identifies their defining characteristics. Style literacy enables designers to mix periods cohesively and advise clients confidently.
Lesson 2 • Sourcing Channels and Trade Resources
Maps the landscape of retail, trade-only, custom, and vintage sourcing options available to designers. Knowing where to source efficiently is a core professional competency.
Lesson 3 • Furniture Specification and Scheduling
Teaches students to write complete furniture specifications and compile organised procurement schedules. Accurate schedules prevent ordering errors and keep projects on timeline.
Lesson 4 • Construction Quality and Durability
Evaluates joinery methods, frame materials, cushion construction, and finish quality in furniture. Specifying durable pieces protects client investment and the designer's professional reputation.
Lesson 5 • Budget Allocation and Value Engineering
Presents strategies for distributing furniture budgets across investment and value-tier pieces. Students learn to achieve high-design results within real-world budget constraints.
Chapter 7HideHide detailsSee detailsStyling, Accessories, and the Final Layer
Styling, Accessories, and the Final Layer
Lesson 1 • Principles of Decorative Accessorising
Applies design principles to object grouping, scale variation, and layering of decorative items. Accessories are the final layer that transforms a furnished room into a designed space.
Lesson 2 • Plants, Greenery, and Biophilic Elements
Integrates living plants, preserved botanicals, and natural materials to support biophilic design goals. Greenery improves air quality, mood, and the perceived warmth of any interior.
Lesson 3 • Art Selection and Placement
Covers art sourcing, scale selection, hanging heights, and gallery wall composition for interiors. Properly placed art anchors a room and reflects the client's personal narrative.
Lesson 4 • Vignette Styling and Tablescaping
Teaches the construction of styled vignettes on consoles, shelves, coffee tables, and dining surfaces. Vignette skills are essential for both client installations and portfolio photography.
Chapter 8HideHide detailsSee detailsProject Management and Client Delivery
Project Management and Client Delivery
Lesson 1 • Contracts, Fees, and Agreements
Covers letter-of-agreement components, fee structures, and scope-of-work definitions for design services. Proper contracts protect both the designer and the client throughout the project.
Lesson 2 • Portfolio Documentation and Photography
Guides students in photographing completed projects and curating images for a professional portfolio. A strong portfolio is the primary marketing tool for every interior design career.
Lesson 3 • Project Phases and Design Process
Maps the standard design process from discovery through schematic design, development, and installation. A clear phase structure keeps projects organised and client expectations aligned.
Lesson 4 • Installation Day Planning and Execution
Prepares students to coordinate movers, tradespeople, and deliveries for a seamless installation day. A well-executed installation is the moment the client's vision becomes reality.
Lesson 5 • Procurement, Ordering, and Tracking
Establishes systems for placing orders, tracking shipments, and managing vendor communications efficiently. Procurement errors are among the most common causes of project delays and cost overruns.
Your valid completion certificate
This course is for you:
Aspiring designers: ready to convert a lifelong passion into a genuine profession.
Homeowners: wishing to redesign their own spaces with professional-level confidence.
Decorators: seeking structured knowledge to move beyond instinct and intuition.
Career changers: leaving unrelated fields to build a creative, client-facing business.
Architects: expanding their scope to include full interior design service offerings.
Staging professionals: looking to deepen expertise and attract higher-value clientele.
What our students say
Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...

I like how the lessons are straight to the point and how I can change chapters and skip content that I don't need.

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The platform is fast, simple to use. The diversity of content and complementary videos help a lot in learning.

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