
Interior Decoration Course
Transform any space with the skills professional interior decorators use every day. This comprehensive course covers color theory, space planning, furniture selection, lighting design, and client management — everything you need to decorate with confidence and start working with real clients.
What you will learn:
You will learn the core principles of interior decoration, including color theory, space planning, furniture selection, textiles, and lighting design. You will develop the ability to create scaled floor plans, build material sample boards, and design layered lighting schemes. The course also covers how to manage client relationships from the first consultation through installation day. You will gain hands-on knowledge of sustainable design, digital tools, and specialty spaces like short-term rentals and home staging. By the end, you will have a professional portfolio and the business skills to price, market, and grow your decoration practice.
How you study in practice Interior Decoration Course
How you practise Interior Decoration Course
For companies looking to train their team
With Dedika for Business, 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 Decoration
Foundations of Interior Decoration
Lesson 1 • History and Evolution of Interior Design
Traces decoration from ancient dwellings to contemporary interiors. Provides historical context that informs modern aesthetic choices.
Lesson 2 • Elements of Interior Decoration
Defines line, shape, form, space, texture, and pattern as the building blocks of every design decision. Connects elements to the principles introduced earlier.
Lesson 3 • Professional Roles and Industry Overview
Distinguishes interior decorators from interior designers and architects. Clarifies scope of practice, client relationships, and industry career paths.
Lesson 4 • Core Design Principles
Introduces balance, rhythm, emphasis, proportion, and unity. These principles form the evaluative lens used throughout the entire course.
Chapter 2HideHide detailsSee detailsColor Theory and Application
Color Theory and Application
Lesson 1 • Lighting and Color Interaction
Explores how natural and artificial light alter color perception. Prepares students to test and adjust palettes under real lighting conditions.
Lesson 2 • Color Schemes and Harmonies
Teaches complementary, analogous, triadic, and split-complementary schemes. Students apply each scheme to room scenarios for practical understanding.
Lesson 3 • Color Psychology in Interiors
Examines how color affects mood, perceived space, and occupant behavior. Links psychological research to room-specific color recommendations.
Lesson 4 • Developing a Room Color Palette
Guides students through a structured palette-building process from inspiration to final specification. Integrates all prior color concepts into a deliverable.
Lesson 5 • Understanding the Color Wheel
Covers hue, value, saturation, and color relationships. Establishes the technical vocabulary needed for all color decisions in the chapter.
Chapter 3HideHide detailsSee detailsSpace Planning and Layout
Space Planning and Layout
Lesson 1 • Accessibility and Universal Design
Introduces inclusive design standards for mobility, reach, and safety. Ensures students can serve clients with diverse physical needs.
Lesson 2 • Furniture Arrangement Principles
Applies scale, proportion, and function to furniture groupings. Students arrange seating, storage, and work zones for multiple room types.
Lesson 3 • Space Planning for Small Rooms
Addresses visual expansion techniques and compact furniture solutions. Builds problem-solving skills for challenging, undersized spaces.
Lesson 4 • Reading and Creating Floor Plans
Teaches measurement, drafting conventions, and scaled drawing techniques. Floor plan literacy is essential for all subsequent layout work.
Lesson 5 • Traffic Flow and Circulation
Analyzes how people move through spaces and identifies clearance requirements. Proper circulation planning prevents costly furniture placement errors.
Chapter 4HideHide detailsSee detailsFurniture Selection and Styles
Furniture Selection and Styles
Lesson 1 • Sourcing and Budgeting Furniture
Covers retail, wholesale, trade-only, and vintage sourcing channels. Students build a furniture budget aligned with client priorities.
Lesson 2 • Major Furniture Style Periods
Surveys traditional, transitional, and contemporary furniture lineages. Style literacy enables accurate client communication and sourcing decisions.
Lesson 3 • Selecting Furniture for Each Room
Applies scale, function, and style criteria to living, dining, bedroom, and office spaces. Connects furniture selection to the floor plans created earlier.
Lesson 4 • Furniture Construction and Quality
Examines joinery, frame materials, and upholstery construction. Quality assessment skills protect clients from poor investments.
Chapter 5HideHide detailsSee detailsTextiles, Materials, and Finishes
Textiles, Materials, and Finishes
Lesson 1 • Window Treatments and Soft Furnishings
Covers drapery, blinds, shades, and decorative pillows as functional and aesthetic elements. Connects soft furnishings to the room's color palette and style.
Lesson 2 • Creating a Material Sample Board
Guides students through assembling a cohesive material board for client review. Integrates all material categories into a professional presentation tool.
Lesson 3 • Wall Finishes and Treatments
Explores paint sheens, wallpaper, paneling, and decorative plaster. Wall finish selection ties directly to the color and texture strategies studied earlier.
Lesson 4 • Fabric Types and Performance
Classifies natural, synthetic, and blended textiles by durability, texture, and care requirements. Fabric knowledge prevents costly specification errors.
Lesson 5 • Flooring Materials and Selection
Compares hardwood, tile, carpet, vinyl, and natural stone for performance and aesthetics. Students match flooring to room function and client lifestyle.
Chapter 6HideHide detailsSee detailsLighting Design for Interiors
Lighting Design for Interiors
Lesson 1 • Fixture Types and Selection
Surveys chandeliers, pendants, recessed lights, sconces, and floor lamps. Students match fixture style and output to room requirements.
Lesson 2 • Controls, Dimmers, and Smart Lighting
Covers dimmer compatibility, scene programming, and smart lighting systems. Control strategies add flexibility and energy efficiency to any scheme.
Lesson 3 • Lighting Calculations and Placement
Introduces lumen requirements, spacing rules, and ceiling height considerations. Accurate calculations prevent under-lit or over-lit spaces.
Lesson 4 • Fundamentals of Interior Lighting
Defines ambient, task, and accent lighting layers and their roles. Establishes the framework for all lighting decisions in the chapter.
Chapter 7HideHide detailsSee detailsStyling, Accessories, and Art
Styling, Accessories, and Art
Lesson 1 • Principles of Decorative Styling
Teaches the rule of odds, layering, and height variation for object arrangement. Styling principles transform furnished rooms into finished, curated spaces.
Lesson 2 • Plants and Biophilic Elements
Integrates indoor plants, natural materials, and water features into decoration. Biophilic elements improve well-being and add organic texture to spaces.
Lesson 3 • Gallery Walls and Art Arrangements
Guides students through planning and installing multi-piece wall arrangements. Builds on single-piece placement skills with more complex compositions.
Lesson 4 • Selecting and Placing Art
Covers art scale, hanging height, and framing choices for various room contexts. Art selection reinforces the room's color palette and emotional tone.
Lesson 5 • Vignette Styling Techniques
Applies all styling principles to create composed vignettes on shelves, consoles, and tabletops. Vignettes serve as the final finishing layer of any room.
Chapter 8HideHide detailsSee detailsClient Projects and Design Process
Client Projects and Design Process
Lesson 1 • Client Intake and Brief Development
Covers discovery meetings, questionnaires, and brief writing to capture client needs. A strong brief prevents scope creep and misaligned expectations.
Lesson 2 • Sourcing, Procurement, and Scheduling
Manages vendor orders, lead times, and delivery coordination for a complete project. Procurement skills keep projects on time and within budget.
Lesson 3 • Installation Day and Styling
Prepares students for on-site furniture placement, accessory styling, and final adjustments. Installation execution is the visible culmination of all prior planning.
Lesson 4 • Project Documentation and Portfolio
Covers photography, project write-ups, and portfolio assembly for professional use. Documentation builds credibility and attracts future clients.
Lesson 5 • Concept Development and Mood Boards
Translates the client brief into a visual concept using mood boards and inspiration imagery. Concept approval aligns client and decorator before purchasing begins.
Your valid completion certificate
This course is for you:
Aspiring decorators: ready to turn a lifelong passion into a real career.
Career changers: seeking a creative profession with tangible, visible results.
Homeowners: wanting expert-level skills to redesign their own living spaces.
Real estate agents: looking to add home staging expertise to their services.
Crafters and DIY enthusiasts: eager to elevate projects with professional design logic.
Small business owners: aiming to create polished, client-facing commercial environments.
What our students say
Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to switch 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 I don't need.

I like the content and the presentation style and video transcription, which speeds up the process!

The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.

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