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Interior Decor Course
More than 2 million students worldwide

Interior Decor Course

Transform any space with the knowledge and skills professional interior designers use every day. This comprehensive Interior Decor Course covers everything from color theory and furniture selection to lighting design and client management. Whether you want to redesign your own home or launch a design career, this course gives you the tools to make it happen.

Dedika for businesses

What you will learn:

You will build a strong foundation in design principles, color theory, materials, and lighting strategies used by working interior designers. You will learn how to plan and furnish rooms of every type, from kitchens and bathrooms to home offices and commercial spaces. The course also covers sustainable design, digital tools, and 3D visualization so your work meets modern industry standards. You will develop the business and communication skills needed to manage clients, budgets, and vendor relationships professionally. By the end, you will have a complete portfolio and the confidence to take on real design projects.

How you study in practice Interior Decor Course

How you practice Interior Decor 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.

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Course Content

8 Chapters • 36 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Foundations of Interior Design

  • Lesson 1 • Core Elements of Design

    Introduces line, shape, form, texture, and pattern as the building blocks of any interior. Connects each element to practical decorating decisions.

  • Lesson 2 • Understanding Space and Scale

    Examines how spatial volume, ceiling height, and furniture scale interact. Develops the ability to read and manipulate perceived room size.

  • Lesson 3 • Principles of Design

    Covers balance, rhythm, emphasis, proportion, and unity as organizing principles. Students apply each principle to evaluate and improve room layouts.

  • Lesson 4 • History and Evolution of Interior Decor

    Traces design movements from antiquity to contemporary styles. Provides historical context that informs current aesthetic choices.

Chapter 2See details

Color Theory and Application

  • Lesson 1 • Developing and Presenting Color Palettes

    Guides creation of cohesive multi-room palettes and professional presentation boards. Bridges theory to client-facing deliverables.

  • Lesson 2 • The Color Wheel and Color Models

    Explains primary, secondary, and tertiary colors alongside additive and subtractive models. Establishes the technical foundation for all palette work.

  • Lesson 3 • Color Harmonies and Schemes

    Teaches complementary, analogous, triadic, and split-complementary schemes. Students select schemes that reinforce a room's intended atmosphere.

  • Lesson 4 • Psychology of Color in Interiors

    Explores emotional and behavioral responses to specific hues in living and work environments. Links color choices to client lifestyle and room function.

Chapter 3See details

Materials, Finishes, and Textures

  • Lesson 1 • Sustainable and Eco-Friendly Materials

    Introduces recycled, reclaimed, and low-emission materials and relevant environmental certifications. Prepares students to meet green design standards.

  • Lesson 2 • Hard Surface Materials

    Surveys stone, tile, wood, concrete, and metal for floors, walls, and countertops. Evaluates durability, maintenance, and cost trade-offs.

  • Lesson 3 • Wall Treatments and Finishes

    Examines paint sheens, wallcoverings, paneling, and decorative plaster. Teaches selection based on room use, humidity, and design intent.

  • Lesson 4 • Flooring Selection and Specification

    Compares carpet, luxury vinyl, laminate, and area rugs for residential and commercial use. Guides specification based on traffic, moisture, and budget.

  • Lesson 5 • Soft Furnishing Fabrics

    Covers upholstery, drapery, and bedding textiles including weave structures and performance ratings. Connects fabric choice to durability and style.

Chapter 4See details

Furniture Selection and Arrangement

  • Lesson 1 • Furniture Styles and Construction

    Reviews major furniture periods and construction methods including joinery and frame materials. Enables quality assessment and style matching.

  • Lesson 2 • Ergonomics and Human Dimensions

    Applies anthropometric data and ergonomic standards to furniture selection. Ensures comfort and usability across diverse user groups.

  • Lesson 3 • Sourcing and Specifying Furniture

    Covers trade resources, lead times, and specification sheets for residential and contract furniture. Prepares students for professional procurement.

  • Lesson 4 • Space Planning and Furniture Layout

    Teaches bubble diagrams, traffic flow analysis, and scaled floor plan drafting. Produces functional layouts that balance aesthetics and movement.

Chapter 5See details

Lighting Design for Interiors

  • Lesson 1 • Lighting Plans and Documentation

    Guides creation of reflected ceiling plans, fixture schedules, and photometric reports. Produces professional lighting documentation for contractor use.

  • Lesson 2 • Controls, Dimmers, and Smart Lighting

    Covers dimmer compatibility, scene programming, and smart-home lighting integration. Enables students to specify controllable, energy-efficient systems.

  • Lesson 3 • Layers of Interior Lighting

    Introduces ambient, task, accent, and decorative lighting layers and their roles. Teaches how layering creates flexible, dynamic interior environments.

  • Lesson 4 • Fundamentals of Light and Vision

    Explains lumens, lux, color temperature, and CRI as measurable lighting properties. Connects these metrics to human visual comfort and design goals.

  • Lesson 5 • Fixture Types and Selection

    Surveys recessed, pendant, track, sconce, and floor lamp categories with specification criteria. Matches fixture type to ceiling height and room function.

Chapter 6See details

Window Treatments and Soft Furnishings

  • Lesson 1 • Measuring and Specifying Window Treatments

    Teaches inside and outside mount measuring, fullness ratios, and workroom order forms. Prevents costly errors through precise specification practices.

  • Lesson 2 • Window Treatment Styles and Functions

    Surveys curtains, drapes, Roman shades, blinds, and shutters by function and aesthetic. Connects treatment choice to light control and privacy needs.

  • Lesson 3 • Hardware, Rods, and Installation

    Covers rod styles, bracket placement, and finial selection for drapery hardware. Ensures structural integrity and visual proportion in installation.

  • Lesson 4 • Pillows, Throws, and Decorative Accessories

    Guides selection, sizing, and arrangement of pillows, throws, and tabletop accessories. Teaches layering soft goods to add depth and personality.

Chapter 7See details

Design Process and Project Management

  • Lesson 1 • Project Scheduling and Closeout

    Develops Gantt-style timelines, installation day coordination, and punch-list management. Delivers polished project closeout and client handover.

  • Lesson 2 • Design Development and Specifications

    Covers detailed drawings, finish schedules, and furniture specifications that guide procurement. Bridges concept approval to construction documentation.

  • Lesson 3 • Concept Development and Mood Boards

    Guides ideation, concept statement writing, and mood board assembly for client approval. Translates abstract ideas into tangible visual direction.

  • Lesson 4 • Client Discovery and Brief Development

    Teaches intake interviews, lifestyle questionnaires, and brief writing to capture client needs. Establishes a clear project scope before design begins.

  • Lesson 5 • Budgeting and Financial Management

    Teaches budget creation, cost tracking, markup strategies, and invoice management. Ensures projects remain financially viable and transparent.

Chapter 8See details

Room-by-Room Design Application

  • Lesson 1 • Bedroom and Sleep Space Design

    Focuses on bed placement, storage optimization, and lighting for rest and wellness. Creates serene, functional personal retreats.

  • Lesson 2 • Bathroom and Spa-Inspired Design

    Addresses fixture layout, tile selection, and ventilation in wet environments. Applies spa design principles to residential bathrooms.

  • Lesson 3 • Kitchen and Dining Space Design

    Covers cabinetry layout, countertop selection, and dining furniture sizing for functional kitchens and dining rooms. Integrates workflow and aesthetics.

  • Lesson 4 • Home Office and Study Design

    Designs productive workspaces with ergonomic furniture, acoustic control, and task lighting. Addresses hybrid home-office aesthetic integration.

  • Lesson 5 • Living and Family Room Design

    Addresses seating arrangements, entertainment integration, and multi-generational use in main living areas. Balances comfort with visual cohesion.

Certification

Your valid completion certificate

This course is for you:

  • Aspiring designer: eager to turn a lifelong passion into a paying profession.

  • Homeowner: ready to renovate confidently without relying on hired designers.

  • Real estate professional: wanting to stage and style listings for faster sales.

  • Career changer: seeking a creative field with clear, practical entry points.

  • Freelancer: looking to add interior styling to an existing creative service offering.

  • Recent graduate: exploring design specializations before committing to a single career path.

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...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the presentation style and video transcription, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.
André Felipe
André FelipePrompt Engineering Student

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