Interior design is part art, part problem-solving, and part building science. You plan spaces so people can use them safely, comfortably and beautifully, then turn your ideas into drawings that contractors can build from. Most working designers hold a bachelor's degree, and many US states regulate the title 'interior designer' or require registration for commercial work, so this roadmap pairs free self-study with a clear plan for the formal pieces. You will learn to see space and scale, draft in CAD, understand codes and ADA, communicate with clients, and build a portfolio of real, documented
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Every stage from beginner to expert, with lessons, practice drills, projects, interview questions and free resources. Free with a Rolearch account.
Stage 1 of 3 · about 12 weeks
Understand design principles, read and draw floor plans by hand and in basic software, and complete your first small space plan.
Design principles and color
Every choice you make, from layout to paint, rests on balance, rhythm, emphasis, proportion, contrast and color harmony. If you know why a room feels calm or cramped, you can fix it on purpose instead of by luck.
Measuring, scale and space planning
Clients pay you to make spaces work. That starts with measuring accurately and drawing to scale, so furniture actually fits and people can move around it.
Basic drafting and 2D CAD
Construction documents are the main product of the job. Learning to draft plans, elevations and sections lets you communicate with builders in the language they use.
History of design and style literacy
Clients will say 'mid-century' or 'farmhouse' and expect you to know what they mean. Knowing styles gives you a shared vocabulary and ideas to borrow from.
Then 2 more stages (about 72 weeks in all) with lessons, drills, projects, 6 interview questions with strong answers and free resources.