What Courses Should You Take to Become an Interior Designer?

Search "interior design courses" and you'll find everything from a $30 weekend class on color palettes to a $200,000 BFA. Somewhere in that range is the right mix for you, and the trick is knowing which skills are non-negotiable, which are nice-to-have, and which you can learn on the job.

This guide organizes interior design coursework by what it teaches, not by where it's taught, so you can build a curriculum around your goals, whether that's a full degree, a certificate, or a self-directed stack of online classes.

First, decide what kind of designer you're becoming

The courses you need depend on where you're headed.

If you want to work in commercial design (offices, hospitality, healthcare, retail) or in a state that regulates the title "interior designer," you'll need coursework that satisfies NCIDQ eligibility, which means at least 60 credit hours of interior design education, ideally from a CIDA-accredited program. That's a structured curriculum, and the school largely decides what you take.

If you want to do residential design, helping people plan, furnish, and style their homes, you have far more freedom. No state requires a specific credential for residential decorating and design. You can assemble your own curriculum from certificate programs, online courses, and hands-on practice, and start working with clients much sooner.

Most of this guide is written for the second group, because that's where most new designers begin. But the core skills are the same either way. For the bigger-picture comparison of paths into the field — degree, self-built, platform — see how to become an interior designer.

The core courses every interior designer needs

These are the fundamentals. If you take nothing else, take these.

1. Elements and principles of design

Every design program starts here: balance, scale, proportion, rhythm, emphasis, harmony, contrast. It sounds abstract until you realize it explains why a room "feels off" and gives you the vocabulary to fix it. This is also where you learn to look critically at spaces, which is the skill underneath all the others.

2. Space planning

Space planning is how you turn a floor plan into a room that works. You learn traffic flow, clearances (how much space a dining chair needs to pull out, how wide a walkway should be), furniture arrangement, and how to zone an open-plan space. It's the most practical course you'll take and the one that most separates a designer from someone with good taste. Clients rarely notice great space planning, but they always notice bad space planning.

3. Color theory

Color theory covers the color wheel, undertones, value and saturation, how light changes color, and how to build a palette that holds together across a whole home. Good color instruction goes beyond "complementary colors" into how paint reads on north- versus south-facing walls, why the same gray looks blue in one room and green in another, and how to sequence color from room to room.

4. Materials, finishes, and textiles

You need to know the difference between quartz and quartzite, engineered and solid hardwood, performance fabric and regular upholstery, and why it matters for a family with two dogs. This course covers durability, maintenance, cost tiers, sustainability, and how materials combine. It's also where you start building the mental library of products that lets you specify confidently.

5. Lighting design

Lighting is the most under-taught and most transformative part of interior design. A good lighting course covers layering (ambient, task, accent), color temperature, lumens versus watts, fixture types, placement, dimming, and how to create a lighting plan. Nearly every room a new designer touches can be improved with better lighting, and clients feel the difference immediately.

6. Drafting and technical drawing

Even residential designers need to read and produce floor plans, elevations, and furniture plans. Start with hand drafting to understand scale and convention, then move to digital tools. You don't need to become an architect, but you do need to communicate precisely with contractors, installers, and clients.

7. Visualization and presentation tools

This is the area where the advice has changed most in the last few years. Until recently, a new residential designer was told to spend weeks learning a 3D modeling program like SketchUp so they could produce renderings for clients. That's no longer a requirement. AI visualization tools can now turn a photo of a room, a floor plan, or a mood board into a realistic rendering in minutes, with no modeling skills involved. For most residential work, that's enough to show a client what a space will look like and to sell a concept.

What you still need is the ability to communicate a design clearly: a mood board that holds together, a furniture plan that shows what goes where, and a way to present product selections and pricing. Canva, Adobe Photoshop or InDesign, and dedicated tools like Morpholio Board or Mydoma are all widely used for this, and the learning curve is short.

If you're aiming for a firm or commercial work, the picture is different. AutoCAD remains the standard for 2D construction drawings, and Revit is expected in BIM-heavy commercial and architectural settings. Traditional 3D modeling tools like SketchUp and Chief Architect are still common there too. But if your goal is independent residential design, don't let "I can't render" stop you. That barrier has largely fallen.

8. History of interiors and furniture

Understanding the difference between Georgian, Art Deco, Mid-Century Modern, and Scandinavian, and why a Saarinen table reads differently than a Parsons table, gives you range and gives clients confidence. It's also how you avoid producing rooms that look like a single Pinterest board.

The business courses most programs skip

Design programs, understandably, focus on teaching you to design. The business of running a practice is usually a smaller part of the curriculum, and it's the part you'll lean on most if you work for yourself. According to the BLS, about a quarter of interior designers are self-employed, and even designers at firms are expected to understand budgets and client management. These are the areas to supplement on your own.

Client management and presentation

How to run a discovery call, set expectations, present concepts, handle revisions, and say no. Many short online courses and books cover this, and it's worth learning before your first client, not after.

Pricing and business models

How designers actually charge: hourly, flat fee, per-room, percentage of budget, cost-plus markup on furniture, or a hybrid. Understanding trade pricing (the discounted rate brands offer to design professionals) and how markup works is essential. This is often where new designers leave the most money on the table, because they don't realize that the furniture they're specifying is a revenue stream.

Sourcing and procurement

How to source at trade level, read a vendor's terms, manage lead times, handle freight and receiving, and process returns and damage claims. This is the operational heart of a furnishing project and the part most new designers dread. (It's also the part platforms like Suede exist to handle, more on that below.)

Sales tax, contracts, and basics of running a business

If you sell furniture to clients, you're a retailer in the eyes of the state, with everything that implies: resale certificates, collecting and remitting sales tax, and understanding which states tax design services. Add a basic contracts course and an introduction to bookkeeping. Read our guide to sales tax for interior designers for the details.

Where to take interior design courses

Degree programs (BFA, BS, BA, MFA)

The most complete option and the one required for the NCIDQ path. CIDA-accredited programs cover everything above in a structured sequence with studio critiques, and they're the standard credential at architecture and commercial firms. Four years, significant cost. We break down top programs in our guide to the best interior design programs.

Certificate programs

Universities and design schools offer certificates that run from a few months to two years, often through continuing-education divisions and often part-time or online. Examples include programs at Parsons (The New School), UCLA Extension, NYSID, the New York Institute of Art and Design, and many community colleges. Certificates typically cover the core courses above without the general-education requirements of a degree. Costs vary widely, from a few thousand dollars to tens of thousands. If you're coming from another field, our career switch guide covers how to sequence this training alongside a day job.

Online course platforms

For self-directed learners, a stack of individual courses can cover the fundamentals at a fraction of the cost. Platforms like Coursera, Skillshare, Domestika, Udemy, and MasterClass offer interior design courses ranging from broad introductions to deep dives on a single skill like lighting or color. Quality varies enormously, so look for instructors who are practicing designers with visible portfolios, and read recent reviews.

Some designers also run their own courses on the business of interior design, which can be more useful than generic platform content because they're teaching from current practice.

Podcasts and designer-run workshops

Ask working designers how they learned the business side, and alongside whatever formal training they had, you'll almost always hear about podcasts, one-off workshops, and other designers. Many independent designers describe the same pattern: a course or two for the technical foundation, time working alongside more experienced designers, and then a steady diet of design business podcasts and short topic-specific workshops, discovered through word of mouth. A few resources that come up again and again:

The Business of Home podcast is the closest thing the industry has to required listening. Host Dennis Scully interviews established designers and industry figures about how they actually run their businesses: pricing, hiring, sourcing, client management, and the mistakes they made along the way. Business of Home has since expanded into several shows, and the back catalog is a free education in the economics of design.

The Interior Collective, the podcast from IDCo Studio, focuses on the practical side of building a design business, with episodes on systems, marketing, pricing, and processes drawn from working designers. It's especially useful for people building a residential practice from scratch.

With Tandem, run by a Utah-based designer named Renee, offers 90-minute workshops for designers on a single specific topic each, such as how to structure client presentations or how to grow a team. Recordings of past sessions are available to purchase on the site, often bundled with templates and worksheets you can put to use immediately.

Look for more of these as you go. Many established designers now run their own workshops, templates, and small-group programs, and the good ones teach from current practice. The pattern to notice is that the business side of design is learned largely from other designers, which is one more reason to build a network of peers early.

One thing worth saying here: a meaningful share of business coaching for designers exists to teach you how to manage the admin, including setting up procurement, invoicing with the right sales tax, tracking orders, and chasing payments. That's valuable if you're building all of it yourself. But it's also a layer you can largely skip. Suede handles trade-level sourcing, invoicing, sales tax, and ordering for you, which means less of your learning time goes to back-office systems and more goes to design and clients. And because Suede designers are part of a community of peers, the "find a close-knit group of designer friends who share openly" advice that experienced designers give comes built in, rather than being something you have to assemble on your own over years.

Tool-specific training

If you're heading toward a firm and need AutoCAD or Revit, Autodesk offers official tutorials and YouTube has an ocean of free instruction; budget a few weeks of consistent practice for basic proficiency. For residential designers, the more useful investment is a short course on presentation and mood-boarding, plus an afternoon experimenting with AI rendering tools so you know what they can and can't do for your clients.

Learning on real projects

No course replaces doing the work. Once you have the fundamentals, the fastest learning happens on actual projects with actual budgets and actual clients. Redesign your own space. Take a friend's living room. Then take a paying project, even a small one. Every real project teaches you something a classroom can't: how a client changes their mind, how a sofa arrives damaged, how a lead time slips.

A sample self-directed curriculum for a residential designer

If you want to skip the degree and build your own path, here's a realistic sequence you could complete in six to twelve months of part-time study:

Months 1–2: Elements and principles of design, color theory, and a history of interiors course. Start a daily habit of analyzing rooms you love and articulating why.

Months 3–4: Space planning and materials/finishes. Begin hand-drafting floor plans of your own home and rooms you know well.

Months 5–6: Presentation skills and a mood-board tool, plus hands-on time with AI visualization tools. Reimagine your own apartment and produce two or three concept boards with renderings for imaginary briefs.

Months 7–8: Lighting design and a client-management course. Take your first real project, even unpaid, and document it carefully.

Months 9–12: Pricing, sourcing, and business basics. Take your first paid project. Set up a portfolio page and a simple booking flow.

By the end, you'll have real work in your portfolio, working proficiency in the tools, and a clear understanding of how the business side runs.

A note on the business side

If you look at that curriculum, roughly a third of it is about running a business rather than designing. That's not an accident. The hardest part of going from "person with great taste" to "working designer" isn't the design; it's the trade accounts, the invoicing, the sales tax, the ordering and receiving.

That's the gap Suede was built to close. Suede provides trade-level sourcing across 100+ brands and handles the invoicing, sales tax, and ordering. You also join a community of designers at a similar stage, so the peer network that takes most people years to build is there from the start. You still need to learn how to design well. But you don't need to learn bookkeeping, set up an LLC, or spend months building your own sourcing operation before you can take your first paying client.

Frequently asked questions

Can I learn interior design online? Yes. The core skills (design principles, space planning, color, materials, software) are all well taught online. The one thing online courses can't give you is studio critique, so seek out feedback from working designers or a community of peers.

What's the most important course for a beginner? Space planning. It's the skill most people with "good taste" lack, and it's the one clients feel most.

Do I need to learn AutoCAD or SketchUp? For residential independent work, no. A good presentation tool plus AI visualization tools covers most projects, and you don't need to know how to render by hand anymore. For firm employment or commercial work, AutoCAD and often Revit are still expected.

How much do interior design courses cost? Anywhere from free (YouTube, library books) to a few hundred dollars for individual online courses, a few thousand to tens of thousands for certificates, and six figures for a private-school degree.

Do I need a certificate to work as an interior designer? Not for residential work. A certificate helps your credibility and structures your learning, but your portfolio is what clients care about.

Start learning, start earning

The best interior design education is one that gets you in front of real projects as quickly as possible, with enough fundamentals to do them well. Take the core courses, get comfortable presenting your ideas, understand how the money works, and start.

If the business side is the part holding you back, Suede handles it — trade-level sourcing, invoicing, sales tax, and ordering — so you can earn on the design you already do while you keep learning. Join the waitlist here.