Interior Designer vs. Interior Decorator: What’s the Difference?
If you're planning a remodel or updating your home, you may hear the terms interior designer and interior decorator used interchangeably.
They're related—but they're not necessarily the same thing.
An interior decorator typically focuses on the appearance and styling of a finished space.
An interior designer may work much deeper into the planning of the space itself, including layouts, materials, cabinetry, lighting, construction documentation, building codes, accessibility, and coordination with contractors and trades.
But there's another part of this conversation that homeowners—and even many people entering the design industry—don't realize:
In many states, simply using the general title “interior designer” does not necessarily mean someone has a degree in interior design, has passed a professional examination, or holds a state-issued interior design credential.
Interior design regulation varies significantly by state. As of 2026, a majority of U.S. states have some form of legislation recognizing or regulating parts of the profession, but the type of regulation and the protected credential or title differ by jurisdiction.
That distinction matters.
What Does an Interior Decorator Do?
Interior decorating primarily deals with the visual layer of an interior space.
A decorator may help you select:
Furniture
Rugs
Artwork
Accessories
Window treatments
Paint colors
Decorative lighting
Pillows and textiles
Styling pieces
Color palettes
A talented decorator can completely transform a room.
Decorating requires an understanding of color, scale, proportion, balance, furniture placement, and how different elements work together visually.
For a homeowner who already has a functional space and primarily wants to make it look more beautiful and cohesive, an interior decorator may be exactly what they need.
What Does an Interior Designer Do?
Interior design can include decorating, but the profession can extend much further into the planning and function of the built environment.
Depending on the designer's education, experience, credentials, local regulations, and scope of practice, an interior designer may work with:
Space planning
Floor plans
Kitchen layouts
Bathroom layouts
Cabinetry
Lighting plans
Electrical locations
Plumbing fixture selections
Flooring
Tile and stone
Countertops
Finish specifications
Accessibility
Building and life-safety considerations
Construction documentation
Contractor coordination
Furniture and furnishings
Installation and styling
Qualified interior designers working within regulated scopes may also be expected to understand subjects such as building codes, fire and life safety, materials, and accessibility standards.
This is why interior design isn't simply about making a room look beautiful.
It's about understanding how people use a space and creating an environment that is functional, safe, practical, and beautiful.
Interior Designer vs. Decorator: A Simple Example
Imagine you're remodeling your kitchen.
A decorator might help you determine the aesthetic direction of the room and select decorative elements that make the finished kitchen feel cohesive.
An interior designer involved in the remodel might start much earlier.
Should the island move?
Is there enough clearance around it?
Does the refrigerator location make sense?
Where should the pendants be centered?
How does the cabinetry function?
Where should outlets go?
How will the flooring transition?
What size fixtures work with the room?
How does the kitchen connect visually and functionally to the adjoining spaces?
Then, once those decisions are made, the designer may also help select the finishes, colors, lighting, hardware, furniture, and styling.
That's the difference between decorating the room and helping design the room itself.
Here's Where It Gets Confusing: The Title “Interior Designer”
This is where consumers should pay attention.
Interior design regulation in the United States is not uniform.
Some jurisdictions regulate particular interior-design credentials or scopes of practice through title acts, while others have broader practice-related requirements. Under a title act, qualified professionals can voluntarily register and use a protected designation such as Registered Interior Designer, Certified Interior Designer, or Licensed Interior Designer. Practice acts can regulate who may perform a defined scope of professional interior-design work.
But that does not mean the generic phrase “interior designer” is automatically a protected professional title everywhere.
In fact, CIDQ's model legislation specifically distinguishes regulated titles such as Registered Interior Designer from the more general term interior designer.
So depending on where you live, someone may be able to market themselves as an interior designer without having completed an accredited interior design degree or obtaining a regulated professional credential.
That doesn't automatically mean they're inexperienced or unqualified.
But it does mean that the title alone doesn't tell you everything you need to know.
Why Does That Matter for the Interior Design Industry?
This lack of consistency creates one of the biggest sources of confusion within the interior design industry.
Two people can both introduce themselves as interior designers while having completely different backgrounds.
One may have formal interior design education, years of construction experience, extensive knowledge of drawings and specifications, and professional certifications.
Another may have entered the industry through decorating, home staging, furniture sales, self-directed education, or hands-on experience.
And both may be talented.
The problem isn't that there are different paths into design.
The problem is that the consumer often can't tell the difference simply by looking at the job title.
That can make it difficult for homeowners to understand why one designer charges significantly more than another or why one firm is comfortable handling a complex remodel while another focuses primarily on furnishings.
It can also contribute to the misconception that interior design is simply choosing colors and furniture.
Professional organizations have spent years advocating for greater recognition of interior designers' role in public health, safety, accessibility, building codes, and the built environment. Regulation continues to evolve; in 2026 alone, numerous states considered legislation affecting interior-design licensing or registration.
Does an Interior Designer Need a Degree?
Not necessarily—and this requires some nuance.
The requirements depend on where the designer practices and what professional title or scope they are claiming.
In regulated jurisdictions, designers seeking titles such as Registered, Certified, Licensed, or Commercial Interior Designer may have to meet specific education, experience, examination, registration, or continuing-education requirements.
CIDQ reports that regulated jurisdictions generally use the NCIDQ Examination as part of their credentialing framework, with California operating differently. Specific requirements vary by jurisdiction.
But someone using the generic term interior designer may not necessarily have those credentials.
That's why homeowners should look beyond the title.
Does That Mean a Self-Taught Interior Designer Isn't Qualified?
Absolutely not.
There are extremely talented designers who entered the profession through unconventional paths and developed tremendous expertise through years of hands-on experience.
Experience matters.
Education matters.
Mentorship matters.
Construction knowledge matters.
Professional development matters.
And actual project experience matters.
A degree by itself doesn't automatically make someone a great designer, just as the absence of a degree doesn't automatically make someone a bad one.
What matters is whether the designer has the knowledge and experience appropriate for the work you're hiring them to perform.
Someone selecting furnishings for a bedroom needs a different level of technical knowledge than someone developing drawings and specifications for a complex commercial renovation.
How Do I Know If an Interior Designer Is Qualified?
Ask questions.
Especially if you're planning a major remodel or construction project.
Ask potential designers:
What is your professional background?
What education or training do you have?
How long have you been working in interior design?
What types of projects have you completed?
Do you have remodeling or construction experience?
Do you create drawings or construction documentation?
How do you work with contractors?
Do you carry professional insurance appropriate to your services?
Do you hold any certifications, registrations, or professional credentials?
Have you completed projects similar to mine?
And remember that their website may not tell the entire story.
A designer's online portfolio doesn't necessarily represent their complete professional experience. They may have worked on projects for another firm, completed projects that weren't professionally photographed, worked with clients who requested privacy, or simply chosen not to publish older work.
Ask about their experience instead of assuming their Instagram grid is their résumé.
Choose the Professional Based on the Project
If you have a completed home and need help choosing furniture, artwork, rugs, and accessories, an experienced decorator may be an excellent choice.
If you're moving walls, designing cabinetry, remodeling kitchens and bathrooms, selecting permanent materials, or coordinating extensively with a contractor, you'll likely want someone with stronger interior-design and construction experience.
For a complex project, credentials and education may also become more important depending on the work involved and the laws in your jurisdiction.
The important question isn't:
“Designer or decorator—which one is better?”
It's:
“Does this person have the experience, knowledge, and skills required for my particular project?”
How Lake Hazel Design Approaches Interior Design
At Lake Hazel Design, we believe interior design lives at the intersection of beauty, function, construction, and real life.
We're not interested in creating a room that only looks beautiful in a photograph.
We want to understand how the space functions.
How does your family actually use it?
What isn't working now?
What needs to change?
What should stay?
How do the materials relate to one another?
How will the design translate into construction?
And how do we create something beautiful without losing sight of the budget and realities of the project?
Depending on the scope, our work can include space planning, finish selections, cabinetry, kitchens and bathrooms, lighting, flooring, tile, paint, furnishings, drawings, contractor coordination, and construction support.
And yes—we also care very much about the pillows.
We just don't want to choose the pillows before figuring out whether the sofa fits.
Interior Design Is More Than Decorating
Interior decorators and interior designers both have valuable places within the home industry.
The difference is primarily in the scope of work, technical knowledge, training, and experience required for the project.
Because interior-design titles and regulations vary across the country, homeowners shouldn't rely on a job title alone when choosing someone to work on their home.
Look at the person's experience.
Ask about their training.
Understand their process.
Ask what services they actually provide.
Find out whether they've worked on projects similar to yours.
And choose the professional whose experience matches the complexity of the decisions you're about to make.
Planning a remodel or wondering what level of design help you need? Start with Lake Hazel Design. Tell us about your project, and we'll help you determine the right next step.