Interior Designer vs. Interior Decorator: What’s the Difference and Which Do You Need?
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The terms are used interchangeably in casual conversation, and the industry doesn’t always help clarify. But there is a real difference — one that matters when you’re deciding who to hire for your home.
What an Interior Decorator Does
An interior decorator works with the existing space: the walls, the floors, the architecture as it is. They select furniture, choose paint colors, style the room, and arrange what’s there. They may source pieces, manage procurement, and execute a particular look. They do not, typically, redesign the space itself. They are not trained in the technical aspects of space planning, building systems, or construction documentation.
What an Interior Designer Does
An interior designer does everything a decorator does, plus the work that comes before it: spatial analysis, floor plan development, lighting design, material specification, coordination with architects and contractors, and oversight of the construction process. A full-service interior designer can redesign how a space functions — not just how it looks. They understand building codes, construction sequencing, and trade coordination. They produce documentation that contractors can build from.
What a Full-Service Design Firm Does
At ARIID Group, we go further. We combine interior design with building design services — which means we can also handle the architectural work of reconfiguring spaces, adding rooms, or redesigning floor plans. We manage the construction process as well as the design. From concept through final styling and installation, the project stays under one roof.
Which One Do You Need?
If you’re painting, replacing furniture, and updating accessories without touching the structure or layout — a decorator may be sufficient. If you’re renovating, reconfiguring space, coordinating contractors, or need a cohesive design that holds together across multiple rooms and trades — you need an interior designer. If you also need the space itself to change structurally, or want one point of contact from design through completion — you need a full-service firm.
Frequently Asked Questions
Is ‘interior designer’ a protected title in Washington State?
In Washington, ‘interior designer’ is not a protected title in the same way ‘architect’ is. Anyone can call themselves an interior designer. What separates professionals is training, experience, and the scope of work they can credibly take on.
Do interior designers need to be licensed?
In Washington State, interior designers do not need a state license to practice general interior design. Building design work that requires permits may require involvement of a licensed professional. We work within the appropriate regulatory framework for each project scope.
What’s the difference in cost between a decorator and a full-service designer?
Generally, decorators are less expensive on a per-hour basis, and their projects are narrower in scope. Full-service designers cost more but cover more — the total project cost managed by a full-service firm often results in better outcomes and fewer costly surprises than a piecemeal approach with cheaper individual vendors.
How do I know if I need a designer or a decorator for my specific project?
Ask yourself: will anything structural or spatial change? Will you be coordinating multiple contractors? Do you need documentation for a permit? If yes to any of these, you need a designer, not a decorator.
If you’re not sure which level of service your project requires, the fastest way to find out is a conversation. Let’s talk about your home.
Related: Interior Design Services | Full-Service Interior Design | Our Design Process | About Ariana Designs & Interiors | Kirkland Interior Design | Bellevue Interior Design | How to Choose the Right Interior Designer | Interior Design Cost in Seattle & Bellevue | Interior Designer in Seattle | Schedule a Consultation
