Interior Design Styles 101: The Complete Guide

Contemporary trendy living room interior design styles by Decorilla designer, Leanna S.Contemporary trendy living room interior design styles by Decorilla designer, Leanna S.
Trendy living room interior by Decorilla designer, Leanna S.

Every well-designed home starts with a clear sense of style, but with dozens of directions to choose from, knowing where you land isn’t always obvious. This guide covers the 25 most influential interior design styles, what defines each one, and how to recognize the look that resonates with you most. A free style quiz is included to help you find yours.

What are interior design styles?

Refined contemporary interior design style by DecorillaRefined contemporary interior design style by Decorilla
Refined contemporary interior design style by Decorilla

Interior design styles are the visual frameworks that define how a space looks, feels, and functions. They guide every decision, furniture arrangement, color palette, materials, and the overall atmosphere a room creates. Some styles prioritize clean lines and simplicity. Others layer texture, pattern, and warmth. Most people land somewhere in between, blending elements that feel personal rather than committing to a single direction.

Modern Interior Decorating Style by Decorilla designer Leanna S.Modern Interior Decorating Style by Decorilla designer Leanna S.
Modern interior decorating style by Decorilla designer, Leanna S.

Knowing your style doesn’t just make the process easier; it makes every choice more intentional, whether you’re designing a living room, a bedroom, or an entire home.

25 Most Popular Interior Design Styles

Transitional Interior Design Style

Types of transitional interior design in a living room by Decorilla designer, Amber D. Types of transitional interior design in a living room by Decorilla designer, Amber D.
Transitional interior design by Decorilla designer, Amber D.

Let’s start with one of the most popular styles in the design world today. Transitional design is what we like to call the happy medium of interior design styles. This is a perfect solution for anyone who finds traditional design too stuffy, while the contemporary approach falls too far out of their comfort zone. Or those who want to modernise their home but keep and integrate some precious family heirlooms at the same time.

Interior design styles can combine different aesthetics. Try our Free Interior Design Style Quiz to pinpoint your personal style even if it has no name!

Transitional entry interior by Decorilla designer, Barbara C.Transitional entry interior by Decorilla designer, Barbara C.
Transitional entry interior by Decorilla designer, Barbara C.

Transitional interior design style blends traditional elegance with contemporary lines, calmer patterns, and cleaner layouts. In addition, transitional interiors keep accessories to a minimum, allowing furniture and textiles to do the talking.

Transitional bedroom with different design styles in accents by Decorilla designer, Carrie F.Transitional bedroom with different design styles in accents by Decorilla designer, Carrie F.
Transitional bedroom style by Decorilla

Perhaps the most aesthetically pleasing aspect of the transitional design style is its flexibility. You can mix masculine and feminine vibes, modern curved furniture with ornate elements, and even finishes like rattan and lacquer. It’s the combination of seemingly unmatchable elements that creates an interesting, welcoming home design.

Pro Tip: If you choose Transitional Interior Design as your direction, curate area rugs, throw pillows, and blankets as accessories.

Traditional Interior Design Style

Traditional style living room by DecorillaTraditional style living room by Decorilla
Traditional style living room design by Decorilla 

One could easily recognize traditional interior design by its adherence to historical references, symmetry, rich color palettes, and classic shapes. It draws inspiration mainly from 18th- and 19th-century European interior design styles known for a harmonious, elegant atmosphere. Architectural elements such as crown molding and wainscoting are an integral part of the aesthetics, well-matched with antique furniture pieces.