r/InteriorDesign (about 1.2M members, directory rank #924) frames interior design as creating functional spaces. DIY decor moods, home decorating idea sharing and building architecture each have clearer homes when the thread is not design practice.
How to choose
Stay on InteriorDesign for spatial design and professional/student design talk. Use interiordecorating for DIY decor styles, HomeDecorating for decorating ideas, and architecture for buildings and the profession.
Starting point: r/InteriorDesign
r/InteriorDesign
— Interior Design (Interior Architecture)
- Members: 1.2M
- Directory rank: #924
- 7-day growth: +1K
Interior Design is the art and science of understanding people's behavior to create functional spaces within a building. It is a multi-faceted profession in which creative and technical solutions are applied within a structure to achieve a built interior environment.
Curated related communities
Interior Decorating
- Members: 1.1M
- Directory rank: #942
When to choose it: DIY decor styles and moods rather than formal design practice.
Why it is here: Directory related. Public description: interior decorating focused on DIY (about 1.1M members, rank #942).
How it differs from r/InteriorDesign: Decor styling versus interior design discipline.
Home Decorating Ideas
- Members: 1.5M
- Directory rank: #728
When to choose it: Home decorating ideas and inspiration.
Why it is here: Neighbouring decorating community (about 1.5M members, rank #728).
How it differs from r/InteriorDesign: Idea inspiration versus design methodology.
Architecture
- Members: 2.1M
- Directory rank: #536
When to choose it: Buildings and architectural practice.
Why it is here: Directory related. Public description: students, professionals and lovers of architecture (about 2.1M members, rank #536).
How it differs from r/InteriorDesign: Building design versus interior furnishings/layout.
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Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-09 UTC); 7-day growth measured from 2026-11-02. Directory rank is listing order. Guide updated 2026-11-07.