A short, curated guide — not an automatic related dump. Figures come from SubMouse's safe-for-work directory when we have them.
r/HomeImprovement (about 4.8M members, directory rank #188) is a text-only home-repair Q&A room with a karma bar. Project photos, smart-home gear, century homes and decorating each sit elsewhere.
See also DIY vs HomeImprovement on SubMouse.
Stay on HomeImprovement for text home-repair questions. Use DIY to show finished projects, homeautomation for smart-home systems, centuryhomes for 100+ year houses, and HomeDecorating or interiordecorating for how a room looks.
r/HomeImprovement — The Hivemind Improving Homes
Only text posts are allowed here. YOU MUST have minimum karma to participate in the sub. Submit here: https://diy.stackexchange.com/
DIY
When to choose it: You have a project to show or a broader DIY build, not only a repair question.
Why it is here: Listed as related to r/HomeImprovement in our directory. Public description is simply “DIY” for the large project community (about 27.5M members, rank #17). Covered in more detail on DIY vs HomeImprovement.
How it differs from r/HomeImprovement: Show-your-work projects versus text-only repair Q&A.
HomeAutomation
When to choose it: Sensors, hubs, lighting scenes and other smart-home systems.
Why it is here: Listed as related to r/HomeImprovement in our directory. Public description: share and discuss all things related to home automation (about 4.6M members, rank #200).
How it differs from r/HomeImprovement: Connected systems versus general repairs.
Century Homes
When to choose it: The house is about 100 years old or older.
Why it is here: Listed as related to r/HomeImprovement in our directory. Public description: homes that have reached or exceeded ~100 years; stories and advice (about 1.2M members, rank #849).
How it differs from r/HomeImprovement: Age-specific building quirks versus general repair.
Home Decorating Ideas
When to choose it: Furniture layout, paint and room aesthetics — not structural repair.
Why it is here: Listed as related to r/HomeImprovement in our directory (about 1.5M members, rank #728).
How it differs from r/HomeImprovement: Looks and layout versus fix-it questions.
Interior Decorating
When to choose it: DIY interior style, moods and self-directed decorating projects.
Why it is here: Public description: interior decorating and DIY self-directed home projects, not hired design work (about 1.1M members, rank #942). Sibling intent to HomeDecorating.
How it differs from r/HomeImprovement: Style-focused DIY décor versus repair troubleshooting.
Run the automatic finder for r/HomeImprovement (results are matched from our directory; that page is not indexed): Find related to r/HomeImprovement.
Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-02 UTC); 7-day growth measured from 2026-10-26. Posts/day and culture claims appear only when we have them — missing fields stay n/a. Directory rank is listing order. Communities outside the published Top 100 open in the info tool instead of a full community page. Guide updated 2026-11-07.