Top 10 Interior Design Mistakes to Avoid in 2026 | How to Fix Bad Room Layout | Ariana Designs

In this video, Ariana from Ariana Designs & Interiors shares designer-approved solutions to the most common interior design mistakes homeowners make, including wrong rug size, bad furniture placement, poor lighting layout, and scale mistakes that instantly make your room feel “off.”

If you’ve ever searched “how to layout my living room correctly” or “why does my home not feel professionally designed?” — this video will answer that for you. Ariana walks you through real design rules for furniture spacing, how to size a rug properly, how high to mount your TV, and how to create flow in a living room so your home feels intentional and elevated.

These are the same layout principles we apply at Ariana Designs & Interiors and across the Ariid Group to design luxury homes that are both beautiful and functional.

00:00 Intro
00:44 Mistake 1: Blocking The Flow
01:40 Mistake 2: Wrong Rug Placement
02:32 Mistake 3: Overcrowding The Room
03:27 Mistake 4: Ignoring Scale & Proportion
04:15 Mistake 5: Awkward TV Placement
04:54 Mistake 6: Pushing Everything Against The Walls
05:36 Mistake 7: Poor Lighting Layout
06:21 Mistake 8: Not Considering Function First
07:01 Mistake 9: Ignoring Architectural Features
07:32 Mistake 10: Copying Showroom Layouts
08:06 Outro



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