Mirrors are a powerful tool in interior design, capable of making spaces feel larger, brighter, and more inviting. However, improper placement or size can easily backfire, making a room feel smaller or throwing off its balance. Design experts reveal the most common mistakes and how to avoid them, ensuring your mirrors enhance rather than detract from your decor.
The Reflection Matters: Don’t Mirror Clutter
A mirror’s impact depends entirely on what it reflects. Unlike a window showing a pleasing view, a mirror in front of an unappealing area only draws attention to the mess. Before hanging a mirror, consider the backdrop. Interior designer Keely Smith emphasizes, “A beautiful outdoor view or striking artwork? Perfect. A cluttered desk or unsightly corner? Not so much.” A poorly chosen reflection defeats the purpose of expanding the space.
Less Is Often More: Avoid Mirror Overload
Too many mirrors can overwhelm a room instead of opening it up. Balance is key. According to Mimi Meacham, founder of Marian Louise Design, mirrors should be placed strategically – where they’re useful and reflect the room to create the illusion of spaciousness. Overdoing it diminishes the impact of each mirror, making the design look busy and unbalanced.
Size Matters: Skip the Tiny Mirror Trick
Small mirrors in large spaces can look awkward and fail to deliver the desired effect. This is especially true in bathrooms. Molly McGinness, owner of Molly McGinness Interior Design, warns against small, high-placed bathroom mirrors, which are both impractical and miss an opportunity to visually expand the room. Instead, go larger – especially in small spaces – to maximize the illusion of spaciousness. The same principle applies throughout the house: the mirror’s size should be proportional to the wall and surrounding furniture.
Energy Flow: Avoid Mirroring the Entrance
Beyond aesthetics, some believe mirror placement affects a home’s energy. According to ancient Chinese feng shui principles, positioning a mirror directly facing the main entrance repels positive energy. Keely Smith learned from a client that this creates an unwelcome barrier. Instead, place mirrors perpendicular or vertically to capture a side glimpse of entrants, adding security without disrupting the flow.
Mirrors amplify light and create the illusion of space when used correctly. Avoiding these common mistakes ensures your home feels open, inviting, and stylish.

































