Everything You Need to Know About Using Mirrors in Home Design

Make Any Room Look Bigger Instantly
If you want a room to “grow” without moving walls, mirrors are your best tool. Interior designers rely on two simple strategies:
Reflect Open Space
Placing a mirror across from a window, doorway, or open floor area visually extends the room. A wall that once felt constricting suddenly appears twice as deep.
Go Oversized
A large mirror—even a leaning one—creates depth that tricks the eye into thinking the space continues beyond the glass. Oversized mirrors are especially effective in entryways, small bedrooms, and narrow dining areas.
Can a Mirror Really Double the Light in a Room?
Yes—when positioned with intention.
Mirrors don’t create light, but they dramatically amplify what’s available. Designers often use mirrors adjacent to or opposite windows to bounce daylight throughout a space. In darker rooms, strategically placed mirrors can also improve the spread of artificial lighting.
Best placements for maximum brightness:
- Opposite a sunny window
- Behind table lamps
- Along dim hallways
- Near glass or metal décor that enhances reflectivity
Even one well-placed mirror can brighten a room by several levels.

Where You Should Never Hang a Mirror
Mirrors are powerful—but poorly placed, they can create visual chaos or discomfort. Avoid hanging mirrors:
- Behind or above a bed or sofa (safety and awkward reflections)
- Facing a toilet or cluttered area (unattractive and visually stressful)
- Too high above mantels (distorts reflection and throws off scale)
- On narrow pillars or small walls (creates imbalance rather than opening the space)
Framed vs. Frameless Mirrors: What Works Best?
Choosing between framed and frameless depends on your home’s style.
Framed Mirrors
Great for traditional, rustic, or cozy spaces.
- Add warmth and personality
- Tie in finishes like bronze, wood, or black metal
- Provide architectural detail
Frameless Mirrors
Perfect for modern and minimalist homes.
- Clean, spa-like finish
- Seamless appearance
- Ideal for bathrooms and contemporary living areas

How Designers Add Luxury Using Mirrors
Mirrors can create a high-end look without the high-end price. Some of the most effective designer tricks include:
- Symmetry: Matching mirrors behind lamps or nightstands adds instant hotel-level luxury.
- Floor-to-ceiling installations: A dramatic, upscale feature that elevates any room.
- Antiqued or smoked finishes: Adds character and depth.
- Layered reflections: Position mirrors near metallic or glass décor to multiply light and texture.
The Right Mirror Size for Over Fireplaces and Sofas
Getting proportions right is critical.
Above a Fireplace
- Choose a mirror ½ to ¾ of the mantel width.
- Taller mirrors work best in rooms with high ceilings.
- Round mirrors soften the strong lines of brick or stone.
Above a Sofa
- Aim for a mirror that’s about ⅔ the width of the sofa.
- Hang it 150-250mm the sofa back.
- Organic and arched shapes are currently trending.

Mirrors in the Bedroom: Feng Shui & Design Insights
Feng Shui traditionally warns against mirrors facing the bed, as they’re believed to disrupt sleep and energy flow. Even if you don’t follow Feng Shui, many people find bed-facing mirrors distracting at night.
Better placements include:
- Beside the bed rather than directly in front of it
- Opposite a window to bring in soft morning light
- Inside closets or on wardrobe doors
Round or curved silhouettes also bring a calming, restful quality.

Styling a Gallery Wall With Mirrors
Combining art and mirrors creates a dynamic focal point with depth and movement. To keep it cohesive:
- Start with one anchor mirror as your centre or upper-left piece.
- Mix small mirrors with framed art for visual contrast.
- Keep spacing consistent (50-75mm between frames).
- Limit finishes to one or two metals or wood tones.
Are Antique Mirrors Worth It?
Antique mirrors can offer unique charm—but not all are valuable.
They’re worth it when:
- They feature authentic mercury or hand-silvered glass
- The frame has historical detail or craftsmanship
- The patina adds character without compromising clarity
- They have verified provenance or artisan markings
They’re not worth it when:
- The damage is structural (deep cracks, severe desilvering)
- They’re modern reproductions priced as antiques
- Repair costs outweigh their market value
Trending Mirror Styles in Homes
This year’s design landscape is rich with sculptural and expressive mirror styles. Leading trends include:
- Organic, shaped mirrors
- Oversized floor mirrors used as statement pieces
- Arched and cathedral-style mirrors
- Tinted mirrors in smoked grey, bronze or gold.
- Bronze Aluminium frames
- Backlit mirrors for ambient glow
These designs blend art and utility, making mirrors essential décor elements


At Go Glass, we’ve spent decades creating glass solutions that are practical, beautifully crafted, and built to last. Whether you’re designing a retail space or a bespoke display, our team is here to help bring your ideas to life.
Get in touch:
- Email: info@goglass.co.uk
- Call: 01223 211041
- Book a 15-minute virtual coffee with our design team.
We’re proud winners of Family Business of the Year 2024,and shortlisted for Unsung Hero at the upcoming G25 Industry awards


