This bathroom mirror guide for Australia covers everything you need to know before selecting a mirror for your renovation, from sizing above a vanity to choosing between round and rectangle profiles, understanding LED functionality, and why the glass itself matters as much as the frame. At Elysium Home, we stock a curated range of bathroom mirrors from Deknudt Mirrors, crafted in Belgium since 1946including models specifically designed for bathrooms, with moisture appropriate construction and the brand's signature copper-free glass technology.

Introduction: The Most Important Fixture in Your Bathroom

Of all the decisions made during a bathroom renovation, the mirror is often the one clients look back on with the strongest feelings, either satisfaction or regret. It is the fixture you interact with most intimately every single day, and unlike a tile or a tap, it is both functional and profoundly aesthetic. Its size, shape, frame material, and glass quality combine to set the tone for the entire space.

Australian homeowners are increasingly sophisticated in their bathroom choices. Gone are the days of the basic frameless rectangle from a hardware store. Today's renovators are specifying designer bathroom mirrors with the same level of care they bring to their vanity selection, their tile choice, and their lighting design. The result is bathrooms that feel considered, cohesive, and genuinely beautiful.

Elysium Home's bathroom mirror collection brings together Deknudt's finest bathroom appropriate designs...from clean, minimal profiles that suit contemporary wet rooms to warm, framed designs that complement classic heritage tiles. Every piece reflects the Belgian atelier's eight decade commitment to quality and precision.

Browse the full Elysium Home bathroom mirror collection →

Why Copper-Free Glass Matters in a Bathroom

The bathroom is the most demanding environment for a mirror in any home. Steam, moisture, cleaning products, and temperature fluctuations combine to accelerate the degradation of ordinary mirror glass. The enemy is a process called "black edge" or "foxing" which is the progressive darkening and spotting of the mirror's reflective backing, which begins at the edges and works inward over time.

In conventional mirror glass, the reflective coating contains copper, which reacts with moisture to begin this oxidation process. In a bathroom, where humidity is chronically elevated, this degradation can begin appearing within a few years particularly at the mirror's unprotected edges.

Deknudt's copper-free glass technology eliminates this vulnerability. By removing copper from the reflective backing compound and using a more chemically stable formulation, the glass resists moisture penetration far more effectively. The result is a mirror that maintains its depth, clarity, and flawless edge definition for decades, even in a bathroom environment.

This is not a small technical footnote, it is central to the value proposition of a Deknudt mirror in a bathroom context. When you are investing in a quality bathroom renovation, specifying a copper-free glass mirror ensures the finish you achieve on day one remains intact for the life of the bathroom.

Sizing Above a Vanity: The Two-Thirds Rule

The most widely used sizing principle for bathroom mirrors is the two-thirds rule, your mirror should be approximately two-thirds the width of your vanity. This proportion is visually balanced as the mirror reads as intentionally related to the vanity without appearing either too small (which looks mean and unresolved) or too wide (which can overwhelm the wall and look unanchored).

For a standard 900mm single vanity, this means a mirror width of approximately 600mm. For a 1500mm double vanity, aim for around 1000mm. For a grand double vanity at 1800mm, a mirror of 1200mm or a pair of mirrors totalling that width works beautifully.

These are guiding principles rather than rigid rules. If your vanity is small but your bathroom walls are generous, you may choose to go wider as filling more of the wall creates a grander effect and provides better peripheral light coverage when combined with side lighting. If you are working in a very small powder room where spatial economy matters, you may go slightly narrower to avoid a cramped feel.

In terms of height, the base of the mirror is typically positioned 15–20cm above the basin or countertop, and the mirror extends to a height that allows all users to see themselves comfortably. For a household with height variation, err toward a taller mirror, this also has the benefit of making the ceiling appear higher.

Round vs Rectangle for Bathrooms

This is the question we hear most often in the Elysium Home showroom when clients are choosing a bathroom mirror. Both shapes are excellent choices the right one depends on your bathroom's design language and the feeling you want to create.

Round mirrors bring a softening, organic quality to the bathroom. They are particularly effective in bathrooms with strong geometric tile work, hexagonal tiles, square format tiles, strong vertical or horizontal linear patterns where the circle provides welcome visual relief. Round mirrors are currently at the height of their popularity in Australian interior design, driven by their presence in high end hotel bathrooms and the widespread influence of Scandinavian and Japandi aesthetics.

A single round mirror above a single vanity creates a clean, graphic focal point. Two round mirrors above a double vanity positioned symmetrically, one above each basin create a perfectly balanced composition that is both practical and beautiful.

Browse round bathroom mirrors →

Rectangle mirrors are the more traditional choice, but no less sophisticated for it. They maximise reflective area per centimetre of wall width, provide excellent viewing coverage for multiple users at a double vanity, and create a clean horizontal line that references the geometry of the vanity itself. A full width rectangular mirror above a double vanity creates a seamless, cohesive look that works in both contemporary and classic bathrooms.

Explore rectangle bathroom mirrors →

The choice ultimately comes down to which shape feels more harmonious with the rest of your bathroom's design. If in doubt, John and Natalie at our Lane Cove showroom (open by appointment) are happy to review your bathroom plans and make a recommendation tailored to your space.

LED Bathroom Mirrors

LED bathroom mirrors have become one of the most requested bathroom products in recent years and the enthusiasm is fully justified. A quality LED mirror does something that even the most beautifully positioned downlight or pendant cannot, it illuminates the face from the correct angle for grooming, applying makeup and shaving.

The problem with overhead only lighting in bathrooms is that it casts downward shadows on the nose, under the chin, across the eye sockets. This makes it difficult to see clearly for detailed tasks. LED mirrors that backlight or front light from around the mirror's perimeter eliminate this problem, providing soft, even, shadow-free illumination across the face.

Our clients consistently highlight the quality of the LED lighting as a standout feature of their Deknudt bathroom mirror. As one recent reviewer noted, "The clean, even LED lighting makes such a difference every morning — it's like having professional makeup lighting at home." This kind of feedback reflects a consistent experience. Deknudt's LED specification prioritises a warm, flattering colour temperature rather than the harsh blue-white tone that can make cheaper LED mirrors feel clinical and unflattering.

Deknudt's LED bathroom mirrors, including the Luna Light series, also feature smart touch controls, adjustable colour temperature (warm to cool) and dimming functionality. This means the same mirror that provides bright, cool-toned light for morning grooming can be dialled back to a warm, ambient glow for an evening bath.

View the full Elysium Home mirror collection →

Installation Tips for Bathroom Mirrors

Always use a licenced electrician for LED mirrors. LED bathroom mirrors require hardwiring to the bathroom circuit. This is not a DIY job under Australian electrical standards, always engage a licenced electrician, and ensure the work complies with AS/NZS 3000 (Wiring Rules) and relevant bathroom zone requirements.

Use appropriate wall anchors for the surface. Bathroom walls are often tiled, and standard wall plugs suitable for plasterboard may not provide adequate hold in a tiled surface. Use masonry anchors rated for the weight of the mirror. Deknudt mirrors include mounting hardware, and John or Natalie can advise on appropriate fixings for your wall type.

Position the mirror before tiling where possible. If you are mid renovation, position and mark your mirror fixing points before the tiler begins. This allows the tiler to work around known fixing positions, reducing the need to drill through completed tile work later.

Ensure adequate clearance from steam sources. Even with copper-free glass, we recommend positioning mirrors away from direct steam exposure, not directly above a bath, for example, and not in the direct path of an open shower. A well ventilated bathroom with an exhaust fan will significantly extend the life and clarity of any mirror.

For personalised advice on your bathroom renovation, contact our team or call 02 9879 6670.

Frequently Asked Questions