How to choose tiles for a small bathroom

Small bathroom tiling is where most people make their worst tile decisions. The reasoning sounds intuitive — small room, so use small tiles to keep things in proportion; tight footprint, so use light colours to make it feel larger. The result is almost always the opposite: the room reads as cluttered rather than calm, and dim rather than expanded. Counterintuitive but true: in small bathrooms, larger tiles, warmer tones and a single-surface approach almost always work better than the safe, small, white-on-white default.

Tile size in a small bathroom

The argument against small tiles in small bathrooms is geometric, not stylistic. Every grout line is a visual interruption — the eye reads it as a break in the surface and shortens its perception of the room. A 100×100 tile on a 1.5×2m floor produces roughly 300 grout intersections; a 600×600 tile on the same floor produces around eight. The larger format reads as a continuous plane and the room feels larger as a direct consequence.

600×600 is the most-specified small-bathroom format in Australia and works on both floor and wall. 600×1200 reads as even more architectural and is worth considering on the wall, particularly behind the vanity or in the shower. Both formats require a competent tiler — large-format tiles expose a poorly levelled substrate and uneven cuts immediately. Pay slightly more for a tiler with rectified-tile experience and the result is a small bathroom that reads as deliberately specified rather than compromised.

Colour: what actually makes a bathroom feel bigger

Light tone matters more than light colour. A pale greige tile reflects almost as much light as stark white but reads as warmer, calmer and more expensive. A cool-white tile in a small bathroom under standard warm-white LED lighting often reads as institutional — the kind of light a gym change-room has. The trick is tone, not colour.

The single-surface approach delivers maximum visual expansion in a small bathroom. The same tile run from floor to wall to ceiling-line removes every visual break and the room reads as a single carved volume. The constraint: the floor version must be rated R10. Many ranges are sold in matching wall and floor finishes specifically to enable this — specify carefully.

Dark tiles in small bathrooms are the most counterintuitive lever. A dark feature wall in a small ensuite reads as deliberate and jewel-box. An entire small bathroom done dark reads as a cupboard. It's placement, not colour, that determines the outcome.

Pattern in a small bathroom

One feature wall is the most effective use of pattern in a small bathroom. Zellige, marble-look, terrazzo or encaustic — any of these work, provided they're contained to a single surface and the rest of the room is calm. Patterning the floor and walls simultaneously is the single most common small-bathroom mistake; the two patterns compete and the room reads as visually exhausting.

The best feature wall in a small bathroom is usually behind the toilet, the bath or the vanity — not the shower wall. The shower wall is typically obscured by glass, fittings and steam, so the pattern is wasted. A feature wall behind the vanity is reflected in the mirror and effectively doubles in presence.

The shower floor

Penny round and hexagon mosaic are the two most-specified shower floor finishes in Australian small bathrooms. Both add grip without aggressive texture, both handle the falls to waste required by Australian plumbing standards, and both create a fine visual texture that contrasts well with larger-format wall tiles.

A penny round or hexagon mosaic shower floor reads best when the mosaic colour matches the wall tile and the grout matches the floor tile. The mosaic disappears into the room rather than announcing itself, and the contrast between the mosaic shower floor and the large-format main floor reads as intentional zoning.

Layout and installation tips

In a small bathroom, every cut shows. There's no spare wall to bury an awkward joint. A tiler who can't set out a small bathroom — centring tiles correctly on the main sight line, balancing cuts at the perimeter, lining grout joints across floor and wall — will ruin the finished look regardless of the tile chosen.

Specify rectified tiles so grout joints can be tight (typically 2mm) and consistent. Budget for a tiler who can demonstrate small-bathroom and rectified-tile experience. Order 15% overage rather than the usual 10%, because a small bathroom involves a disproportionate number of cuts around the niche, vanity, drainage and skirting returns.

Frequently asked questions