100mm x 100mm Tiles

Matte tiles are trending strongly in Australian bathrooms for their contemporary look and practical ability to hide water spots and fingerprints. Gloss tiles reflect light and can make a bathroom feel brighter and larger, but show water marks and smudges more readily. For shower recesses and wet floors, matte or satin finishes with good slip resistance are generally preferred.

Measure your total wall and floor surface area in square metres, then add a 10–15% wastage allowance for cuts, breakages, and future repairs. For complex layouts with diagonal patterns or feature inserts, increase the wastage to 15–20%. Always order all tiles from the same batch (check the shade lot/batch number) as tiles from different batches can vary slightly in colour.

Floor tiles must have an adequate slip resistance rating (P3 minimum for domestic bathrooms) and be durable enough for foot traffic. Wall tiles can be glazed ceramic, porcelain, or natural stone, they don't need to carry load but should be moisture-resistant. Many Australian renovators choose matching or coordinating floor and wall tiles from the same range for a cohesive look.

For small bathrooms, tiles between 300 x 300mm and 600 x 300mm often work well on both walls and floors. Smaller mosaic or subway tiles (75 x 150mm or 100 x 200mm) are a classic choice for shower walls. While large format tiles can also work in small spaces, they require a very level substrate and expert installation. Avoid tiles that are too small on floors (like 50 x 50mm mosaics) in large quantities, as the increased grout lines can make a space feel busier.

The most effective approach is to choose one feature zone and use your feature tile there, a full-height shower wall, the bath surround wall, or the vanity splashback area. Keep the remaining surfaces in a neutral or complementary field tile. This creates impact without visual clutter. Limit your palette to two or three complementary materials for a cohesive result.

Australian Standards (AS 4586) require bathroom floor tiles to have a minimum slip resistance rating of P3 for domestic bathrooms and P4 or P5 for wet areas like shower recesses. The Blue Space recommends checking the slip resistance rating of any tile you're considering for floor use, particularly in the shower. Matte and textured porcelain tiles generally offer better slip resistance than polished or gloss finishes.

Porcelain tiles are fired at higher temperatures and are denser, less porous, and harder than ceramic tiles. This makes porcelain more water-resistant, more durable, and suitable for both indoor and outdoor applications, including high-traffic floors. Ceramic tiles are lighter and easier to cut, making them a practical choice for bathroom walls and splashbacks. For bathroom floors and wet areas, porcelain is generally the preferred option in Australia.

This small, near-square format is commonly used for bathroom and laundry floors, shower walls, and splashbacks, particularly where a classic or retro look is wanted. It's a popular size for a period-style renovation or a heritage-look bathroom, since it echoes the smaller tile formats used in older Australian homes, and it also suits mosaic-adjacent design where more grout lines are part of the intended look rather than something to minimise.

Yes, and that's the main practical trade-off of this format compared to a large-format tile. More individual tiles are needed to cover the same area, which means more grout joints per square metre. This isn't necessarily a downside: more grout lines can add texture and visual interest to a floor or wall, and in a wet area they can also add a small amount of extra slip resistance compared to a large, smooth-jointed floor. The trade-off is more grout to clean and reseal over time.

Generally yes. More individual tiles need to be laid, levelled and grouted to cover the same area compared with a large-format tile, so installation labour per square metre tends to be higher. This is worth factoring into a renovation budget alongside the tile cost itself, since labour can make up a larger share of the total project cost with a small-format tile than with a large one.

Smaller rooms and specific zones tend to suit this size well: a powder room floor, a shower recess, a laundry floor, or a splashback. It's also a common choice for a retro or classic mosaic look on a feature wall. In a large open floor area, a small-format tile can start to feel busy because of the sheer number of grout lines, so it's often paired with a larger tile elsewhere in the same room to balance the look.

It can work well for a shower floor specifically because a smaller tile format follows a slight fall to the drain more easily than a large-format tile, which needs more cutting and packing to achieve the same slope. Check the slip resistance rating regardless of size, since format alone doesn't determine grip: a glazed, polished 100mm x 100mm tile can still be slippery if it isn't rated for wet-area floor use.

It sits between a standard field tile and a true mosaic. A 100mm x 100mm tile is usually supplied as loose individual pieces or on a simple sheet, while a genuine mosaic is typically made of much smaller pieces (25mm to 50mm) mesh-mounted on sheets for easier handling. If you're after an even finer, more textured mosaic look rather than this mid-size format, it's worth checking the mosaic tiles range directly.