Guides
Large Tiles in a Small Bathroom
It's often said that small tiles suit small rooms, but large format tiles in a bathroom can work very well, even in a compact space. The result depends on the tile size, the setting out and the shape of the room.
Fewer grout lines
Large porcelain tiles in a bathroom mean fewer grout lines, which gives walls and floors a calmer, more continuous look and leaves less grout to clean. That's a big part of why large tiles can make a small bathroom feel bigger and less busy.
Cuts in a small room
In a small room, almost every tile is cut somewhere: around the toilet, the basin, the window, the door and the bath. With large tiles, a poor layout can leave thin slivers at walls and corners, which look awkward and are hard to fix well. The setting out is planned so cuts are balanced on both sides of the room and fall where they're least noticed.
Choosing a size
There's no single best size. On walls, tiles that divide neatly into the wall height or line up with the bath, window or niche give a clean result. On floors, the tile size needs to work with the length and width of the room, the doorway and any fall. Sketching the layout, or laying a few tiles out dry before buying, helps you see how a size will work.
Floors with falls
Large tiles are flat and rigid, so they can't follow a fall in more than one direction. On a shower floor with a central point drain, small tiles or mosaics are usually used; large tiles work better with a linear drain, where the floor falls one way. In a wet room, the drain is chosen with the tiles in mind.
Flat surfaces and levelling
Big tiles need flat surfaces. Small bathrooms in older homes often have walls that aren't flat or square, so walls and floors are checked and corrected first, and a tile levelling system keeps the edges flush. The tile levelling systems guide explains how they work.
Matt or gloss
Gloss tiles reflect light and can brighten a small, dark bathroom, but they show water marks and can be slippery on floors. Matt and textured tiles hide marks better and give more grip underfoot. Many bathrooms use gloss or satin tiles on the walls and matt tiles on the floor.
Are large tiles harder to fit?
They need more care: flatter surfaces, full adhesive coverage, careful handling and accurate cuts around fittings. Large-format porcelain is one of the services Vanta Tiling offers, with levelling systems used for a flat finish.
Robert Rajz is an NVQ Level 3 tiler with 18 years' experience, based in West Ealing, W13. He holds a Gold CSCS card, is DBS checked and fully insured, and is rated 5/5 on MyBuilder and 10/10 on Checkatrade.
FAQ
Common questions
Do big tiles make a small bathroom look bigger? +
They can. Fewer grout lines give a calmer, more continuous surface, which often makes a small room feel larger, as long as the setting out avoids thin slivers.
What size tile is best? +
There's no single answer. Choose a size that suits the wall height, the floor dimensions and the fittings, and that avoids thin cuts at the edges.
Are large tiles harder to fit? +
Yes. They need flatter surfaces, full adhesive coverage and accurate cuts, and usually a tile levelling system to keep the edges flush.
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