How to choose the right 400-500mm vanity

This is the smallest practical vanity size, so measure the clear wall width carefully, including any skirting or architrave that might reduce the usable space. A 400mm vanity suits an extremely tight ensuite or a secondary toilet where floor space is scarce, such as in a tiny home, granny flat or apartment renovation; a 500mm vanity gives slightly more bench and basin space where the extra 100mm is available. Check basin projection — how far the basin extends forward of the cabinet — against your door swing, since this is often the tightest clearance point at this size.

Because most vanities in this range are sold as a complete unit, you don't need to separately source a matching top and basin, which removes a common sizing mismatch risk at such small dimensions. Fluted timber finishes such as sable walnut and woodland oak add visual texture to a small room, while a flat gloss white PVC finish gives a clean, simple look and full waterproof performance. Confirm whether the tap hole position (left, right or centre) suits your existing plumbing rough-in before ordering.