In a small bathroom, you should buy a small sink with a vanity. Compact solutions can be used in spacious rooms, but it should be understood that in a large bathroom, a modest vanity will simply "get lost" and will cease to be the central part of the interior.
For arranging small rooms, it is convenient to choose a hanging sink with a cabinet and a mirror. To leave even more space free, consider proposals in the form of corner vanities. Such cabinets are made in the shape of a trapezoid, they are practically built into the corner of the room, they do not take up much space, while they differ in the sufficient depth of the drawers. A corner mirror can be positioned on one of the walls or have the same angular shape, creating a veritable maze of reflections.
When choosing a sink with a vanity unit for a small bathroom, make sure that the furniture will open freely. Opening the doors or pulling out drawers can interfere with the door to the room, plumbing, walls. Be sure to make the appropriate measurements before purchasing.