Two basins are a lifestyle decision
Two basins can be useful when two people regularly prepare at the same time. They also consume counter space, drawer volume, mirror area and plumbing capacity.
In some bathrooms, one wide basin with generous landing space creates a calmer and more useful composition. The extra room can become storage, a dressing area or simply clear counter space that is easier to keep tidy.
Compare the whole elevation
The decision should include the basin dimensions, mixer positions, waste route, drawer divisions, mirror and lighting. Two small bowls do not automatically provide a better experience than one well-proportioned basin.
The room’s width matters too. Forcing two basins into a narrow vanity can make the counter crowded and leave little room for everyday items.
Luxury is not a fixture count
A considered bathroom is designed around how the household uses it. Sometimes that means two separate wash zones. Sometimes it means one strong basin and better storage.
The right answer is the one that makes the finished room easier to use, maintain and live with.
Continue with double vanity plumbing planning, or read why a vanity should be designed around real use.