Above: The Lacava Piazza Bathroom Sink is 15.75 inches; $450 at Perigold. Above: The Duravit Happy D.2 Ceramic Wall-Mounted Bathroom Sink is long (19.6 inches) but not very wide at only 8.6 inches ...

Duravit DuraSystem Series ... button (to be fitted on site) on the wall. A1 actuator plate Made from white plastic or high-gloss chrome and can be surface-mounted or flush-fitted.