They're still not that common, at least in Copenhagen, partly because most apartments are pretty small, so space is at a premium. But in recent years I've seen

They're still not that common, at least in Copenhagen, partly because most apartments are pretty small, so space is at a premium. But in recent years I've seen combo washer/dryer units that reuse the same tumbler for both functions, so they take only the space of a normal washer. As for the cost, well, many Danes have money to spare.