Upmarket

He lives in an upmarket neighbourhood.

Tom and Mary only eat in upmarket restaurants.

They went out for dinner at an upmarket restaurant.

Alex grew up in an upmarket part of town.

It's not an upmarket resort, but rather a down-at-heel one whose heyday has long since past.

Temperatures in the western suburbs of Sydney, far from the upmarket beachside glamour, reached 47C (117F) last week, topping the 44C I experienced there the week before. For reference, if it reached 47C in the middle of the Sahara desert, that would be an unusually hot day.

[…] their flats and shops are upmarketed or pulled down to be replaced by hotels, offices and a privately owned park.