upmarket

Designed for customers with a high income.

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.

Towards the more expensive end of the market.

To render or become upmarket.

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