Gary Barnett’s Extell Development slashed the price of a luxe, nearly 10,000-square-foot townhouse adjacent to its Carlton House development on the Upper East Side to $37.5 million, down from the $65 million it was first listed for in 2014. The price cut is the latest in the company’s push to finally complete the sellout of the project, which has been on the market since 2013. Earlier this month, the firm swapped out its internal marketing … [more]