Photo Gallery ResidentialExtell shows off Carlton House Townhouse by REW StaffJune 20, 2014June 19, 20140627 Share0 [imagebrowser id=309] Some of Manhattan’s top townhouse brokers attended the official launch of Extell Development Company’s Carlton House Townhouse, a 10,000-square foot townhouse listed for $65M. (Visited 1 times, 1 visits today)