Nathan House is located in 10G of New Lucky House and just next to the Exit B1 of Jordan MTR station, you can take bus A22 and A21 (39HKD) in airport to get to Nathanhouse, you should get off on stop (Jordan MTR station) and a Starbucks is in front of the stop, Exit B1 is on the left hand side of the bus stop (1 min walk).The bus takes about 40 mins.