Save Up To 20% on Your Stay with Early Booking Offer at Dorsett Tsuen Wan Hong Kong. Book Early & Save More. 20% discount when booking a minimum 21 days in advance. 15% discount when booking a minimum 10 days in advance. Terms and Conditions: Valid for Bookings and stays from now till 31 December 2015. Above offer is subject to the room availability. The offer cannot be used in conjunction with any other offers /discounts and /or promotions. In case of any dispute, Hotel reserves the right of final decision. Book Now.