I just saw this add on Hotelclub.com may be useful for some
Book a participating hotel by 11:59PM on 15 November 2015 via HotelClub.com for stays before 30 June 2016 and instantly receive 15% off your hotel booking. Limit of one promotion code per booking. Promotion codes are non-transferable, not for resale and not redeemable for cash for any reason. HotelClub reserves the right to change the terms and conditions of this promotion at any time without notification. Limited to the first 2,000 redemptions.