I recieved the following code in a mailshot from Tesco in the UK.
PR09TC
15% off advance purchase b&b
You must use the following website
www.hilton.co.uk/clubcardoffer
Only open to Tesco clubcard holders, you can register online.
www.tesco.com/clubcard/clubcard/
Must be booked by 31/03/2010
Must stay weekends between 01 Mar - 31st Dec 2010
Does not apply in some ME countries.
Full non refundable prepayment required at time of booking. Must buy at least 21 days in advance.