20% OFF Coffee at Whittard of Chelsea - www.whittard.co.uk Go to / Join Merchant Written by whittard on February 27, 2012. Posted in Food, Food, Offers/Promotions, Promotion, Voucher Codes 20% OFF Coffee online at www.whittard.co.uk. 1 week only - ends midnight 5th March. Offer excludes coffee syrups and gifts.