How do I redeem my Tesco Clubcard Vouchers at Warwick Castle Resort? You can exchange your Tesco Clubcard point for 1 Day Entry Tickets into Warwick Resort. You will need to do this online through the Tesco Clubcard Website. Related articles I am a member of National Trust; would I be entitled to free entry? How do I redeem my Kellogg's Cereal Pack Grown Ups/Mates Go Free voucher? Can I use my Nectar Points at Warwick Castle Resort? I have a Kellogg’s snack pack voucher (e.g Fruit Winders, Rice Krispie Squares), how do I pre-book my ticket? What Attractions will be open during my visit?