Can I use my Nectar Points at Warwick Castle Resort? Unfortunately Nectar Points are not accepted for entry at Warwick Castle Resort. Related articles How do I redeem my Tesco Clubcard Vouchers at Warwick Castle Resort? I am a member of National Trust; would I be entitled to free entry? Do you accept Blue Peter Badges for entry into the Castle? How do I redeem my Kellogg's Cereal Pack Grown Ups/Mates Go Free voucher? How do I book my corporate discount tickets for Warwick Castle Resort?