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 I receive a discount when booking online? How do I use the National Rail Days Out Guide 2 for 1 offer? Can I bring a picnic?