What is the fee for donations made in GBP via a CAF account? Emily James April 16, 2019 17:39 Updated Follow Donations made in Great British Pounds (GBP) via a CAF account benefit from a special 6% pre-negotiated rate. Related articles Is my GBP donation gift aid eligible when I give through Impact Guru? What is the fee on workplace donations? What is Gift Aid? What if I raise more funds than my goal? What are the methods of payment? Comments 0 comments Please sign in to leave a comment.