Expires 4 months after purchase. Limit 1 per 2 or 4 people, may buy 5 additional as gifts. Mandatory booking required at least 24 hours in advance by phone at 0207 405 2232, must e-mail voucher to confirm booking. Present printed voucher on arrival. 48-hour cancellation policy. Valid only for option purchased. Under 18s must be accompanied by an adult. Max group size 8 people. Excludes bank holidays and special days like Mother's Day or Valentine's Day. Valid only in evenings, not valid for lunch bookings. Discretionary 10% service charge will be added to the final bill.