London Bridge Ghost Tour for Two - Key InfoVoucher Validation Your voucher is valid until 01 Jul 20 You must validate book and use your voucher within the voucher expiry date.Duration: The experience will last approximately 1 hours.Group Size: This voucher is for two people there will be other people taking part in the tour.Weather Dependent: NoSpectators: Unfortunately this experience is not suitable for spectators.Restrictions and Considerations: You will need some level of fitness as this experience involves walking.The minimum age is 8 years old although under 16s need to be accompanied by an adult.Requirements: There are no qualifications required for this experience.Availability: This experience is available on Friday evenings that fall on a 13th and most Saturday evenings throughout the year.