West End Theatre and Afternoon Tea - 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 show usually lasts around three hours but this varies depending on the one you choose.Group Size: This experience is for two people to enjoy.Weather Dependent: NoRestrictions and Considerations: Due to upper circle allocation these experiences may not be suitable for wheelchair users.Under 16's must be accompanied by an adult. Under 5s are not permitted.Availability: This experience is available on selected weekday dates throughout the year all school public and bank holidays (Christmas/Easter) and the summer period are excluded.