Voucher is valid from Sat 1 Nov 2025 until Sat 27 Jun 2026, on set Fri - Sat at 3pm or 7pm; subject to availability. Dates of tours can be viewed here.
Excludes Sun - Thu, 1-31 Dec 2025 & 1-9 Jan 2026.
Voucher must be booked by Fri 12 Jun 2026 (we don’t want you to miss out!).
Email bookings only.
Once booked with venue, voucher is non-refundable.
Multiple voucher purchases permitted.
Over 18s only.
Max 15 people per tour.
Duration approx. 1 - 1.5hrs.
Wheelchair access available.
A small service fee will be applied to your order, you'll see the exact amount at checkout.
Advanced booking required or risk forfeiting your voucher.
The venue may restrict the number of itison bookings on each day so please book early if you want a specific date.
The beginning and end period of a voucher’s validity is always the busiest. We advise members to book well in advance to avoid disappointment.
You can use your paperless voucher from your itison account on any mobile device. Printed vouchers are also accepted.
Voucher is not exchangeable for cash or valid with any other offers.