This is the link to the Hallowe'en special on the 31st October at 6.30pm, but they do have a tour every month these are dates I found on the event pages, 13/11, 11/12, 15/1 and 19/2.
http://www.brooklandsmuseum.com/index.php?/events/details/torchlight-tour-halloween-special1/Thursday, October 31, 2013
Join us for a behind-the-scenes tour round the Museum after dark on Hallowe’en. Your guide will show you the darker side of the Museum and unearth some of its eerie past by torchlight!
Adult tickets for this Hallowe’en Special are £25 and include a 2 course meal, with tea or coffee (a small bottle of wine may be purchased for an extra £3.95). Tickets for children are £20 (12 – 16 yrs) and include a main meal and a dessert. BTM and their guests are £22 each, BTM children(12-16yrs) are £18.
Dinner is at 6:30pm, the tour commences at 8pm and finishes at approximately 10pm. Tickets MUST be booked in advance using the contact details below.
Please wear sensible shoes, warm clothing and bring your own torch.