They should be running Santa Specials on Decmber 23rd - check out
www.nvr.org.uk. The loco roster shows NSB 21c class 2-6-0 No.377 'King Haakon' (on loan from Bressingham), Hudswell Clarke 0-6-0T No.1 'Thomas' & BR class 14 0-6-0DH No.D9520 are scheduled to be working that day.
Tony