Knowledgebase said:Standard Class Anytime Single/Return tickets
Customers travelling on Anytime Single or Return tickets on a Saturday, Sunday or Bank Holiday can upgrade to First Class accommodation on Virgin Trains West Coast services and receive the full complimentary on-board service offer free of charge. This includes all Railcard and Privilege discounted Anytime tickets.
NRE said:On weekends and Bank Holidays, upgrades to First Class on Virgin Trains is free of charge if holding a Standard Class Anytime ticket by approaching the Train Manager.