Because it is a ticket booked by the governments travel agency, rules is rules not allowed anything other than economy because of dept spending policy even though they've paid over £2k for the ticket.

No Globaliser it is upgradable that was confirmed by BA last week but there seemed to be a restriction that until T-24 I am not permitted to make any changes. Stupid, it was my money not the good old govt but heyho....

I through personal preference had really hoped to pay to upgrade to PE then Avios to business. That was the ideal, second option was Avios to PE