Originally Posted by
Epinz300
Any data points on this? Is it usually just the cash upgrade or would we also be liable for the taxes and fees along with it?
There are tons of data points in the dedicated thread over in the BA forum, I'd take a look. The upgrades are typically quoted as one price that is inclusive of any extra taxes and fees.
https://www.flyertalk.com/forum/brit...ispreloading=1