I have looked to see if I can upgrade my fibre, but dont have any options other than the one i am currently on.
Offering 21Mb - 27Mb
But when I goto uswitch I see BT offering
BT Infinity Fibre 2 Unlimited Broadband & Calls
as up to 76Mb.
Am I missing something?
Fixed! Go to the fix.
Yes, of course you are missing something!
Much will depend on how far you are from the exchange if you want BTW provided services - put your phone number/ post code into dsl checker it will tell you the max speeds you can expect via BTW.
Virgin may be able to provide higher speeds, if service is available..