No one should be 'cancelling' your broadband unlimited, it should be a 'change subscription' on your account and the unlimited should continue until your fibre goes active.
If you have a hub 2.0 (the black one) then you don't need a new router and no engineer will come to the house, only to the cabinet. When is your activation date?
If you have a hub 2.0 (the black one) then you don't need a new router and no engineer will come to the house, only to the cabinet. When is your activation date?

Oh and it's at £10 instead of £20. And the guy on the phone said to expect 31mb (not sure why) but this email says our line will handle the full 40mb.