I think you will have to wait and see, you can always post some photos on this thread.
What broadband speed have BT said you are likely to get?
If its an old converted industrial premises, you may end up on the end of an old EO (Exchange Only) cable
Used the ADSL checker and it says between 30 and 50mb which is fine for me. I currently get 75mb down 20mb up
the premesis is right next to the exchange