@Rosemary22
Typically because the personnel required to do the work associated with activation (particularly FTTP installation) aren't available.
Putting the address into the BT Wholesale Availability Checker should indicate which provisioning type is applicable.
https://www.broadbandchecker.btwholesale.com/#/ADSL/AddressHome
It's the table and the two text lines below it which are most useful.
Remove any personal information (such as the address itself) if you post an image.
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Sky Glass 55" (on ethernet) & two Stream Pucks (one ethernet / one WiFi)
BT Halo 3+ Ultrafast FTTP (500Mbs), BT Smart Hub 2
