These postcodes below all connect to cabinet 48, with 100% of those lines from the postcode going to the cab.
PE344DG
PE344DQ
PE344AD
PE344DP
PE344DL
PE344XJ
PE344AE
PE344AB
PE344AG
PE344AH
PE344AQ
PE344DN
PE344DF
PE344DE
PE344DJ
These 4 postcodes are also connected to cab 48 but only have a % of their lines connected to the cab
PE344AA 44%
PE344DH 50%
PE344EA 65%
PE344AF 71%
If you count the number of properties will get a idea of the numbers as only OR would likely know the amount of lines connected to a cab.
If you can get most residents to register their interest on the OR interest form
http://www.superfast-openreach.co.uk/expression-gen....
This is the Norfolk Broaband site for their BDUK funds, would also suggest registering on their site and contacting them.
http://sayyestobroadband.co.uk/