Welcome to the Community!
I've located your account using your Community details and can see that you've been in touch with our Provisioning team.
Whilst we successfully install thousands of NBN services each week we would like to sincerely apologise that this was not your experience.
NBN Co has informed that the reason for delay with your NBN install is an issue with NBN Co who wholesales the service to all providers like TPG.
Specifically NBN co has a manpower and resourcing issue.
We are disappointed with this situation and our management team has escalated the reschedule issue highest levels of management within NBN Co.
As discussed with our Provisioning team, new install date is on Thursday, 31 January 2019, between 8:00 AM - 12:00 PM.
Should you need further assistance, please let us know.