Could be a week before VM answer here, I would see your developer as they appear to have installed your home in partnership with VM in the first place and get them to chase VM to get VM or themselves to complete and sign you up as a customer.
I've read in these cases you the full package with a 3 month trial, don't miss out if that available to you think it comes from VM via the developer you need to check.
VM 50 Mps Broadband and anytime phone.