The amount you should expect VM to pay out for delayed installation, total loss of service, and missed engineer appointments has just gone up.
See https://www.ofcom.org.uk/phones-telecoms-and-internet/advice-for-consumers/costs-and-billing/automat...
I'm not a Very Insightful Person (just a little bit, sometimes). I don't work for Virgin Media (but then nor do any of the offshore customer service agents).