Hi ConnorM,
Thank you for your post and welcome to the forums.
I am very sorry to hear about what has happened here. When did this happen? Are you able to upload any photos of what's happened and the manhole so I can get this raised for you?
Cheers.
Ryan_N - Forum Team - https://community.virginmedia.com/t5/custom/page/page-id/WelcomeGoodFolk