Hey there ndrew,
Thanks for posting and a big welcome to the community
Sorry to hear about the problems you're having with your wireless connection, I know this is inconvenient.
Have you tried changing your operating wireless channel yet? If not we've got a help article - Changing the Virgin Media router's wireless channel / frequency that'll show you how to log into your Hub and make the changes.
Let me know if this helps,
Tech fan? Have you read our Digital life blog yet? Check it out