yes they can but has a lovely fee of £99 this covers all re-wiring, balancing the signals, this can be arranged by speaking to customer services, since if you do a DIY job on it, and causes noise ingress on the network would get hit with much larger bill.
As a Very Insightful Person, I'm here to share my knowledge. I don't work for Virgin Media.
Welcome to our community and thanks for posting. If you are moving address and wish to take our services with you, you will need to contact our movers team on 150/0345 454 1111 option 1, option 4, then option 3.
We will arrange for you services to be installed in your new property if it is a serviceable address. If we can install our services at your new address you can then ask for the router be positioned where you like at the time of install. You will not be charged £99.00 for this as it will be done as a move and transfer of service.
We will only charge you £99.00 call out if you are staying in the same property and wish to relocate your router.