[BenMcr]

Yes you can choose an install date, and book it up to two months away from the move date. However, you can only arrange it if the place you are moving to either doesn't have active cable services, or the account at the new address has scheduled for disconnection. Otherwise, they have to arrange that first.

If the cable points are all where you want them already, and you have the equipment from the previous address (and as long as you are not moving networks), then you should be able to do the moving house as a self install, which can be arranged at shorter notice and gives more options for activation dates than getting a Install Engineer to do it