Once I ask Sky to terminate my broadband how long will it take for the service to end?

[A.Idy]

Once I ask Sky to terminate my broadband how long will it take for the service to end?
Also, will the BT telephone line be kept in place so the next tenant just needs to reconnect via their chosen provider to get the phone line up and running.  I live in a rented flat.

[daveNOS]

@A.Idy Once you cancel it usually takes 10 working days for the service to be terminated, the line itself will remain in place as the termination is done remotely.