Hi wwtp1313,
A warm welcome and thanks for posting on our community forums. Apologies that your message was not responded to sooner.
As you too have advised it may not be possible to have a total cordless system, we may have to arrange for an engineer to attend to make some wiring changes for you also.
Due to this, I will pop you over a private message to take some details, please click on the purple envelope to accept the chat.
Kind regards Jodi.